Origin of the name CONSTANTINUS.
Etymology of the
Meaning of the baby name CONSTANTINUS.
diminutive form of Latin Constantius
(q.v.), meaning "constant," from constans ("holding
... Constantius Chlorus was
very popular in Britain, and—as has been said before—the belief that
his wife Helena was of British birth, held the island firm in its
allegiance till the death of the last emperor who claimed kindred with
him. And then Constantius and Constantinus were names assumed by
the rebels who first began to break the bonds of union with the empire,
as if the sound were sure to win British hearts... (History of Christian Names, Yonge, 1884).