Gray indicates that the Percy family married into the Parsons family of Garadice thereby inheriting that estate in the eighteenth century.
Modern printed sources
- HARRISON, A (compiler).'' A roll of all gentlemen....High Sheriffs, MPs & other officers of county Leitrim, 1600-1909.'' Carrick-on-Shannon: printed by P. Brennan, 1910. : 4
- ''The Irish Genealogist'': GRAY, Edward S. Some notes on the High Sheriffs of county Leitrim, 1701-1800. I (1941), 303, 308.