Terrilyn is a charming and unique name for baby girls. It is of American origin and is a modern variation of the name Teri, which itself is a diminutive of Teresa. The name Terrilyn has a sweet and gentle sound, making it perfect for parents who are looking for an elegant and feminine name for their daughter. In terms of popularity, data from Michigan shows that Terrilyn has been used sporadically over the years, with peaks in the late 1950s and 1960s. This name carries a sense of individuality and grace, making it an appealing choice for any little girl.