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Best Genealogy Sites to Search Records for Brennan Surname / Last Name

Learn where genealogists search family records for your "Brennan" surname & last name. Here are trusted sources for genealogy record search by YourRoots data.

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Top Genealogy Sources for Records for Brennan Surname / Last Name

We’ve compiled data from YourRoots Map to determine which genealogy sites and sources are most frequently used to research the “Brennan” surname. The list below is sorted by popularity, but remember—even lesser-known resources can be incredibly helpful. Genealogy research is personal and unique, so you never know where you might find that important record.
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Learn more about link surname / last name origin, history, and meaning on YourRoots Map


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Where to Search Records for Brennan Surname / Last name for free: FamilySearch availability analysis

Below is a comprehensive list of popular genealogy sources alogside with which one is available on FamilySearch for free.

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The full list of genealogy record sources for Brennan Surname / Last name


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1910 United States Federal Census
1930 United States Federal Census
1920 United States Federal Census
1900 United States Federal Census
U.S., Social Security Death Index, 1935-2014
1880 United States Federal Census
Kansas, U.S., State Census Collection, 1855-1925
1940 United States Federal Census
1870 United States Federal Census
U.S., World War I Draft Registration Cards, 1917-1918
1881 Scotland Census
U.S., City Directories, 1822-1995
1860 United States Federal Census
Ohio, U.S., Death Records, 1908-1932, 1938-2022
Texas, U.S., Marriage Index, 1824-2019
1901 England Census
U.S., Newspapers.com™ Obituary Index, 1800s-current
U.S., Find a Grave® Index, 1600s-Current
Texas, U.S., Divorce Index, 1968-2015
1891 England Census
U.S., Social Security Applications and Claims Index, 1936-2007
U.S., World War II Draft Cards Young Men, 1940-1947
Ohio, U.S., Rutherford B. Hayes Presidential Center Obituary Index, 1810s-2016
England & Wales, Civil Registration Birth Index, 1916-2007
Ohio, Roster of Soldiers, Sailors, and Marines in World War I, 1917-1918
California, U.S., Death Index, 1940-1997
Connecticut, U.S., Divorce Index, 1968-1997
U.S., Obituary Collection, 1930-Current
U.S., Public Records Index, 1950-1993, Volume 1
U.S., Public Records Index, 1950-1993, Volume 2
Massachusetts, U.S., Death Index, 1970-2003
Texas, U.S., Death Index, 1903-2000
U.S., Indexed County Land Ownership Maps, 1860-1918
U.S., World War II Draft Registration Cards, 1942
Australia, Birth Index, 1788-1922
Missouri, U.S., Marriage Records, 1805-2002
Texas, U.S., Birth Index, 1903-1997
Australia, Death Index, 1787-1985

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