Sarah Adelaide Crossman was born on March 10, 1857, in Sutton, Massachusetts, to Ferdinand and Adalaide Crossman. Her father was a farmer who owned $2,000 of real estate and $200 of personal property by 1860. Her father served in the Union army and died at Andersonville Prison in August 1865. Her mother married Frederick P. Burr on June 12, 1866, and Burr helped to raise her. They lived in Sutton.
She married George E. Libbey on December 31, 1874, and they had at least three children: Grace, born around 1877; Alice, born around 1882; and Robert, born around 1890. They lived in Brooklyn, New York, and her husband worked as a builder. They moved to Hempstead, New York, in the early 1900s. Her husband died on January 2, 1911, and by 1920, she was living in her daughter Grace’s household in Winchester, Connecticut. She died in Torrington, Connecticut, on November 30, 1930.