Beamsley Glasier was a British army officer born in Ipswich, Massachusetts, the child of Stephen Glasier and Sarah Eveleth. He married Ann Stevens on 17 April 1739 in Newbury Massachusetts. They had two children together, a son and a daughter. He joined the military sometime before 1745. He began as an ensign in the 5th Massachusetts Regiment, moving up to the rank of captain in August 1745, adjutant general in Lake George, New York (then called Fort William Henry), lieutenant-colonel in the New York Regiment, and then colonel in 1756. He was commander of Fort Herkimer (in Herkimer, N.Y.) in 1757. Glasier was an active member of the Saint John River Society (also called the Canada Company), who surveyed and planned for the settlement of Nova Scotia. He also participated in the founding of a Massachusetts outpost on the Saint John River that later grew into the colony of New Brunswick. Glasier was commandant of Michilimackinac (Mackinac City, Michican) from 26 July 1768 to 24 May 1770. In 1772 he was in Albany County, New York. He was promoted to major in 1775. He also served in the West Indies and the southern American colonies, especially Florida and Georgia. He retired to the estate that he had acquired in Nova Scotia. He died in August 1784.

George F. Glassco of Hamilton, Ontario, was the father of McGill graduate Gordon Bond Glassco (B.Sc. 1905), who served with the 2nd Universities Company of the Canadian Expeditionary Force, the Princess Patricia's Canadian Light Infantry; and eventually in air-craft production and anti-submarine work.

Wife of Sir Thomas Glen Glen-Coats, 1st Baronet (19 February 1846 – 12 July 1922), Lady Elise Glen-Coats was born Elise Agnes Walker, the daughter of Alexander Walker, Esquire, merchant, of Montreal.

Elise Agnes Walker was the daughter of Montreal merchant Alexander Walker, Esq. She married Sir Thomas Glen-Coats, 1st Baronet, in 1876.