Mary Gwenllian Gibson [also known, incorrectly, as Mary Gwenillan Gibson] was born in Wolverhampton, Staffordshire, England in 1888. She studied at Wolverhampton School of Art and at Birmingham School of Art where she specialised in bookbinding. She subsequently worked as a painter, bookbinder and leathercraft designer. She also taught leatherwork design and bookbinding at Wolverhampton School of Art.

Her work included a leather altar frontal for St. Margaret's Church in Birmingham, and an altar book for St. Peter's Church in Wolverhampton.

She exhibited at the Royal Academy in London; the Royal Birmingham Society of Artists; and at the Walker Art Gallery in Liverpool. She also participated in the exhibition Arts Décoratifs de Grande-Bretagne et d'Irlande at the Palais du Louvre in Paris in 1914, and the 13th exhibition of the Arts & Crafts Exhibition Society at the Royal Academy in 1926. She was elected an Associate of the Royal Birmingham Society of Artists. She was awarded a Royal Society of Arts prize in 1923 and a National Eisteddford prize in 1926.

Her address was given as 93 Darlington Street, Wolverhampton in 1901 and 191l and 52 Waterloo Road, Wolverhampton in 1933 and 1957 She died on 3 January 1966. Her address at the time of her death was The Firs, West Hill, Budleigh Salterton, Devon.

_{Text source: Art History Research net (AHR net)}