Constant is of Latin origin and means "steady" or "consistent". It was originally used as an adjective, but later became a male given name. The name has been popular throughout history, with notable figures such as Constantius Chlorus (250-306 AD), father of the Roman Emperor Constantine the Great, bearing this name.
"The name Constant experienced its peak popularity with 20 births recorded in the year 1918. However, it saw a significant decline over time, with most years since 1947 averaging around five births per year."