Gender: Girl
Meaning: Youthful; downy-bearded; of the Julian family
Origin: Latin Julianus — from the Roman gens Julia, the legendary clan of Julius Caesar
Popularity: Ranked #1131 in 2024 with 213 babies born.
History: Jillian peaked in the 2000s. Jillian Michaels became America's toughest fitness trainer on The Biggest Loser. The name carries capable, strong energy. Jillian means American determination.
Similar names: jilliana, jillianna, jailani, jailany, jailin, jaliana, jeilani, jeilany
Name length: 7 letters
How common is Jillian? About 1 in 15,627 babies born in 2024 were named Jillian, or roughly 0.6 per day in the United States.
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