Sainthill

Sainthill, or St. Hill is an English surname of Norman origin.
Notable people with this surname include:

Peter Sainthill (MP for Tiverton), English politician known for his role in the English Civil War
Sir Walter de Sweynthill, English Knight who represented Devon in the Parliaments of Edward II and Edward III
Peter Sainthill, English politician
Sir Peter Sainthill F.R.S., preeminent 18th century surgeon, who served as Master of the Company of Surgeons
Lieutenant-Colonel Windle St. Hill
Loudon Sainthill, Australian artist

Sainthill is also a given name:

Sir Sainthill Eardley-Wilmot K.C.I.E. (1825-1929), British Civil Servant and Conservationist who served as Inspector-General of Forests