Lucillia is a very rare variant of Lucille that peaked in 2025 and remains in steady use.
Lucillia is a girl name. In 2025 it ranked #7,719 for girl births in the United States (and #13,280 across all names), given to 14 babies. Lucillia was first reported in SSA data in 2010 and peaked in 2025 (14 births).
Girls named Lucillia per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 2010–2025 · U.S.+territories from SSA territory files (1998–2025) · SSA publishes a name only in years it was given to at least 5 babies, so a name may have been in use before — or between — the years shown here