Born in Liverpool, the son of Richard Aspinwall, a merchant, he was descended on his mother's side from the 1st Earl of Chesterfield, Phillip Stanhope. He rose to become the Chancellor and Secretary of the British Embassy in Constantinople and in 1752 was appointed by George II as his agent and consul general to Algiers. His final appointment, held at the time of his death, was as secretary to Earl Harcourt, the Ambassador to France. Besides his diplomatic career he gained some prominence as the translator of the play Rodogune by the French dramatist Pierre Corneille.
At the time of his birth the Aspinwall family lived in Edmund Street L3.
Stanhope Aspinwall's baptism recorded in the Liverpool Parish Church of St Nicholas.
The Wikipedia entry is as useful a source as any.
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