Northumberland Genealogy (in Coos County, NH)
USA (1,379,301) > New Hampshire (12,330) > Coos County (589) > Northumberland (33)
NOTE: Additional records that apply to Northumberland are also found through the Coos County and New Hampshire pages.
Northumberland Birth Records
1659-1900 New Hampshire Birth Index (selections) Ancestry 
1714-1904 New Hampshire Births and Christenings Index (selections) Ancestry
New Hampshire, Birth Records, 1631-present New Hampshire Division of Vital Records Administration
Vital records 1870-1947 FamilySearch Library
Northumberland Cemetery Records
1654-1949 New Hampshire Death and Burial Records Index (incomplete) Ancestry
Gravestones of Guildhall, Vermont and Northumberland, New Hampshire WorldCat
Gravestones of Guildhall, Vermont, and Northumberland, New Hampshire FamilySearch Library
Merriam-Blake Find a Grave
Northumberland Cemetery Find a Grave
Northumberland Census Records
Federal Census of 1940, Northumberland, New Hampshire LDS Genealogy
U.S. Federal Census 1790-1950 Ancestry
U.S. Federal Census 1790-1950 MyHeritage
United States Federal Census, 1790-1950 Family Search
Northumberland Church Records
1714-1904 New Hampshire Births and Christenings Index (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
1650-1969 New Hampshire Death Records Ancestry
1654-1949 New Hampshire Death and Burial Records Index (incomplete) Ancestry
1754-1947 New Hampshire Death and Disinterment Records (incomplete) Ancestry
New Hampshire, Death Records, 1654-present New Hampshire Division of Vital Records Administration
Vital records 1870-1947 FamilySearch Library
Northumberland Immigration Records
Naturalization records, 1888-1900; index to naturalization, 1886-1930 FamilySearch Library
New Hampshire, State and Federal Naturalization Records, 1832-1945 Ancestry
Northumberland Land Records
Land records, 1772-1902; indexes to land records, 1772-1900 FamilySearch Library
Northumberland Marriage Records
1637-1947 New Hampshire Marriage Records Index (incomplete) Ancestry
1700-1971 New Hampshire Marriage Records 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 Probate Records
1643-1982 New Hampshire Wills and Probate Records Ancestry
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