In several sources his given name is spelled as Phillip (with a double "l"). He was a deacon of the Catskill Baptist Church from 1804 to 1844.
In the 1850 US Census for Catskill, Greene County, New York the family of Philip Barnum was enumerated as follows:
Dwelling #202; Family #220
Phillip Barnum, 51, M, Hotel, Real property $2,000, b. Connecticut
Sally Barnum, 51, F, b. Connecticut
Martin Barnum, 25, M, b. Connecticut
Mary Barnum, 22, F, b. Connecticut
Elizabeth Barnum, 16, F, b. Connecticut