In 1957, the McCain brothers [Harrison, Wallace, Robert & Andrew] founded McCain Foods at Florenceville [New Brunswick, Canada]. This company would go on to become the world’s largest producer of frozen chips. The ancestors of the McCain’s, William Andrew McCain, emigrated to Canada from near Castlefinn in the 1820s.
Also from the Londonderry Sentinel
August 6 1889 July 4, at the bride’s residence, Florenceville, New Brunswick, by the Rev. George Howard, SAMUEL, son of the late WILLIAM McCAIN (formerly of Meenahoney, Castlefin, Ireland), to MARY REBECCA, only surviving daughter of the late JOHN MACKAY, of Florenceville (formerly of Ballindrait, Ireland (Londonderry Sentinel)
This McCcain/McKane clan all descend from the lineage of old Moses McKane of St. Johnston.