Ocwinyo was born in Teboke village in Apac District. His father worked in the Uganda Prisons Service and his mother was a housewife. Before joining the Prisons Service his father had served in the King’s African Rifles and had been deployed to Misr (Egypt) towards the end of World War II.
Ocwinyo originated from Teboke village in Apac District. His parent worked for the Uganda Penitentiary Administration and his mother was a homemaker. Before joining the penitentiary force, his father had served with the King's African Rifles and had been sent to Egypt towards the end of World War II.