Helen G. Stevenson was a Scottish painter and printmaker who studied under Morley Fletcher at the Edinburgh College of Art. She exhibited at the Society of Graver Printers in Colour c.1924-1935 and with the California Society of Printmakers in the 1920's. Showed four prints at the Bromhead Gallery in Cork Street,London in early 1929. She later became Art Mistress at St. Andrews Cottage School in Edinburgh. Examples of her work at held at the V & A and at the British Museum. 

Reference 

Garton: British Printmakers 1855-1955. page 69.

https://collections.artsmia.org/art/131990/a-lochranza-croft-helen-g-stevenson

https://haji-b.blogspot.com/2020/12/road-to-isles-helen-g-stevenson-norma.html

https://haji-b.blogspot.com/2011/09/helen-g-stevenson-argyll.html