Teigan is of Irish origin, derived from the Irish surname Ó Tighearna, which means 'descendant of Tighearnach'. This name has a unique and modern sound, yet it carries deep historical roots. It consists of three syllables, pronounced as /TEY-gan/. In Ireland, Teigan is often associated with Irish culture and heritage but its popularity has spread globally in recent times.
The name Teigan has shown a trend of increasing popularity from the year 2000 onwards, with a significant jump in usage starting around 2007. The peak in popularity occurred in 2019 and 2020, with both years seeing 40 or more births. After 2020, the number of births with the name Teigan began to decline slightly, but remained consistently higher than the early figures from the late 1990s and early 2000s. Overall, there were a total of 610 births with the name Teigan between 1998 and 2023.