This interesting surname of Irish surname of Irish origin with variant spellings Davoren, Daveren, Davoran, Daverin, Davering, etc., derives from the Gaelic Dubhdabhoireann, "dubh" meaning "black" plus "an da Bhoireann" "of the two Burrens". This was formerly a flourishing Thormand sept but has now dwindled to small numbers which are still found in County Clare and the adjoining County of Tipperary. They are described as formerly a learned Brehon family seated at Lisdoonvarna, where they had a literary and legal school, among the pupils of which was Duald Mac Firbis, the most distinguished of that celebrated family or Irish antiquaries. The Four Masters record the death in 1364, of Gillananaev O'Duibhdabhoireann, chief brehon of Corcom roe. The surname was first anglicized phonetically as O'Duvdavoren and later shortened to O Davoren. Church records include one Eliza Daverin who married Richard Cooke on January 29th 1816, at Inch by Gorey, Wexford, and Alice Davering married Isac Wilson on September 13th 1830, at St. John the Baptist, Shoreditch, London. The first recorded spelling of the family name is shown to be that of Coradh mic Dabhoirenn, which was dated 1317, The Wars of Torlough, Daverin's weir near Corofin, during the reign of King Edward 11, "Edward of Caernafon", 1307 - 1327. Surnames became necessary when governments introduced personal taxation. In England this was known as Poll Tax. Throughout the centuries, surnames in every country have continued to "develop" often leading to astonishing variants of the original spelling.