The name Hilli is a popular name and parents adore it due to its significance on the character. Hilli name meaning is Belonging To Hillah (town Near Baghdad) and it associate lucky number is 5. Hilli is a versatile name that has been popular in the English-speaking world for many decades and Hilli name meaning is also deep. Find out the pronunciation of Hilli and other well-known baby names that sound similar to Hilli in the United States of America (USA).