ConlethmIrish Anglicized form of the Old Irish name Conláed, possibly meaning "constant fire" from cunnail "prudent, constant" and áed "fire". Saint Conláed was a 5th-century bishop of Kildare.
ConstansmLate Roman Late Latin name meaning "constant, steadfast". This was the name of a 4th-century Roman emperor, a son of Constantine the Great.
Feidlimidm & fOld Irish, Irish Mythology Traditionally said to mean "ever good", it might be related to Old Irish feidil"enduring, constant". This was the name of three early kings of Munster. It was also borne by a 6th-century saint, typically called Saint Felim. In Irish legend, it was the name of the father of Deirdre.
Hengm & fChinese From Chinese 恒 (héng) meaning "constant, persistent", as well as other characters with a similar pronunciation. Lui Heng, known as Wen of Han, was a 2nd-century BC emperor of the Han dynasty.
TsuneomJapanese From Japanese 恒 (tsune) meaning "constant, persistent" combined with 夫 (o) meaning "man, husband", 男 (o) meaning "male, man" or 雄 (o) meaning "hero, manly". Other kanji combinations can also form this name.