In the 1850 US Census for Southeast, Putnam County, New York the family of Jonah Barnum was enumerated as follows:
Dwelling #24; Family #24
Johnson Barnum, 52, M, Doctor, Real property $4,000, b. New York
Harriet Barnum, wife, 50, F, b. New York
Durell Barnum son, 19, M, Farmer, b. New York, Attended school within the year
Marie A. daug, 15, F, b. New York, Attended school within the year
Justina Barnum daug, 12, F, b. New York, Attended school within the year
Anna G. daug, 11, F, b. New York, Attended school within the year
Johney son, 6, M, b. New York, Attended school within the year
In the Barnum Family Cemetery. In Putnam County, a little west of the De Forest Corners intersection, on Putnam Lake Road, is a bridge. Immediately west of the bridge, on the north side of the road, is a private lane which leads 250 feet north to the old cemetery.