Oshea is the Irish surname O'Shea written without the apostrophe; it means "descendant of Séaghdha", an Old Irish personal name usually translated as "hawk-like" or "fine". As a first name it is best known from the rapper and actor Ice Cube, who was born O'Shea Jackson, and from his son O'Shea Jackson Jr. In the United States Oshea stood at number 3393 in 2000, reached its best rank of number 2158 in 2016 and is number 2507 among boys' names in 2025.