There are an estimated 66 people named Lillis alive worldwide today. That ranks Lillis at #29085 globally, with the highest concentrations in United States.
In the United States, Lillis is held by approximately 66 people, ranking #29085 among first names. That works out to roughly 0 per 100,000 Americans (or 1 in 5,028,788 U.S. residents).
Historically Lillis is used overwhelmingly as a female name (100.0% female).
Lillis appears in birth records going back to 1880. Use the chart below to see how its popularity has changed across decades, and the surname section to find common pairings.