In the 1880 US Census for District 243, Ulysses, Tompkins County, New York the family of Joshua Barnum was enumerated as follows:
Dwelling #86; Family #86
Barnum, Joshua; White; Male; 61; Married; Farmer; b. Connecticut; Both parents b. Connecticut
Barnum, Mariette; White; Female; 56; Wife; Married; Chronic rheumatism; b. Connecticut; Both parents b. Connecticut
Barnum, Nathan B.; White; Male; 35; Son; Married; Farmer; b. New York; Both parents b. Connecticut
Barnum, H. Estella; White; Female; 32; Daughter-in-law; Married; Housekeeper; b. New York; Both parents b. New York
Barnum, Estella G.; White; Female; 16; Daughter; Single; Attended school within the census year; b. New York; Both parents b. Connecticut
Barnum, Ralphe B.; White; Male; 3; Grandson; Single; b. New York; Both parents b. New York
Barnum, Sarah M.; White; Female; 2; Granddaughter; Single; b. New York; Both parents b. New York
Barnum, Florence N.; White; Female; 8/12; b. September; Granddaughter; Single; b. New York; Both parents b. New York
In Hayts Cemetery.