Gaelan

Gaelan is a boy's name of Greek and Gaelic origin. It means "calm" in Greek and comes from the root name Galen. In Gaelic, it's derived from the word gall, which means "stranger" or "foreigner." Historically, the term Gael was used to refer to the Celtic-speaking peoples of Ireland and Scotland, who were seen as distinct from the Norse and Anglo-Saxon invaders. If you want a name that evokes peace and tranquility, Gaelan fits the bill.