Best Genealogy Sites to Search Records for O'Reilly Surname / Last Name

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

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Top Genealogy Sources for Records for O'Reilly Surname / Last Name

We’ve compiled data from YourRoots Map to determine which genealogy sites and sources are most frequently used to research the “O'Reilly” 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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Where to Search Records for O'Reilly 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 O'Reilly Surname / Last name

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1920 United States Federal Census
1910 United States Federal Census
New York, U.S., Arriving Passenger and Crew Lists (including Castle Garden and Ellis Island), 1820-1957
U.S., Newspapers.com™ Obituary Index, 1800s-current
1900 United States Federal Census
U.S., Find a Grave® Index, 1600s-Current
Web: Michigan, Find A Grave Index, 1805-2012
1880 United States Federal Census
1930 United States Federal Census
Ireland, Civil Registration Deaths Index, 1864-1958
U.S., Naturalization Record Indexes, 1791-1992 (Indexed in World Archives Project)
Missouri, U.S., Birth Registers, 1847-2003
Passenger Ships and Images
Ireland, Civil Registration Marriages Index, 1845-1958