Marjory (also known as Mariota) was the daughter of Sir Henry Preston, Thane of Fermartyn. Her marriage to Sir John de Forbes established the main branch of Forbes of Tolquhon.

Katherine "Kate" Mary Furbish was highly regarded botanist, who lived in Maine, USA. Her research and studies are included at Harvard University and Bowdoin College. She was a founder or member of many Botanist Societies.

Dame Katherine Jane Trefusis Forbes, Lady Watson-Watt, DBE (1899 –1971) became the first director of the British Women's Auxiliary Air Force (WAAF) in 1939.

Elizabeth Douglas Forbes was the granddaughter of Robert III. With her marriage to Alexander , 1st Lord Forbes, she helped establish the House of Forbes estates ad bloodline.

Sara Forbes Bonetta was a West African Egbado princess of the Yoruba people who was orphaned and rescued by Captain Frederick Edwyn Forbes of the Royal Navy. She became a goddaughter to Queen Victoria.

Kate Elizabeth Forbes is a Scottish politician who has served as Deputy First Minister of Scotland and Cabinet Secretary for Economy and as Cabinet Secretary for Finance and the Economy from 2020 to 2023.

Lady Margaret refused to surrender Corgarff Castle to Adam Gordon so he ordered the castle burned with her children. The ballad "Edom o' Gordon" tells of her bravery.

Actor, lecturer, and author Beatrice Forbes-Robertson became an outspoken advocate for a woman’s right to vote and wrote the book "What Women Want: An Interpretation of the Feminist Movement."

Successful portrait artist Anne Forbes gave up a thriving business in London to teach and paint in Edinburgh. In 1788, she was appointed Portrait Painter to the Society of Antiquaries in Edinburgh.

Esther Louise Forbes Forbes was an American novelist and historian who received the Pulitzer Prize and the Newbery Medal. Here most popular works are Johnny Tremain and Paul Revere and the World He Lived In.