Can't find either Jesse or William Oscar in 1900 census
SOURCE: Georgia, County Marriages, 1785-1950 database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KXJY-Q81), Benjamin F. O'Kelly and Jane Dodd, 05 Dec 1886; citing Marriage, Dawson, Georgia, United States, county courthouses, Georgia; FHL microfilm 288,155
IMAGE: https://familysearch.org/ark:/61903/3:1:33S7-9BZN-HNC?mode=g&i=56&wc=S3K4-L27%3A220600701%3Fcc%3D1927197&cc=1927197
Benjamin F. O'Kelly
Marriage 05 Dec 1886 Dawson Co, Georgia
Spouse Jane Dodd
Georgia Deaths, 1928-1939 database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QJX9-SJQ4), Frank O Kelley in entry for Jesse O Kelley, 1939
Name Jesse O Kelley
Death 23 Mar 1939 Dawson, Georgia
Male Age 46 White
Birth (Est) 1893
Father Frank O Kelley
Mother Janie Dodd
Don't know if this is related?http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=59504720
F B O'Kelley
Birth: Apr. 17, 1861
Death: Sep. 18, 1899
Burial: Concord Baptist Church Cemetery, Cumming, Forsyth, GA