The name Addalyn is a popular name and parents adore it due to its significance on the character. Addalyn name meaning is Of The Nobility , Serene , Of Good Humor and it associate lucky number is 7. Addalyn is a versatile name that has been popular in the English-speaking world for many decades and Addalyn name meaning is also deep. Find out the pronunciation of Addalyn and other well-known baby names that sound similar to Addalyn in the United States of America (USA).