The English surname Henson, also found in Ireland, is a patronymic name derived from the personal name Henn, a short form of Henry, Hayne, or Hendy. When found in Ireland the name Henson is an anglicized form of the Gaelic name Ó hAmhsaigh, and is found mainly in counties Offaly and Westmeath. The name is first recorded in Yorkshire in northern England in the 13th Century. The name is first recorded in the New World 1635 when Phillip Henson arrived in Barbados from England. Today there are approximately 47,000 bearers of the name Henson living in the US.