What does the name teagan mean? Teagan means descendant of tadhgán and descendant of the poet (from irish tadhg = poet). In welsh, teagan means blonde, bright (from welsh teg).

It is derived from the gaelic word teagasc which means teaching or instruction. it can also be. An irish surname, teagan is derived from tadhg and means little poet. Teagan is a strong and unique name, with a rich cultural history. Its meaning is rooted in literature and the arts, representing a love.