The name Gillean is a popular name and parents adore it due to its significance on the character. Gillean name meaning is Saint John s Servant and it associate lucky number is 6. Gillean is a versatile name that has been popular in the English-speaking world for many decades and Gillean name meaning is also deep. Find out the pronunciation of Gillean and other well-known baby names that sound similar to Gillean in the United States of America (USA).