Career
Hayes was baptised on 2 April 1676. Rachel was the widow of Henry Carey, 4th Viscount Falkland. This Anthony Carey, 5th Viscount Falkland was Hayes" half-brother.
Around April 1709, Hayes married Elizabrth Ashburnham, daughter of John Ashburnham, 1st Baron Ashburnham.
Hayes was educated at Lincoln"s Inn. He died aged approximately 55.
He died between the end of March 1730, when he made his will, and the beginning of December 1731.