Thomas Magee was born in Belfast, Northern Ireland and came to California in 1860.
Having experience as a printer, and later in newspaper reporting work in San Francisco, he eventually acquired a knowledge
of real estate, and by 1868 was editing the Real Estate Circular. By the turn of the century, Thomas Magee & Sons was considered
one of the most reliable and experienced real estate firms in San Francisco. The last two Continuations of the abstract were
probably compiled at the request of Thomas Magee's heirs; Magee had purchased property known as City Slip lots; a city slip
was a public dock. John S. Hittell describes the history and litigation surrounding these lots in his History of the City
of San Francisco (1878). Francois Adolphe Rouleau, originally of the firm Parker & Rouleau, was a searcher of records, working
until his death in 1893. Rouleau was succeeded by his son, O. A. Rouleau. The firm merged with Simpson and Millar in 1901.