New Testament name, borne by one of Christ's twelve apostles, referred to as ‘Thomas, called Didymus’ (John 11:16; 20:24). Didymos is the Greek word for ‘twin’, and the name is the Greek form of an Aramaic byname meaning ‘twin’. The given name has always been popular throughout Christendom, in part because St Thomas's doubts have made him seem a very human character.
English and Scottish: from Maurice, an Old French personal name introduced to Britain by the Normans, Latin Mauritius, a derivative of Maurus (see Moore). This was the name of several early Christian saints. In some cases it may be a nickname of the same derivation for someone with a swarthy complexion.