Hugh first appears in The records of Rhode Island on June 29, 1660, when he and five other from Newport purchase land at Misquamicut (Westerly) from the Indian Socho, which had been given to same by Canonicus and Miantonomi for driving off the Pequots in 1637.
1657. Uncle Hugh Mosher leaves to him "House called Cookes House."
Sept. 9, 1661. Has a share of land in Westerly apportioned to him but probably never lived there.
1664. Admitted freeman in Portsmouth.
July 8, 1668. Purchases land from Thomas Lawton, and the two agree to maintain a good fence line.
August 24, 1676. Member of the Court Martial,held at Newport for the trial of several Indians charged with being engaged in King Philip's designs. Several were sentenced to be executed.
1684. Ordained pastor of the First Baptist Church of Dartmouth at its organization. The church soon encompasses Tiverton and Little Compton.
April 16, 1690. John Walley of Bristol county writes to Thomas Hinckley, Governor of Plymouth Colony that, "He is a substantial man...whatsoever Mosier doth, he doth publicly, and makes account he can in law answer anything he hat said of done."
Nov. 7, 1691. Sold to Joseph Braman his share of Westquadnoid.