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San Mateo County Libraries will close early at 5:00 PM on Monday, December 24, 2018, and will be closed Tuesday, December 25, 2018, for Christmas. Libraries will also close early at 5:00 PM on Monday, December 31, 2018, and will be closed Tuesday, January 1, 2019, for New Year’s.

Take San Mateo County Libraries on the go! Our new mobile app is now available.

A-Z Resources

Genealogy

Ancestry Library Edition Reference

Resources for genealogical and historical research, including military, court, census, birth, marriage, and death records, and more.

Only available at San Mateo County Libraries

AtoZdatabases: Search Jobs, Businesses or Mailing Lists Business Directories Reference Library Card Required.

The Premier Job Search, Reference & Mailing List Database including 30 million business & executive profiles & 220 million residents. Ideal for sales leads mailing lists, market research, employment opportunities, finding friends and relatives, and much more.

Get AtoZdatabases: Search Jobs, Businesses or Mailing Lists App in Apple Store, opens an external site

HeritageQuest Reference Library Card Required.

Resources for genealogical and historical research, including the U.S. Federal Census, Freedman’s bank records, the PERSI index, and more. Requires "29041" library card.

A-Z Resources
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