Major William Cadogan (1601-1661) of Liscarton, County Meath, was born at Dunster, Somerset, to Henry Cadogan of Llanbetter, Pembrokeshire. His great-grandfather, Thomas Cadogan, of Dunster, claimed descent from the ancient princes of Wales (called Cadwgan). He was the father of the Dublin barrister Henry Cadogan and the grandfather of William Cadogan, 1st Earl Cadogan

He served as MP for County Monaghan from 1639 to 1649 and was a cavalry major in Cromwell's army. As a reward for defending Trim Castle, County Meath, during the English Civil War and for putting down revolts around Dublin, he was given the governorship of Trim Castle. In 1658 he was appointed High Sheriff of County Meath.

He died on 14 March 1661.

[edit] References

• Dictionary of National Biography, article Cadogan, William (1601-1661)