Mabel Harlakenden Grosvenor

Dr. Mabel Harlakenden Grosvenor (July 28, 1905 in Beinn Bhreagh, Nova Scotia – October 30, 2006 in Baddeck, Nova Scotia) was a Canadian-born American pediatrician, and a granddaughter and secretary to the scientist and telephone inventor Alexander Graham Bell. She lived in both Beinn Bhreagh, Nova Scotia and Washington, D.C.

Grosvenor oversaw the stewardship of Bell's legacy Canadian estate at Beinn Bhreagh, Baddeck, Nova Scotia, until her death, and was also the Honorary President of the Alexander Graham Bell Club (founded in 1891), Canada's oldest continuing women's club. The club grew out of a social organization started at Beinn Bhreagh, by Mabel Bell, Alexander's wife.

When Grosvenor died in 2006 at age 101, she was the last surviving individual to have personally known and worked with Alexander Graham Bell.

Grosvenor was the third of seven children born to Gilbert Hovey Grosvenor (1875–1966), the father of photojournalism, and the first full-time editor of National Geographic Magazine, and to Elsie May Bell (1878–1964), the first child born to Alexander Graham Bell and Mabel Gardiner Hubbard. Grosvenor was named after her maternal grandmother, Mabel, who was struck with deafness at age five and became, apocryphally, the reason for the invention of the telephone by Mabel's fiancée.

She lived and grew up in both the Beinn Bhreagh estate where she was born, as well as her parents' home near Dupont Circle in Washington, D.C. In 1912 her parents moved to a large farm in North Bethesda, Maryland, at what later became the Grosvenor Metro station.

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