Kathlyn Williams was born Kathleen Mabel Williams on May 31, 1879 in Butte, Montana, and the only child born to Joseph Edwin "Frank" Williams, a boarding house proprietor, and Mary C. Boe (1846–1908) of Welsh and Norwegian descent. Many biographies state her birth year as 1888; however, she is listed on the 1880 United States Census as being a year old. Williams displayed an early interest in becoming an actress in her youth which lead her to become a member of a community thespian group. She also joined the Woman's Relief Corps that allowed h…