Wikipedia
Haughn
Haughn is an Irish surname. It is a reduced form of an Anglicisation of the Irish language Ó hEacháin, meaning "descendant of Eachán". The personal name Eachán is a diminutive of the name Eachaidh, meaning "horse". Eachaidh is a byname meaning "horseman"; the name is derived from each, meaning "horse".