According to John Allen Shirkey's mother's info (and mine) Thomas Shirkey b. bef. 1760 Ire., (of County Donegal), d. bef. 1840, VA, mar. (30 Jan was probably surety date) 09 Feb 1788 Sarah Jefferson, Botetourt Co., VA. I believe that Thomas may have been nephew of Patrick, def. not a son. Thomas's children:
John Jefferson Shirkey, b. 1793,d. 1884; Mary "Sally" Jefferson Shirkey, b 1794; David Shirkey, b. 07 Dec 1797, d. 02 May 1881, mar 25 Feb 1825 Mary "Polly" Samuels.