Origin of the name Teaghan: Teagan, a form of the Irish men's name Teague, is becoming a feminine favorite in the U.S. on the model of Megan and Reagan. ... In the U.K. you're more likely to encounter Tegan, an unrelated Welsh name.
Teghan is baby girl name mainly popular in Christian religion and its main origin is . Teghan name meanings is An unrelated Welsh name. Other similar sounding names can be Teaghan.