Teighan, of Irish origin, is an uncommon yet distinctive given name for females. It is derived from the Irish surname Ó Teagáin, which means 'descendant of Teagain'. The name Teagain itself is believed to have originated from a diminutive form of the name Teague, which was used to denote someone with red hair or fair complexion. While not widely popular, those bearing this unique name stand out due to its uncommon usage and distinct Irish roots.
"The name Teighan experienced a notable increase in popularity between 2005 and 2023, with a significant spike occurring from 2017 onwards."