The story
From hills + -boro or Hill + -s- + -boro, variant of Hillsborough. The civil parish is named after British politician Wills Hill, 1st Marquess of Downshire (1718 - 1793). Coined by British-Dutch surveyor Samuel Holland.
First known use, by meaning
- From 1765 A civil parish of Queens County, Prince Edward Island, Canada.
Etymology from Wiktionary, CC BY-SA 4.0.