Oviawe was born in
Benin City and moved to Ireland at two where she grew up in the
County Cork town of
Mallow. Oviawe's parents, Joy and Joe, named her after the actress
Demi Moore. They had two sons upon moving to Ireland. Oviawe lost her mother at five and her father at 15, both to cancer. She and her brothers were taken care of by their Irish stepmother Kim Carroll, with whom their father had two more sons, and their paternal uncle Courage. Oviawe attended Mallow No 1 National School and then
Davis College, completing her
Leaving Cert in 2019. She first discovered acting at the former when she was cast as Mary in the school's
nativity play. At the latter, she played
camogie and
Gaelic Football, and starred in school productions of
Beauty and the Beast,
Grease and
Sister Act. Initially, Oviawe planned to train as a secondary school teacher. However, in 2017 she auditioned on
YouTube for a role in the TV series
The Young Offenders, and won the role of Linda Walsh. ==Filmography==