The name Milly is a popular name and parents adore it due to its significance on the character. Milly name meaning is Gentle Strength; Industrious; Variant of Melissa; Bee; Helper to the Priest; Rival; Laborious; Eager and it associate lucky number is 8. Milly is a versatile name that has been popular in the English-speaking world for many decades and Milly name meaning is also deep. Find out the pronunciation of Milly and other well-known baby names that sound similar to Milly in the United States of America (USA).