1) Patronymic surname 
MacShane is a patronymic surname originating in Ireland. The surname evolved from the given name Shane, a derivative of John, of Hebrew origin. Early records spelled the name Mac Seáin or Mac Seagháin. Historically, the MacShanes from Ulster are a branch of the O`Neills, while in County Kerry, the surname became Fitzmaurice. MacShane is uncommo....