The Barnum Family, 1350-1907 mistakenly calls him John Morton Barnum.
In the 1920 US Census for District 97, Corning Ward 2, Steuben County, New York, the family of John Merton Barnum, Sr. was enumerated as follows:
Dwelling #247; Family #283 (172 E. Third Street)
Barnum, J. Merton; Head; Owns non-farm home with mortgage; Male; White; 49; Married; Able to read and write; b. Pennsylvania; Both parents b. Pennsylvania; Able to speak English; Foreman; Glass work; Salaried employee
Barnum, Dorothy M.; Wife; Female; White; 49; Married; Able to read and write; b. New York; Both parents b. New York; Able to speak English; No occupation
Barnum, Howard M.; Son; Male; White; 24; Single; Attended school during the census year; b. New York; Father b. Pennsylvania; Mother b. New York; Able to speak English; Student
Barnum, Lynton; Son; Male; White; 21; Single; Attended school during the census year; b. New York; Father b. Pennsylvania; Mother b. New York; Able to speak English; Student
Barnum, Donald A.; Son; Male; White; 12; Single; Attended school during the census year; b. New York; Father b. Pennsylvania; Mother b. New York; Able to speak English; No occupation
Barnum; J. Merton, Jr.; Son; Male; White; 8; Single; Attended school during the census year; b. New York; Father b. Pennsylvania; Mother b. New York; Able to speak English; No occupation
No explanation has yet been found for the discrepancy between his death and burial dates. Possibly a reburial?