Philip O'Sullivan Beare (Irish: Pilib Ó Súilleabháin Béirre, c. 1590–1660) was a military officer descended from the Gaelic nobility of Ireland, who became more famous as a writer.
He fled to Habsburg Spain during the time of Tyrone's Rebellion, when the Irish clans and Gaelic Ireland were making their last stand against Tudor England.
[1] He was sent to Spain in 1602, and was educated at Compostela by Vendamma, a Spaniard, and John Synnott, an Irish Jesuit.
[4] He also wrote a Life of St. Patrick, a confutation of Gerald of Wales and a reply to James Usher's attack on his History.
[4] He died in 1660 in Spain, leaving a "daughter of twelve years to inherit his titles in Ireland and his goods".