Anglicized spelling of Síle, the Irish Gaelic form of Cecily. This name has become so common and widespread that it is hardly felt to be Irish any longer. In Australia since the 19th century it has been a slang generic term for any woman.
English (Devon): topographic name for someone who lived ‘at the end of the cottages’, from Middle English, Old English ende ‘end’ + cot ‘cottage’. One locality so named is Endicott in Cadbury, Devon; another is now called Youngcott, in Milton Abbot.