Usually a Welsh name;occasionally an anglicized form of the rare O' hEimhin of Ormond: this is derived from a word meaning swift. The Evans surname is common in Britian and were used as the anglicized form of Gaelic Irish surnames. In this case, Evans represents the older Gaelic name O'Hevine which is now obsolete. Evan is he Welsh form of John, dating from about 1500.