Frank Arthur Byrne was born in Walton, Liverpool, Lancashire in 1887, the son of Peter Byrne an Agent for the Ontario Government and Sadeniette Byrne (nee Dawson). His mother was born in New York, USA. Frank was one of 10 children, 3 of which died in infancy. The family lived initially in Lancashire, before moving south.
1891 Census records Frank aged 4, living with his parents, 4 brothers and 3 sisters in Waterloo, Great Crosby, Liverpool. The family had a live in Domestic Servant.
1901 records Frank aged 14, living with his parents, brothers, Edwin 24, Ralph 12 and sister Ida 16, in Freshfield Road, Formby, Lancs.
By 1911, his father Peter Byrne had retired and the family had moved south and were living at 46 Fortismere Avenue, Muswell Hill, North London. brother Edwin, sisters Florence and Ida had moved with their parents. No 1911 Census record for Frank was found.