Almeric was born in May 1664, the second son of John de Courcy and his wife Ellen MacCarthy Reagh.

[12] Kingsale studied under Doctor John Fell, Dean of Christ Church and Bishop of Oxford.

In a letter written in 1678 Fell complained that Kingsale was "addicted to the tennis court, proof against all Latin assaults and prone to kicking, beating and domineering over his sisters; ... fortified in the conceit that a title of honour was support enough, without the pedantry and trouble of book-learning.

"[13] On 6 December 1681 Kingsale fought a duel with Charles Livingston, 2nd Earl of Newburgh and had Patrick Sarsfield as his second.

[19] In 1692 he exercised before William III his privilege, supposed to have been granted to his ancestor John in 1203, to remain covered before the king.

[22] On 2 March 1698 Kingsale married Anne, daughter of Robert Dring, of Isleworth, Middlesex, at St Martin, Ludgate, London, in an Anglican ceremony.