7th child of Sarah Cook
father Delos Cornell
Chester Cornell
We had always called him Uncle Chet.
Census 
Chester was counted in the following censuses:
1910 in New York, Steuben County, Corning Town (Ancestry.com)
Cornel, Delos
head, male, white, age 44, married,
# of years of present marriage 17,
place of birth New York,
Father and mother place of birth United States,
laborer, iron foundry, can read and write, rent house
Cornel, Sarah E.
wife, female, white, age 33, married, 17 years,
7 children and 7 living, place of birth New york,
Father and Mother birth place New York
George, male, age 15, single, laborer,
Glass Factory, able to read but not write,
attended school in that year
Myrtle M., female, age 13, single
Sarah N., female, age 11, single
Charles H., male, age 9, single
Arthur, male, age 7, single
Marie, female, age 5, single
Chester, male, age 2, single
1920 in New York, Steuben County, Corning
HeritageQuestonline.com; Page 2B; 3 Jan 1920
ED # 106; Line 87 - 94; Coran Ave.; Dwelling # 44; Family visited # 47
Cornell, Delos - head, rent, male, age 54, married, able to read and write,
self and parents born in NY, Laborer, Coal Yard
----, Melinda - wife, female, age 34, married, not able to read or write,
self and parents born in NY, no occupation
----, George - son, male, age 28, single, able to read and write,
self and parents born in NY, Laborer, Glass Factory
----, Charles - son, male, age 18, single, able to read and write,
self and parents born in NY, Brakeman, Railroad
----, Chester - son, male, age 12, attended school, able to read and write,
self and parents born in NY, no occupation
----, Manley - son, male, age 6, attended school, self and parents born in NY
Phenes, Harmon - stepson, male, age 28, single, able to read and write,
self and parents born in NY, Laborer, Glass Factory
---, Harry B. - stepson, male, age 18, single, able to read and write,
self and parents born in NY, Laborer, Farm
CHESTER CORNELL born Apr. 17,1908. He died Jan.4,1988 Corning, New York
+ married
PEARL ?