Nancy Dawson was a dancer, born in 1728, who died in 1767.
Biography
Nancy Dawson was the stage name of Ann Newton (c.1728-1767), an English dancer and actress. She rose to fame performing a solo rendition of a hornpipe between acts in The Beggar's Opera at Covent Garden Theatre in London in 1759. The hornpipe tune is now known as "Here We Go Round the Mulberry Bush".
From the Wikipedia article “Nancy Dawson”, licensed under CC BY-SA 4.0.
Facts from Wikidata (Q16859284), CC0.