Where was the person who observed Venus' transit at the same time as Jeremiah Horrocks originally from?
William Crabtree: William Crabtree (1610–1644) was an astronomer, mathematician, and merchant from Broughton, then in the Hundred of Salford, Lancashire, England. Transit of Venus, 1639: The first known observations and recording of a transit of Venus were made in 1639 by the English astronomers Jeremiah Horrocks and his friend and correspondent William Crabtree.
Broughton