In the 1870 US Census, in the city of San Francisco, in the census enumerated on July 26, 1870, is Ransom Springer, age 37, born in Maine, works in lumber yard, with wife Mary, age 32; daughter Frances, age 6; Annie, age 5, and son Lewellyn, age 2. Annie was born in California while Frances was born in Maine, so Ransom must have moved to San Francisco about 1865.