Lillia comes from the Hebrew / Latin tradition, meaning My God is oath / lily flower.
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How popular is Lillia?
2013peak year
Today, Lillia is rarely chosen — ranked well outside the top 1,000 (around #3224), with only about 51 babies given the name per year. But it wasn't always this way. At its peak in 2013, 73 babies were given the name (ranked #2473 nationally). Its strongest stretch was the 2010s. Lillia's usage has held roughly steady recently. In all, around 2,578 babies have been registered as Lillia since 1880.
Year-by-year registrations1880–2024 · U.S. Social Security data
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