Arthur Chichster was the son of Viscount Chichester. In 1639 he was member of parliament for County Antrim, and at the outbreak of the rebellion in 1641, he raised troops in Carrickfergus. In 1643 he was made Governor of Carrickfergus, but on his refusal to take the covenant prescribed by the parliament in 1644, he withdrew from Ulster. In 1647 he was created Earl of Donegal, and took his seat in the House of Lords in 1661. In 1668 he established a mathematical lecture at Trinity College, Dublin. He died in Belfast and wwas buried in Carrickfergus.

Born:	16 June 1606
Died:	18 March 1675