 Although Williamson was not a good singer, his talent for comedy carried him.In 1871, Williamson was engaged as leading comedian at the California Theatre, in San Francisco, where he met comedian Margaret Virginia Sullivan (known as Maggie Moore) in 1872, whom he married at St. Mary's Cathedral on February 2, 1873.Later that month, they starred together in a comedy called "Struck Oil" in Salt Lake City, Utah.