When William Orlando Larrabee was born on 14 December 1861, in Albany Township, Bradford, Pennsylvania, United States, his father, Thomas Larrabee, was 52 and his mother, Fannie Adeline Vargeson, was 42. He married Victoria Drake about 1881, in Albany Township, Bradford, Pennsylvania, United States. They were the parents of at least 1 daughter. He lived in Pennsylvania, United States in 1870 and Terry Township, Bradford, Pennsylvania, United States in 1880. He died on 12 January 1925, in Wyalusing, Bradford, Pennsylvania, United States, at the age of 63, and was buried in Camptown, Wyalusing Township, Bradford, Pennsylvania, United States.