| Event Type | Date | Place | Individual | Documents |
| Birth | 1 January 1880 | ? | Mabel Etta WISWALL |
| Death | 5 January 1880 | Heath, Ma. | Mary Whiting DAVENPORT |
| Birth | 5 January 1880 | Richmond, N.H. | Vera Victoria HOWARD |
| Birth | 5 January 1880 | ? | Allen L. APPLETON |
| Marriage | 6 January 1880 | Nashua, N.H. | Dell Freddie HILL with Johanna O'HERN |
| Birth | 8 January 1880 | Bennington, Vt. | Ruby Ella RUDD |
| Birth | 8 January 1880 | Ct. | Edward Halliday CROZIER |
| Birth | 9 January 1880 | Pittsfield, Berkshire, Massachusetts, USA | George Allen CROSIER |
| Birth | 9 January 1880 | Susquehanna County, Pa. | James G BRUNDAGE |
| Birth | 10 January 1880 | Stamford, Vt. | Charles E SAMPSON |
| Birth | 10 January 1880 | Brattleboro, Vt. | George Edward REED |
| Birth | 10 January 1880 | N.Y. | Walter Stanilaus CAREY |
| Death | 14 January 1880 | Vt. | Richmond WORDEN |
| Birth | 14 January 1880 | Conway, Ma. | John Edgar SAKER |
| Birth | 20 January 1880 | Forestville, N.Y. | Clarence Henry DAMON |
| Death | 22 January 1880 | ? | Guy W. FULLER |
| Death | 28 January 1880 | North Adams, Ma. | Loren DAVIS |
| Birth | 29 January 1880 | Jacksonvile, Vt. | Blanche R. BARKER |
| Birth | 2 February 1880 | Dover, N.H. | John Henry MCKONE |
| Birth | 2 February 1880 | Topsham or Bradford or Groton, Vermont | George Albert GRISWOLD |
| Birth | 4 February 1880 | Prince Edward Island, Canada | James MCCARRON |
| Marriage | 6 February 1880 | Wilmington, Vt. | Carley Clayton WINCHESTER with Della M. MILLER |
| Death | 6 February 1880 | Guilford, Vt. | Hiram GORE |
| Marriage | 12 February 1880 | Pittsfield, Berkshire, Massachusetts, USA | Frank J. CLARK with Jennie I. CROSIER |
| Birth | 14 February 1880 | Platte County, Ne. | Herbert LeRoy CROSIER |
| Birth | 18 February 1880 | ? | Sherman Joshua BEEMAN |
| Birth | 21 February 1880 | East Dover, Vt. | Clifford Leslie GOULD |
| Death | 21 February 1880 | Richmond, N.H. | Leonard BALLOU |
| Death | 25 February 1880 | Williamstown, Ma. | Jefferson MOORE |
| Death | 25 February 1880 | ? | Tillinghast CARPENTER |
| Birth | 27 February 1880 | Halifax, Vt. | Unknown CROSIER |
| Birth | 28 February 1880 | Halifax, Vt. | Son CROSIER |
| Death | February 1880 | ? | Loammi RICE |
| Marriage | 3 March 1880 | North Adams, Ma. | Charles H. RHEINIUS with Helen A. CROSIER |
| Marriage | 5 March 1880 | Greenfield, Ma. | Sanford WILLIAMS with Harriet E. NEWTON |
| Death | 5 March 1880 | Halifax, Vt. | Unknown CROSIER |
| Death | 5 March 1880 | Halifax, Vt. | Son CROSIER |
| Birth | 6 March 1880 | Townshend, Vt. | Ruby Alice STEBBINS |
| Birth | 11 March 1880 | Montague, Ma. | Fannie Mae SQUIRES |
| Death | 15 March 1880 | Brandon, Vt. | Edwin SHAYS |
| Death | 15 March 1880 | Fletcher, Vt. | Alexander CROSIER |
| Birth | 16 March 1880 | Pittsfield, Berkshire, Massachusetts, USA | Bessie Allen CROSIER |
| Death | 17 March 1880 | Halifax, Vt. | Lois GROVER |
| Death | 17 March 1880 | Williamstown, Ma. | Elijah HEWES |
| Birth | 17 March 1880 | Stamford, Vt. | Ernest Welds CROSIER |
| Birth | 19 March 1880 | N.Y. | Crosier Martin STEWART |
| Birth | 19 March 1880 | Searsburg, Vt. | Erma Josephine BELLOWS |
| Death | 20 March 1880 | ? | Mehitable Harriet BOSWORTH |
| Birth | 22 March 1880 | St. Paul, MN | Arthur Conrad CUMBEY |
| Death | 22 March 1880 | ? | Thomas CROZIER |
| Birth | 23 March 1880 | Mass. | Albert G. TUTTLE |
| Death | 23 March 1880 | Deleware County, Ohio | Peter V. SEARLES |
| Death | 25 March 1880 | Wilmington, Vt. | Samuel E. HAYNES |
| Birth | 25 March 1880 | ? | Erma Leona MORSE |
| Marriage | 25 March 1880 | Halifax, Vt. | Joseph A. BRADLEY with Stella Florilla THATCHER |
| Death | 29 March 1880 | ? | Jabez Franklin WILCOX |
| Birth | 29 March 1880 | Roseville, Warren Co, IL | Charles Halbert CROSIER |
| Death | 30 March 1880 | Colrain, Ma. | David B. THOMPSON |
| Birth | 30 March 1880 | Johnsburg, N.H. | Mary Augusta PUTNAM |
| Death | 31 March 1880 | Colrain, Ma. | David B. THOMPSON |
| Birth | March 1880 | Crozier Ranch, Az. | Launee Ann Ida CROZIER |
| Death | 3 April 1880 | ? | Lucy READ |
| Marriage | 3 April 1880 | Susquehanna Depot, Pa. | Francis (Frank) NICHOLSON with Gertrude E. MAPLES |
| Birth | 4 April 1880 | Florida, Ma. | Jessie Arthur GIFFORD |
| Marriage | 7 April 1880 | Marion County, Oregon | Ira B. CARTER with Susan J. THOMAS |
| Birth | 8 April 1880 | Oneonta, New York | Bertha BEDFORD |
| Death | 9 April 1880 | Jacksonville, Vt. | Harriet S CROSIER |
| Birth | 12 April 1880 | Colrain, Ma. | Elizabeth BLAGBROUGH |
| Death | 15 April 1880 | ? | Julliet A. SMITH |
| Birth | 15 April 1880 | ? | Eunice Estella ROBERTS |
| Birth | 15 April 1880 | W.V. | Charles Edward CROSIER |
| Marriage | 19 April 1880 | Whitingham, Vt. | Frederick Darius DUNNELL with Jane "Jennie" R. NEDD |
| Marriage | 20 April 1880 | Bennington, Vt. | Edwin PAIGE with Carrie N. GREENSLET |
| Marriage | 20 April 1880 | Bennington, Vt. | Unknown CLARK with Carrie N. GREENSLET |
| Birth | 20 April 1880 | Ashfield, Ma. | Ernest Samuel BARNES |
| Marriage | 25 April 1880 | Wilmington, Vt. | Apollos Augustus CORBETT with Millie Jane CROSIER |
| Birth | 28 April 1880 | Searsburg, Vt. | Leon Benjamin SHIPPEE |
| Death | 29 April 1880 | Williamstown, Ma. | Alexander Stewart STARKWEATHER |
| Death | 5 May 1880 | WI | Sarah S CROSIER |
| Birth | 10 May 1880 | Clarksburg, Berkshire, Ma. | Martha Jane DAVIS |
| Death | 13 May 1880 | Whitingham, Vt. | Fanny SHIPPEE |
| Death | 13 May 1880 | ? | Caroline A. LOVEJOY |
| Marriage | 24 May 1880 | Oh. | Clemon Hastings SNOW with Mary Malvina SWEET |
| Death | 26 May 1880 | Medford, Ma. | Asenath SUMNER |
| Birth | 29 May 1880 | Shelburne Falls, Ma. | Mabel RUSSELL |
| Birth | 30 May 1880 | Castine, Maine | Anna Frances PERKINS |
| Death | 31 May 1880 | ? | Samuel WHITMAN |
| Birth | May 1880 | Vt. | Mabelle WHITTON |
| Birth | 1 June 1880 | Spring Valley. N.Y. | George Thomas NICHOLSON |
| Birth | 1 June 1880 | ? | Katherine Eugenia HINDLEY |
| Marriage | 2 June 1880 | London, Ontario, Canada | James Haskett TENNANT with Mary Hellen CROZIER |
| Birth | 3 June 1880 | North Benton, Oh. | Jennie L. HARTZELL |
| Birth | 8 June 1880 | Albany, N.Y. | Ella BATEY |
| Marriage | 17 June 1880 | Westfield, Ma. | James A. LITTLE with Mary F. CROSIER |
| Marriage | 29 June 1880 | Hinsdale, N.H. | Dana DAVIS with Sarah A WHITE |
| Marriage | 29 June 1880 | Richland, Ohio | William F. CROSIER with Louise DUNMIRE |
| Death | 6 July 1880 | Shelburne, Ma. | Ruth FISKE |
| Birth | 6 July 1880 | N.Y. | Bessie Mae CROSIER |
| Birth | 7 July 1880 | Hawley, Pa. | Victor Stone BARTLESON |
| Death | 9 July 1880 | Marlow, N.H. | Robert Bennett ISHAM |
| Birth | 11 July 1880 | Zanesville, Oh. | Henry SPRAGUE |
| Birth | 11 July 1880 | ? | Maggie FORSHEE |
| Death | 15 July 1880 | Wi. | Rensselear TUTTLE |
| Birth | 23 July 1880 | Prince Edward Island, Canada | Mary Ada MCCARRON |
| Birth | 25 July 1880 | Vt. | Martin D. HOLMES |
| Death | 26 July 1880 | ? | Rensselear TUTTLE |
| Birth | 31 July 1880 | North Adams, Ma. | Julia LACY |
| Death | 31 July 1880 | Readsboro, Vt. | Parthinia DAVIS |
| Birth | July 1880 | N.Y. | Charles R. HAMILTON |
| Birth | 3 August 1880 | North Adams, Ma. | Clara Irene MOORE |
| Birth | 8 August 1880 | Canisteo, Steuben , N.Y. | Clifford Mark JONES |
| Birth | 11 August 1880 | Herrick Center, Pa. | Blanche Ethel KISHBANGH |
| Birth | 11 August 1880 | Brattleboro, Vt. | Carrie Inez CROSIER |
| Birth | 22 August 1880 | Charlemont, Ma. | Ellen Abigail WARNER |
| Birth | 24 August 1880 | ? | Mary Gertrude BRADLEY |
| Birth | 26 August 1880 | ? | Claude Clarence CROSIER |
| Death | 5 September 1880 | Monroe, Ma. | Gilman DAVIS |
| Death | 6 September 1880 | Colrain, Ma. | Otis Joseph DAVENPORT |
| Birth | 9 September 1880 | ? | N. Lela CROZIER |
| Birth | 13 September 1880 | Geneva, Il. | Henry Browne PEIRCE |
| Birth | 13 September 1880 | Southwick, Ma. | Nina M. GILBERT |
| Death | 16 September 1880 | Warren County, Il. | Ann BARCLAY |
| Birth | 19 September 1880 | ? | Ruby Frances CROSIER |
| Birth | 20 September 1880 | Hadley, Ma. | Mary A. HURD |
| Death | 21 September 1880 | Heath, Ma. | Joseph ADAMS |
| Birth | 22 September 1880 | Chicago, Il. | Albert Kimber DINSMORE |
| Death | 23 September 1880 | Charlemont, Ma. | Angeline JONES |
| Death | 26 September 1880 | Colrain, Ma. | James S. TENNEY |
| Birth | September 1880 | N.Y. | Burt TOBY |
| Death | 1 October 1880 | Guilford, Vt. | John CARPENTER |
| Birth | 3 October 1880 | Lawrence, Ks. | Frederica BULLENE |
| Birth | 6 October 1880 | Pittsfield, Berkshire, Massachusetts, USA | Claude Duval HINCKLEY |
| Marriage | 6 October 1880 | ? | John H. CARTER with Mary H. "Hattie" THOMAS |
| Death | 11 October 1880 | Saint Paul, Howard County, Ne. | Norman Hinsdill CROSIER |
| Birth | 12 October 1880 | Delh, Ia. | William McKay CROSIER |
| Death | 19 October 1880 | Halifax, Vt. | Alpheus WHITNEY |
| Marriage | 19 October 1880 | Cambridge, Ma. | Bruno CHICOINE with Kate E MCKINNON |
| Marriage | 21 October 1880 | ? | Charles Rufus CROSIER with Rachel Culp DIEMER |
| Marriage | 25 October 1880 | Mattapoisett, Ma. | Orsemus H. BASS with Mary A. AMES |
| Birth | 26 October 1880 | Mount Pulaski, Il. | Arabelle "Belle" MOORE |
| Birth | 26 October 1880 | Worthington, Ma. | Walter Eugene BURR |
| Birth | 29 October 1880 | Leon, Ka. | Loren Lamont BUTTS |
| Death | 29 October 1880 | ? | Elvira ADAMS |
| Death | 30 October 1880 | Wilmington, Vt. | Rev. Farnum SPRAGUE |
| Death | 30 October 1880 | Whitingham, Vt. | Rev. Farnum SPRAGUE |
| Birth | 30 October 1880 | ? | Cory Arthur GILES |
| Birth | October 1880 | N.Y. | Nellie May GUTHRIE |
| Birth | 1 November 1880 | Vermont | Florence Pearl STONE |
| Birth | 11 November 1880 | Savoy, Ma. | Lena May PIERCE |
| Death | 14 November 1880 | Charlemont, Ma. | David PHIPPS |
| Marriage | 17 November 1880 | Heath, Ma. | William H. LEE with Emma E. DAVENPORT |
| Death | 18 November 1880 | ? | Wait EASTON |
| Marriage | 22 November 1880 | Westfield, Ma. | William Francis CARSON with Effie Maria HASTINGS |
| Marriage | 25 November 1880 | Searsburg, Vt. | Harvey A. FULLER with Sarah PORTER |
| Marriage | 25 November 1880 | Wilmington, Vt. | Frank G. KNIGHT with Ada Sarah BELLOWS |
| Birth | November 1880 | Granville, N.Y. | Eva M. LINDSAY |
| Birth | November 1880 | California | Lucy M CROSHIER |
| Birth | 6 December 1880 | ? | Nellie SAGE |
| Death | 11 December 1880 | ? | Henry Ward BALL |
| Marriage | 12 December 1880 | ? | George Nathan BAKER with Flora BURRINGTON |
| Birth | 15 December 1880 | Wednesby, Staffordshire, England | Sydney CROZIER |
| Death | 16 December 1880 | Morton, Il. | William Willson CAMPBELL |
| Birth | 19 December 1880 | South Hartford, N.Y. | William Otis MARTIN |
| Birth | 27 December 1880 | Stamford, Vt. | Claude Lovine CROSIER |
| Marriage | 27 December 1880 | Searsburg, Vt. | Ernest M. SUTTON with Fannie Lucinda BELLOWS |
| Birth | 1880 | ? | William Franklin GROUNDS |
| Death | 1880 | ? | Olney Darling COOK |
| Birth | 1880 | Stephentown, New York | Lloyd R. HOUGHTLING |
| Death | after 1880 | West Brattleboro, Vt. | Patience STAFFORD |
| Death | after 1880 | ? | Maria FLEMMING |
| Birth | 1880 | ? | Ida May TATRO |
| Marriage | about 1880 | ? | Henry PATTERSON with IDA |
| Birth | about 1880 | Vt. | Jennie GIARD |
| Marriage | 1880 | ? | Ira A. SCOTT with Josephine SHEEHAN |
| Birth | about 1880 | New Ashford, Ma. | Alfred Shaw BEACH |
| Birth | 1880 | Sherburne, Vt. | Lucy Lucinda MERRIAM |
| Birth | about 1880 | ? | Unknown SUMNER |
| Birth | about 1880 | England | George STEVENSON |
| Marriage | 1880 | ? | William LEWIS with Jane A. WILLIAMS |
| Birth | about 1880 | ? | Fred Haskins SMITH |
| Marriage | 1880 | ? | James GOODELL with Betsey E WEEDEN |
| Birth | 1880 | ? | Ella Gertrude CROSIER |
| Death | after 1880 | ? | Amos WHITNEY |
| Death | before 1880 | ? | Abram DAY |
| Death | after 1880 | ? | Abner B CROSIER |
| Birth | about 1880 | Ossipee, Carroll, New Hampshire, USA | Fllorence Ethel HURN |
| Birth | about 1880 | Indiana | William H. CLINE |
| Birth | about 1880 | ? | Harry HURD |
| Marriage | 1880 | Stephentown, Rensselaer, New York, USA | Lewis Linn WHEELER with Alicia S. HUNT |
| Marriage | before 1880 | ? | William Jackson CROSIER with SARAH |
| Death | 1880 | Ararat, Susquehanna, Pa. | Emory A CROSIER |
| Birth | about 1880 | ? | Bessie M. CROSIER |
| Birth | about 1880 | Vt. | Helen E. DAVIS |
| Marriage | 1880 | ? | Franklin F. MILLER with Lydia REESE |
| Birth | 1880 | ? | Ella A. NUTT |
| Birth | 1880 | ? | Unknown CROSIER |
| Death | before 1880 | ? | William H. SABIN |
| Birth | 1880 | Ilinois | May Anne BRUEN |
| Death | before 1880 | ? | ELLEN |
| Death | 1880 | ? | Anna NICHOLS |
| Death | 1880 | ? | Julia S. CROSIER |
| Birth | about 1880 | Mancester, N.H. | Exilla BERGERON |
| Birth | about 1880 | Charlestown, N.H. | Harriett Mary HARLOW |
| Death | after 1880 | ? | Nellie E. WHITNEY |
| Birth | about 1880 | Ma. | William E. HARLOW |
| Birth | 1880 | ? | Blanche M |
| Birth | about 1880 | Pa. | Frank R. SNEDEKER |
| Birth | 1880 | Webster, Ma. | Leroy Edgar BARTLETT |
| Birth | 1880 | ? | Albert Davis CLARK |
| Death | after 1880 | ? | Eunice Rice STONE |
| Death | 1880 | Clay Center, Ks. | William Smith ARNOLD |
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