I have no connection to family, only listing a possibility.
1920 NY/Seneca Co/Romulus Peter C. Dunn 60 NY Ire NY Laborer/Farm Elnora L. 47 NY Il NY Harold 20 NY - Earl 19 NY - Marg?ret 16 NY - Florence B. 13 NY - Carman P. 9 NY(it says son)
1910 was too hard to read.
1900 NY/Seneca Co/Lodi Peter C. Dunn 41 (b.5/1859)NY Ire NY Farm Laborer Elnora 28 (11/1871)NY NY NY Seward 11 (2/1889)NY - Monta 9 (10/1890)NY - Edward 8 (11/1891)NY - Ida M. 7 (3/1893)NY - Marie 4 (1/1896)NY - Harold 2 (11/1897)NY - Earl 5m (2/1900)NY
There is a Nora Covert age 10 & an Elnora Covert age 6 in Seneca Co in 1880. This census can be searched free of charge. You can check it out and see if you can tell which may be the right one. Good luck. Peg