William was born on April 28th, 1671 in Henfield. William's father was Samuel Woolgar and his mother was Grace. His paternal grandparents were William Woolgar and Mary Page. He had two brothers named John and Samuel. He was the oldest of the three children. He had two half-sisters named Mary and Grace. He died at the age of 74 on July 24th, 1745 in Henfield.