CHURCHILL FAMILY IN AMERICA has a (CFA#446) Almander CHURCHILL (Nathaniel6, Joseph5, Thomas4, Barnabas3, Joseph2, John1) who has a son Frank A. (his third child) who would have been born after his next older sister Carrie H. who was born 31 March 1858.
This Frank A. is listed as CFA#911 but there is no further information in CFA about about him. He had the older sister Carrie, a younger brother Fred S. and then siblings James Louis, Blanche C. and a second James Louis who all died in infancy.
I mention the siblings in case their given names show up in you records.Sorry, don't know if this would be the Frank you seek.But in case he is your Frank he belonged to what are known as the American Plymouth (Colony) CHURCHILLS.Their earliest ancestor John1 shows up in American Plymouth Colony Records in 1643.This John was from Rockbeare Parish in Devon England - the Rockbeare CHURCHILLS.Their line dates from Normandy in the time before the Conquest.