Helen Grace Culverwell Marsh-Lambert or HGC Marsh-Lambert (1888 – 1981) was a British writer and illustrator of children's books and postcards.

Marsh-Lambert was born in Bristol in 1881.

[1] In 1911 she was living with her parents and she was already a successful illustrator.

[2] She married a banker named Charles T. Lambert in 1913.

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