Career
From about 1594 he served the Crown in Ireland and in 1603 was commissioned to develop a township adjacent to Ballyshannon Castle. In 1608 he commanded troops in the suppression of O"Doherty"s Rebellion and successfully captured or killed some of the rebels during the Siege of Tory Island. The Borough of Ballyshannon was incorporated in 1613.
He was created Baron Folliott, of Ballyshannon, in the Peerage of Ireland on 22 January 1620.
He acquired salmon fisheries and over 3,000 acres (12 km2) of land in Company Donegal. His residence was Wardtown Castle, Ballymacaward, Company
Donegal. Thomas Folliott, 2nd Baron Folliott (1613–1697)
Michael Folliott (d 17 November 1638)
Arthur Folliott, died young
Charles Folliott (d aft 1622)
Anne Folliott
Frances Folliott, married Sir Robert King, Member of Parliament and had issue
Elizabeth Folliott, married on 7 May 1640 Richard Wingfield and had issue, married on 12 April 1646 Edward Trevor, married Sir John Ponsonby (d 1678) and had issue.