He volunteered his service for the defence of the English coast in 1296 as a knight of Chichester.
Henry was ordered "to remain in the North during the winter campaign" in the war against Scotland in 1315.
Overlord of Knygttone Paynell manor in Wiltshire 1317, he was appointed High Sheriff of Surrey and Sussex in 1320.
Lord Hoese (Hussey) was summoned as a knight of Gloucestershire and Sussex to the Great Council at Westminster (9 May 1324).
Henry Hussey died in February 1331–32 at age 66 "on Friday before St. Peter in cathedra, leaving widow, Isabel, and son and heir", (Knights of Edward I).