In the 1850 US Census for Southeast, Putnam County, New York the family of Eli C. Barnum was enumerated as follows:
Dwelling #22; Family #22
Eli C. Barnum, 55, M, Farmer, Real property $10,000, b. New York
Maria Barnum wf, 52, F, b. New York
Patterson M. Barnum son, 25, M, Farmer, b. New York, Attended school within the year
Thoron C. Barnum son, 12, M, b. New York, Attended school within the year
Thomas Barnum son, 4, M, b. New York, Attended school within the year
Isabelle Bigom, 18, F, b. New York
In Putnam County, New York, 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.
Eli's gravestone inscription reads: "Eli C. Barnum. Died April 6, 1871. Aged 75 Years 9 Mo. & 24 Days."