Mary Susan Explained

Mary Susan is a feminine given name. Notable people with the name include:

• Mary Susan Applegate (born 1955), American songwriter, poet, and lyricist
• Mary Susan Etherington (1864–1942), English singer and comic actress known professionally as Marie Tempest
• Mary Susan Gast (born 1945), American poet
• Mary Susan McIntosh (1936–2013), British sociologist, feminist, political activist, and campaigner for lesbian and gay rights in the UK