English Captain: William Thomas

William Thomas served in the Parliamentarian navy. From 1643 until 1644, he commanded the 5th Rate Eighth Whelp (18 guns and a crew of 60 men). He served in the Summer Guard in 1643. From 1644 until 1646, he commanded the 5th Rate Warwick (22 guns, a crew of 80 men, and 200 tons). He served in the Summer Guard and Winter Guard in 1644. He commanded the Warwick in the Vice-Admiral's squadron in the Summer Guard for 1645 and was also in the Winter Guard for that year. From 1646 until 1647, he commanded the new frigate Nonsuch. He commanded the Nonsuch in the Winter Guard for 1646. In the summer of 1647, he commanded the Nonsuch in the Irish Guard. He was gone from service by the winter of 1647. Sources:

1. R. C. Anderson, List of English Naval Captains 1642-1660, 1964
2. J. R. Powell, The Navy in the English Civil War, 1962