 He invented a farming implement important for the local onion-growing economy of the Westport/Fairfield area (see US Patent 237,057 ), and established in 1857 a onion farm on the west side of Sherwood Mill Pond at 180 Hillspoint Rd, Westport CT. ().Henry Burr Sherwood was born in 1829 into the Sherwood family of Connecticut's Sherwood Island State Park fame .He was an 8th generation Sherwood and a nephew of the Sherwood ship captain triplets, Francis, Franklin, and Frederick, famous for their roles running clipper ships in the China trade.