(French) form of Christina. It was popular in the medieval period, when it appears to have been used interchangeably with Christian, and again in Britain at the end of the 19th century. In the United States it was particularly popular from the 1950s to the 1970s.
English: 1. habitational name from the place in Buckinghamshire on the Thames, named in Old English with mere ‘lake’, ‘pool’ + lāfe ‘remnants’, ‘leavings’, i.e. a boggy area remaining after a lake had been drained. 2. possibly also a variant of Marley.