 Oana was born at Waipahu , Hawaii , the site of the former Oahu Sugar Company plantation , in 1910 . His father , Henry Kawaihoa Oana , Sr. , was a Native Hawaiian from Waialua and a 1896 graduate of Kamehameha School , who later worked as a bookkeeper at the sugarcane plantation and as a station agent at the local railroad depot . His mother Mary was of Portuguese descent . 
