[1] Aglionby held a number of public offices, including Escheator of Cumberland and Westmorland (1527–28), gentleman usher of the chamber in 1534 and constable of Penrith Castle in 1534.
[2] In June 1516 he joined with Thomas, 2nd Lord Dacre of Gilsland, and a number of others in commissioning the reconstruction of the bridge over the river Eden.
During the rebellions of 1536 he helped to hold Carlisle against Richard Dacre, and Thomas Lamplugh.
He was made captain of the new citadel of Carlisle and also served a term as mayor and after several nominations was pricked sheriff of Cumberland in 1544.
[3] He was appointed by King Henry VIII as a Captain on the Scottish borders in 1524, and he remained militarily active under successive Wardens of the Western March until 1543.