A reliable meaning for Lilliah isn’t established in our sources yet. Rather than guess, we show what is recorded: how the name is used, how often, and the names it’s connected to.
The story
Published U.S. birth records include this spelling as early as 1999. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Lilliah through the years
Babies since 1880
193
0 boys · 193 girls
Most popular year
2014
15 babies
2025
6
#14,207 for girls
2021–25 vs 2016–20
−35%
Cooling
Lilliah in U.S. Social Security birth records, 1999–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.
By the numbers
In 2025, this name appeared in 6 U.S. birth records for girls, ranking No. 14,207 among girls’ names. The recent annual counts are too incomplete to establish a ten-year comparison. Its largest published annual count for girls was 15 in 2014. Published U.S. population figures for this spelling include 165 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.