Oubre was born in 1995 in New Orleans, Louisiana to parents Tonya and Kelly Sr. He has two siblings -- a sister, Amber Coleman, and a brother, Gared Washington. When Oubre was in the fourth grade, he was forced to move from New Orleans with his father due to Hurricane Katrina. By his high school years, Oubre had relocated to George Bush High School in Texas before transferring to Findlay Prep in Nevada for his senior year. Oubre is involved in the community, providing scholarships to 10 high school students in the New Orleans area in 2017-18 and 2018-19. He also contributed to teammate DeAndre Ayton's Hurricane Dorian relief efforts in October 2019. You can follow Oubre on Twitter (@KELLYOUBREJR) and Instagram (@kellyoubrejr).