[1] Aylmer succeeded his father in the barony on 16 August 1720.
He was instead returned to Parliament for Rye in 1722, a seat he held until 1727.
He was also an Equerry to King George I from 1714 to 1727 and served as Comptroller of the Mint between 1727 and 1754.
[1] Aylmer married Elizabeth, daughter of William Priestman, in June 1716.
Aylmer survived her by four years and died on 26 June 1754.