| Event Type | Date | Place | Individual | Documents |
| Birth | 9 January 1820 | Readsboro, Vt. | Horatio Nelson HICKS |
| Death | 10 January 1820 | Halifax, Vt. | ELIZABETH |
| Death | 21 January 1820 | Halifax, Vt. | Susanna CROSIER |
| Death | 23 January 1820 | Jamaica, Vt. | John WATSON |
| Birth | 29 January 1820 | Gilsum, N.H. | Lydia DAVIS |
| Birth | 2 February 1820 | Searsburg, Vt. | Knowlton Josiah WILSON |
| Birth | 2 February 1820 | ? | Knowlton Josiah WILSON |
| Birth | 2 February 1820 | Canandaigua, N.Y. | Owen Russell Loomis CROSIER |
| Marriage | 3 February 1820 | Perry Twp., Ohio | Abram GARFIELD with Eliza BALLOU |
| Birth | 7 February 1820 | ? | John STOW |
| Birth | 8 February 1820 | ? | William Tecumseh SHERMAN |
| Birth | 9 February 1820 | Stephentown, N.Y. | Katherine Elvira CRANSTON |
| Marriage | 10 February 1820 | ? | Jonathan POWERS with Elizabeth DALY |
| Birth | 15 February 1820 | Adams, Ma. | Susan B. ANTHONY |
| Marriage | 16 February 1820 | ? | William Graves WHITNEY with Lydia MARCHANT |
| Birth | 19 February 1820 | Ludlow, Ma. | Susan HANNUM |
| Birth | 22 February 1820 | Ohio | Elias Lyde ATER |
| Birth | 24 February 1820 | ? | Willis B. ANDREWS |
| Birth | 3 March 1820 | Royalston, Ma. | Silas FOSTER |
| Birth | 13 March 1820 | Peru, Ma. | William CROSIER |
| Death | 15 March 1820 | Mantua, Oh. | Lydia ALCOTT |
| Birth | 18 March 1820 | Halifax, Vt. | Elliot GALLUP |
| Birth | 18 March 1820 | Vt. | Elliot GALLUP |
| Marriage | 18 March 1820 | ? | John CHAMBERLAIN with Nancy STONE |
| Birth | 19 March 1820 | Blandford, Ma. | Charles Buell NOBLE |
| Death | 19 March 1820 | Cummington, Ma. | Peter BRYANT |
| Birth | 20 March 1820 | Halifax, Vt. | Lemuel Philip WHITNEY |
| Death | 23 March 1820 | Wilmington, Vt. | Ruth HAYNES |
| Death | 26 March 1820 | ? | Elijah EASTMAN |
| Marriage | 26 March 1820 | Halifax, Vt. | Michael CRESSEY with Thankful B. WHITNEY |
| Death | 28 March 1820 | Wilmington, Vt. | Laura HAYNES |
| Marriage | 30 March 1820 | ? | David JEPSON with Huldah WELCH |
| Marriage | 30 March 1820 | Guilford, Vt. | Emery WILCOX with Sarah FRANKLIN |
| Birth | March 1820 | ? | Eugenia SHERMAN |
| Birth | 2 April 1820 | Pownal, Vt. | Daniel HALEY |
| Marriage | 2 April 1820 | Chester, Ma. | Justus BEMIS with Vashti COLE |
| Marriage | 4 April 1820 | Petersham, Ma. | Joel OAKS with Abigail PIERCE |
| Marriage | 6 April 1820 | Colrain, Ma. | Thomas STETSON with Mary Duncan MCCLELLAN |
| Birth | 6 April 1820 | ? | Daniel HAGER |
| Birth | 10 April 1820 | Halifax, Vt. | Mary Ann BROWN |
| Birth | 11 May 1820 | Massachusetts | Joseph Nelson BOSWORTH |
| Birth | 14 May 1820 | Cherry Plain, NY | John A. HARRINGTON |
| Death | 22 May 1820 | Marlborough, Ma. | Lydia MIXER |
| Birth | 23 May 1820 | Antrim, N.H. | Harriet Newell TAYLOR |
| Birth | 3 June 1820 | Chesterfield, Ma. | Elizabeth "Betsy" COLE |
| Birth | 3 June 1820 | ? | Elizabeth "Betsy" COLE |
| Birth | 6 June 1820 | Readsboro, Vt. | Elias K. CARPENTER |
| Birth | 7 June 1820 | Middlefield, Ma. | Calvin GEER |
| Birth | 9 June 1820 | Wilmington, Ma. | Betsey BASSETT |
| Marriage | 14 June 1820 | Charlemont, Ma. | Daniel Lewis DAVENPORT with Martha “Patty” BARNES |
| Birth | 15 June 1820 | ? | Clarissa Jane PURDY |
| Birth | 2 July 1820 | ? | William TABER |
| Marriage | 3 July 1820 | Colrain, Ma. | Alexander HART with Betsey HART |
| Birth | 4 July 1820 | Euclid, Oh. | William CROSIER |
| Death | 10 July 1820 | Heath, Ma. | Bernice JOHNSON |
| Birth | 14 July 1820 | ? | Louisa RAMSEY |
| Death | 17 July 1820 | ? | Mary FULLER |
| Death | 20 July 1820 | Winchendon, Ma. | John BEMIS |
| Death | 23 July 1820 | Octorara, Cecil, MD | Asa EMMONS |
| Birth | 2 August 1820 | Pownal, Vt. | Harriet C. BROWN |
| Birth | 3 August 1820 | Dover, Vt. | Elvira LEONARD |
| Birth | 17 August 1820 | Cornwall, England | John TRELEAVEN |
| Birth | 17 August 1820 | Amherst, Ma. | E. Hoyt BALL |
| Birth | 20 August 1820 | Lowell, Oh. | Edward W. SPRAGUE |
| Birth | 20 August 1820 | Petersham, Ma. | Abigail Pierce OAKS |
| Birth | 21 August 1820 | Chicopee Falls, Ma. | James Hiram BELCHER |
| Birth | 24 August 1820 | Leyden, Ma. | Ann B. MOWRY |
| Birth | 24 August 1820 | Whitingham, Vt. | James DALRYMPLE |
| Birth | 24 August 1820 | ? | James DALRYMPLE |
| Birth | 26 August 1820 | Boston, Ma. | Charles Thomas Pratt APPLETON |
| Birth | 5 September 1820 | N.Y. | Angeline V. HALL |
| Birth | 5 September 1820 | ? | Angeline V. HALL |
| Marriage | 7 September 1820 | ? | John MAXAM with Maryette DWIGHT |
| Birth | 10 September 1820 | Virginia | Julliet A. SMITH |
| Death | 12 September 1820 | Pownal, Vt. | George BROWN |
| Death | 16 September 1820 | Bolton, Ma. | Tabitha FOSKET |
| Death | 17 September 1820 | Halifax, Vt. | Elisha WORDEN |
| Marriage | 21 September 1820 | Guildford, Vt. | Hugh Wallace BABCOCK with Sarah STONE |
| Death | 22 September 1820 | Albiano, Barga, Lucca, Italy | Pietro CAPRONI |
| Marriage | 27 September 1820 | ? | John FLETCHER with Clarissa DAGGETT |
| Death | 11 October 1820 | Brimfield, Ma. | Mary HITCHCOCK |
| Birth | 20 October 1820 | Heath, Ma. | Jane Elizabeth SWAN |
| Birth | 22 October 1820 | Grafton | Elizabeth D. AMES |
| Birth | 30 October 1820 | Halifax, Vt. | Clarissa S. CARPENTER |
| Birth | October 1820 | Ma. | Rueben PARK |
| Death | October 1820 | ? | Nahum HAYNES |
| Death | 7 November 1820 | Amherst, Ma. | Ebenezer EASTMAN |
| Marriage | 8 November 1820 | Deerfield, Ma. | Elisha WELLS with Mary ALLIS |
| Marriage | 9 November 1820 | Ashfield, Ma. | Jere THATCHER with Lucretia TOWER |
| Marriage | 13 November 1820 | Winhall, Vt. | James SPRAGUE with Lucy WOOD |
| Birth | 23 November 1820 | Wilmington, Vt. | Harriet Newell ESTABROOK |
| Marriage | 23 November 1820 | Canton, Ma. | Jesse DAVENPORT with Mary FRENCH |
| Marriage | 29 November 1820 | Heath, Ma. | David (Capt.) GOULD with Sarah "Sally" GREEN |
| Birth | 5 December 1820 | ? | John JOHNSTON |
| Birth | 8 December 1820 | ? | Samuel EDSON |
| Death | 8 December 1820 | ? | Agnes CROSIER |
| Marriage | 9 December 1820 | ? | George CROSIER with Abigail CRAWFORD |
| Birth | 12 December 1820 | Guilford, Vt. | Electina ALDRICH |
| Death | 31 December 1820 | Dedham, Ma. | Betsey CHARKIN |
| Marriage | 31 December 1820 | Marlboro, Vt. | Isaac WORDEN with Orenda ADAMS |
| Birth | 1820 | ? | John BREWER |
| Birth | 1820 | Vt. | John BREWER |
| Birth | 1820 | ? | Britton CARR |
| Birth | about 1820 | Ireland | ELLEN |
| Birth | about 1820 | ? | Augustus CROSIER |
| Birth | 1820 | Ma. | Jerusha H. ENSIGN |
| Death | about 1820 | Mass. | John B. CROSIER |
| Death | 1820 | Cumberland Co., Pa. | Ann MILLIKIN |
| Birth | about 1820 | Vermont | Eunice Rice STONE |
| Birth | about 1820 | Sterling, N.Y. | Catharine Helmer RASMUSSEN |
| Birth | about 1820 | ? | Catharine Helmer RASMUSSEN |
| Birth | 1820 | ? | Elizabeth CROZIER |
| Death | about 1820 | Brattleboro, Vt. | Jemima CARPENTER |
| Birth | 1820 | Colrain, Ma. | John M. MERRIFIELD |
| Birth | 1820 | Vt. | Charles Clinton CLOUGH |
| Marriage | 1820 | ? | James MOON with Lydia WATSON |
| Birth | about 1820 | N.Y. | ISABELLA |
| Marriage | 1820 | Hebron, N.Y. | Hiram PARISH with Cyrena WHITNEY |
| Death | after 1820 | ? | John WHITNEY |
| Birth | 1820 | ? | Andrew Faren BRATTON |
| Birth | about 1820 | Vt. | Amos GREENSLIT |
| Birth | 1820 | Middletown, N.Y. | Clarissa SANFORD |
| Death | about 1820 | Tn. | Andrew CROSIER |
| Death | 1820 | Dover, Vt. | Sussanah Waite GORE |
| Death | 1820 | ? | Oliver RICE |
| Birth | 1820 | Heath, Ma. | Diana F. FARNSWORTH |
| Birth | about 1820 | Indiana | Mary Ann SEFIT |
| Birth | about 1820 | ? | Harriet DENISON |
| Birth | about 1820 | Vt. | Pauline A. WELD |
| Birth | about 1820 | Vermont | B. Luke BARNARD |
| Death | 1820 | Richmond, N.H. | Jesse BALLOU |
| Birth | 1 January 1821 | ? | Robert L. STICKLES |
| Birth | 2 January 1821 | Whitingham, Vt. | Earl Ithemar UPTON |
| Birth | 3 January 1821 | ? | Thomas CROSIER |
| Birth | 3 January 1821 | Harrison County, In. | Thomas CROSIER |
| Marriage | 8 January 1821 | ? | Asa P. MILLER with Hannah T. PIERCE |
| Death | 20 January 1821 | Attleboro, Ma. | Josiah CARPENTER |
| Birth | 21 January 1821 | Fletcher, Vt. | Julius D. SCOTT |
| Birth | 21 January 1821 | Heath, Ma. | George W. ADAMS |
| Birth | 23 January 1821 | Mexico, N.Y. | Mary WHEELER |
| Birth | 26 January 1821 | ? | Alfred A. PHELPS |
| Birth | 26 January 1821 | Monroe, Ma. | Alfred A. PHELPS |
| Birth | 4 February 1821 | Stamford, Vt. | Francis LESURE |
| Marriage | 6 February 1821 | Bennington, Vt. | Zenus King BARNEY with Polly GROVER |
| Birth | 7 February 1821 | Halifax, Vt. | Adaline WICKS |
| Birth | 9 February 1821 | Chesterfield, N.H. | George Washington NASH |
| Birth | 14 February 1821 | Marlboro, Vt. | Franklin BELLOWS |
| Birth | 19 February 1821 | Conway, Ma. | Benjamin RICE |
| Birth | 21 February 1821 | ? | Elvira TENNEY |
| Death | 1 March 1821 | Hopkinton, Merrimack, New Hampshire, USA | Giddeon GOULD |
| Death | 2 March 1821 | Springfield, Ma. | Phineas CHAPIN |
| Birth | 7 March 1821 | Va. | Nancy CHAPMAN |
| Marriage | 11 March 1821 | Halifax, Vt. | Jotham WHITNEY with Chloe JONES |
| Birth | 12 March 1821 | ? | Henry Hoyt CURTIS |
| Death | 24 March 1821 | Deerfield, Ma. | John BLACKLER |
| Birth | 25 March 1821 | Whitingham, Vt. | Nathan Marvin BEMIS |
| Birth | 28 March 1821 | Augusta County, Va. | James William PATTERSON |
| Birth | 29 March 1821 | ? | Catherine MARION |
| Death | March 1821 | ? | Rebecca WHALEY |
| Death | 5 April 1821 | Winchedon, Ma. | Walsingham BOSWORTH |
| Birth | 6 April 1821 | Guilford, Vt. | Isaac Emerson BROWN |
| Birth | 9 April 1821 | ? | Joel Sawyer STEVENS |
| Death | 14 April 1821 | ? | Marah "Mary" WHITE |
| Birth | 28 April 1821 | Germany | AUGUSTA |
| Birth | 2 May 1821 | Halifax, Vt. | Samuel CROSIER |
| Death | 12 May 1821 | ? | William NELSON |
| Birth | 19 May 1821 | Washington County, N.Y. | George W GROUSBECK |
| Birth | 26 May 1821 | Hawley, Ma. | Roswell Hall ELDRIDGE |
| Birth | 27 May 1821 | Euclid, Oh. | Harriet Melissa CROSIER |
| Death | 6 June 1821 | Bennington, Vt. | Zechariah HARWOOD |
| Birth | 7 June 1821 | Halifax, Vt. | Milo CANEDY |
| Birth | 9 June 1821 | Ma. | Abigail J. CRITTENDEN |
| Birth | 9 June 1821 | Albion, Me. | Nathaniel COPELAND |
| Marriage | June 1821 | ? | James Shiner SHIPPEE with Mary Calista ROBERTS |
| Birth | June 1821 | Va. | Andrew M. CROSIER |
| Birth | 14 July 1821 | ? | Dolly WHITNEY |
| Birth | 21 July 1821 | Nassau, N.Y. | David HOUGHTLING |
| Birth | 21 July 1821 | Nassau, N.Y. | David HOUGHTALING |
| Death | 25 July 1821 | Springfield, Ma. | Aaron COLTON |
| Birth | 25 July 1821 | Royalston, Ma. | Amos Bemis BOSWORTH |
| Birth | 30 July 1821 | Halifax, Vt. | Augusta C. CROSIER |
| Birth | 2 August 1821 | ? | Perry W ELDRED |
| Death | 2 August 1821 | Spencer, Ma. | Esther DEAN |
| Birth | 14 August 1821 | Westminster, Vt. | Mary Moriah HAZEN |
| Birth | 21 August 1821 | Stamford, Vt. | Myron Styles SHELDON |
| Death | 24 August 1821 | Shelburne, Ma. | Moses CHANDLER |
| Birth | 24 August 1821 | ? | Anson SANFORD |
| Death | 24 August 1821 | Half Moon, N.Y. | Elisha CADY |
| Death | 25 August 1821 | Killingsworth, Ct. | Submit WILCOX |
| Birth | 27 August 1821 | Heath, Ma. | Russell Franklin BENSON |
| Death | 2 September 1821 | Albiano, Barga, Lucca, Italy | Luigi CAPRONI |
| Birth | 4 September 1821 | Adams, Ma. | William W. NICHOLS |
| Birth | 5 September 1821 | ? | John FAIRMAN |
| Birth | 9 September 1821 | Seneca, N.Y. | Jefferson CROSIER |
| Birth | 12 September 1821 | Oswego, N.Y. | Lydia M. THAYER |
| Birth | 21 September 1821 | ? | Sylvia L MCNETT |
| Death | 27 September 1821 | Dublin, N.H. | Thaddeus MASON |
| Birth | 28 September 1821 | New Salem, Ma. | Cynthia RICE |
| Birth | 28 September 1821 | Halifax, Vt. | Charles Henry CROSIER |
| Marriage | 8 October 1821 | Pelham, Ma. | Moses CROSIER with Lucinda DANFORTH |
| Marriage | 9 October 1821 | ? | Joel BAILEY with Irene STAFFORD |
| Birth | 10 October 1821 | Colrain, Ma. | David Lewis DAVENPORT |
| Death | 10 October 1821 | Kingston, R.I. | James BARBER |
| Birth | 13 October 1821 | Rowe, Ma. | Emily Sarah KNOWLTON |
| Birth | 21 October 1821 | Hartland, N.Y. | George Clinton HALL |
| Marriage | 25 October 1821 | ? | Thomas BOYCE with Silvia BALLOU |
| Birth | 26 October 1821 | Albiano, Barga, Lucca, Italy | Pietro CAPRONI |
| Birth | 28 October 1821 | Mendon, Ma. | Sumner THAYER |
| Birth | 1 November 1821 | Vermilion, Oh. | Mary E. BROOKS |
| Birth | 1 November 1821 | ? | Mary E. BROOKS |
| Birth | 15 November 1821 | N.Y. | Anderson S. CROSIER |
| Birth | 18 November 1821 | Strawtown, In. | Benoni FREEL |
| Birth | 20 November 1821 | ? | Olney R. POTTER |
| Death | 21 November 1821 | Winchendon, Ma. | Abigail SANDERSON |
| Birth | 21 November 1821 | Wilmington, Vt. | Jonas HAYNES |
| Birth | 26 November 1821 | Heath, Ma. | Caroline GOULD |
| Marriage | 6 December 1821 | Becket, Ma. | Levi Rudd SNOW with Favor MESSENGER |
| Marriage | 6 December 1821 | Whitingham, Vt. | David JEWELL with Susan FAULKNER |
| Birth | 22 December 1821 | ? | Nehemiah SPRAGUE |
| Birth | 30 December 1821 | ? | Catharine Elizabeth JUSTICE |
| Birth | December 1821 | Fayston, Vt. | Elisha Aldis BRIGHAM |
| Birth | 1821 | Wilmington, Vt. | Clarisa Ann HASTINGS |
| Birth | 1821 | R.I. | Isaac COOK |
| Birth | about 1821 | ? | Emily M. WATERS |
| Birth | 1821 | ? | David CROSIER |
| Birth | 1821 | Halifax, Vt. | Mary Delight WORDEN |
| Marriage | 1821 | ? | Adam CROSIER with Amy SOUTHERLAND |
| Birth | about 1821 | Lancaster, N.H. | William PERKINS |
| Birth | about 1821 | ? | Caroline ARNOLD |
| Birth | about 1821 | ? | Freelove PLACE |
| Birth | about 1821 | Adams, Ma. | Freelove PLACE |
| Birth | 1821 | Ma. | Thomas Warren COPELAND |
| Birth | 1821 | Whately, Ma. | Elvira D DICKINSON |
| Birth | about 1821 | Vt. | William R. CORLISS |
| Birth | about 1821 | Ireland | Patrick FENNELLY |
| Death | 1821 | ? | David FOSTER |
| Birth | 1821 | ? | Laura HARRIS |
| Marriage | about 1821 | Colrain, Ma. | Paul DAVENPORT with Rachel BROWN |
| Birth | 1821 | Vermont | Eliza Emiline TURNER |
| Birth | about 1821 | Vt. | Edson Luther FULLER |
| Birth | 1821 | ? | Abigail SPRAGUE |
| Birth | about 1821 | Ostego County, NY | Mary ANN |
| Birth | about 1821 | Greenfield, Ma. | George Soloman SAGE |
| Marriage | 1821 | ? | Eber STACY with Sophia SUMNER |
| Birth | about 1821 | Stamford, Vt. | Mary Ann MILLARD |
| Birth | about 1821 | ? | Francis B. SMITH |
| Birth | 1821 | ? | Jane MAYNARD |
| Birth | 1821 | Ireland | Patrick MCCARRON |
| Birth | 1821 | ? | Catherine CROZIER |
| Birth | 1821 | ? | James Pesley ADAMS |
These pages have been generated by the software Oxy-Gen version 1.39j, on 13/06/2019. You can download it here.