The Dallas Public Library is the official repository for the records of the Dallas Genealogical Society. This collection is maintained by the History and Archives Division located on the 7th Floor at the J. Erik Jonnson central library.

The collection was originally donated in 1982 by Margaret Thedford, the president of the Dallas Genealogical Sociey for that year. Additions have been made to the collection at various times since that year. The material contained in the collection covers the years 1960 through 1992. Most of the collection is comprised of Minutes and Treasurers Records.