Northumberland Genealogy (in Coos County, NH)
USA (1,403,636) > New Hampshire (12,247) > Coos County (582) > Northumberland (36)
NOTE: Additional records that apply to Northumberland are also found through the Coos County and New Hampshire pages.
Northumberland Birth Records
New Hampshire Birth Index, 1659-1900 (selections) Ancestry 
New Hampshire Births and Christenings Index, 1714-1904 (selections) Ancestry
New Hampshire, Birth Records, 1631-present New Hampshire Division of Vital Records Administration
Vital records 1870-1947 FamilySearch Library
Northumberland Cemetery Records
Gravestones of Guildhall, Vermont and Northumberland, New Hampshire WorldCat
Gravestones of Guildhall, Vermont, and Northumberland, New Hampshire FamilySearch Library
Merriam-Blake Find a Grave
New Hampshire Death and Burial Records Index, 1654-1949 (incomplete) Ancestry
Northumberland Cemetery Find a Grave
Northumberland Census Records
Federal Census of 1940, Northumberland, New Hampshire LDS Genealogy
U.S. Federal Census 1790-1950 MyHeritage
U.S. Federal Census 1790-1950 Ancestry
United States Federal Census, 1790-1950 Family Search
Northumberland Church Records
New Hampshire Births and Christenings Index, 1714-1904 (selections) Ancestry
Northumberland City Directories
New Hampshire City Directories (includes Northumberland (Groveton) 1928) Ancestry
New Hampshire City Directories (includes Northumberland 1932) Ancestry
North country (New Hampshire) directories FamilySearch Library
Northumberland City Directory 1949 MyHeritage
Northumberland Death Records
New Hampshire Death Records, 1650-1969 Ancestry
New Hampshire Death and Burial Records Index, 1654-1949 (incomplete) Ancestry
New Hampshire Death and Disinterment Records, 1754-1947 (incomplete) Ancestry
New Hampshire, Death Records, 1654-present New Hampshire Division of Vital Records Administration
United States Obituary Index from Online Sources MyHeritage
Vital records 1870-1947 FamilySearch Library
Northumberland Histories and Genealogies
FamilySearch Family Tree MyHeritage
MyHeritage Family Trees MyHeritage
Northumberland Immigration Records
New Hampshire, State and Federal Naturalization Records, 1832-1945 Ancestry
Northumberland Marriage Records
1637-1947 New Hampshire Marriages (incomplete) MyHeritage
New Hampshire Marriage Records Index, 1637-1947 (incomplete) Ancestry
New Hampshire Marriage Records, 1700-1971 Ancestry
New Hampshire, Marriage Records, 1652-present New Hampshire Division of Vital Records Administration
Vital records 1870-1947 FamilySearch Library
Northumberland Miscellaneous Records
Annual report of the municipal officers of the Town of Northumberland, New Hampshire, for the fiscal year ending, 1943 LDS Genealogy
Annual report of the municipal officers of the Town of Northumberland, New Hampshire, for the fiscal year ending, 1943 Internet Archive
Northumberland Newspapers and Obituaries
United States Obituary Index from Online Sources MyHeritage
Northumberland Probate Records
New Hampshire Wills and Probate Records, 1643-1982 Ancestry
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