Career
He represented Saint John"s East in the Newfoundland and Labrador House of Assembly from 1873 to 1878, from 1882 to 1885 and from 1889 to 1890. He was born in Saint John"s, the son of William Dearin and Elizabeth King. Dearin apprenticed with a pharmacist in Saint John"s and then worked in Harbour Grace.
Dearin also practised as a dentist.
He opposed union with Canada. He was defeated when he ran for reelection in 1878 and 1885.
Dearin died in office in Saint John"s in 1890.