In the 1850 US Census for Danbury, Fairfield County, Connecticut the family of Noah P. Barnum was enumerated as follows:
Dwelling #578; Family #685
Noah Barnum, 51, M, Hatter, b. Connecticut
Julia Barnum, 25, F, b. Connecticut
Phineas T. Barnum, 4, M, b. New York, Attended school within the year
Catherine A. Barnum, 8/12. F, b. New York
Ann Barnum, 52, F, b. New York
Also enumerated with this family were Charles Brown, 45; Hepsebah Brown, 40 and Daniel Brown, 15.
The Genealogical Record of the Barnum Family gives him a birth year of 1797.