Genealogy

Ancestry Library
A genealogy research tool with over 1.5 billion names in over 4,000 databases, including US Census, birth and death records, military records, and much more.  Ancestry has temporarily made access available to library cardholders working remotely during the COVID-19 closure. 
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San Mateo Library Card Required
This means you must hold a San Mateo library card in order to access this information.
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Only Accessible at a Library
This means the information is only available through a computer at one of the San Mateo libraries. You will not be able to access this information from home/work.
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Any PLS Library Card Accepted
This means you must hold ANY Peninsula Library System library card in order to access this information.
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No Library Card Required
This means the information is open to the public. You do not need a library card nor do you need to be at a library.