Northumberland Genealogy (in Coos County, NH)
USA (1,380,571) > New Hampshire (12,337) > Coos County (589) > Northumberland (14)
NOTE: Additional records that apply to Northumberland are also found through the Coos County and New Hampshire pages.
Northumberland Birth Records
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 
Northumberland Cemetery Find a Grave
Northumberland Census Records
Federal Census of 1940, Northumberland, New Hampshire LDS Genealogy
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
Vital records 1870-1947 FamilySearch Library
Northumberland Marriage Records
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
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