Thomas Grant

(male) 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.

1. English and (especially) Scottish (of Norman origin), and French: nickname from Anglo-Norman French graund, graunt ‘tall’, ‘large’ (Old French grand, grant, from Latin grandis), given either to a person of remarkable size, or else in a relative way to distinguish two bearers of the same personal name, often representatives of different generations within the same family.