Montague Castle (April 8, 1867 – August 11, 1939) was a Canadian-born American stained glass artist, businessperson, and painter. He maintained Montague Castle Stained Glass Studio in New York City, and the Montague Castle-London Company of New York, and he created stained glass for many of the churches and synagogues.^[1]

Montague Castle was born on April 8, 1939, in Montreal in Quebec, Canada.^[1][2] His father William Castle was an interior designer, and stained glass artist.^[1]

He moved at the age of 21 to New York City and enrolled at the Art Students League of New York, followed by six years of studied of art in Paris.^[1]

In Paris, Castle became interested in portrait painting, and when he returned to New York City he taught at the Art Students League of New York.^[1] By 1897, Castle stopped painting to focused exclusively on stained glass, and opened his own stained glass studio, Montague Castle Stained Glass Studio.^[1][3] Castle created stained glass for many churches and synagogues, including at Temple Emanu-El of New York; Temple Beth Israel in Hartford, Connecticut; Central Park United Methodist Church in Buffalo, New York; and National City Christian Church in Washington, D.C..^[1] He also worked alongside Tiffany Studios of New York City.

He died at age 72 on August 11, 1939, in his house in New Rochelle, New York after suffering from a long illness.^[1][4]

• Montague- Castle, London Co., 1921 papers at Rutgers University Libraries