girl name
Lillian
Gender
Girl
Popularity
#57 · U.S. girls (2025)
Popularity of Lillian in the US, 1880–2025
Lillian first appears in US records in 1880. It peaked in 1920, when 10,049 girls were given the name; in 2025 there were 3,966.
Source: US Social Security Administration.
Frequently asked questions
Is Lillian a boy or a girl name?
Lillian is most commonly used as a girl name.
How popular is the name Lillian?
In 2025, Lillian ranked #57 among girls’ names in the United States, according to U.S. Social Security Administration data.
When was the name Lillian most popular?
Lillian was most popular in 1920, when about 10,049 US babies were given the name that year, according to US Social Security Administration records.