Peter MacFarlane was born on March 8, 1871 in St Clair County, Missouri, USA. He was a railroad clerk before entering the world of entertainment. MacFarlane started as a stage actor before turning to writing. He was a writer, known for F. P. 1 Doesn't Answer (1933), Molly of the Follies (1919) and Guile of Women (1920). MacFarlane was married to Florence J. with whom he had four children.