- Born October 3, 1873 in Omaha, Douglas County, Nebraska.
- Parents were ISAAC NEWTON WHITEHORN and CAROLINE PINKNEY BELLOWS.
- Married LILA DINWIDDIE on January 1, 1906. Lila was born August 10, 1877 in Canada; and died April 18, 1969 in Culver City, Los Angeles County, California.
- Died July 23, 1949 in Vancouver, British Columbia, Canada.
- MABEL DOROTHY WHITEHORN, born May 10, 1910 in Canada; died February 12, 1976 in Vancouver, British Columbia, Canada.