 They had no issue.After her death in 1725, he married Lady Henrietta Boyle, youngest daughter of Charles Boyle, 3rd Earl of Cork and 2nd Earl of Burlington and Juliana Noel, in 1726.Lord Shannon died in December 1764, in his 82nd year, and was succeeded in his titles by his son from his second marriage, Richard Boyle, 2nd Earl of Shannon.