boy name
Lewis
Gender
Boy
Popularity
#433 · U.S. boys (2025)
Popularity of Lewis in the US, 1880–2025
Lewis first appears in US records in 1880. It peaked in 1921, when 2,712 boys were given the name; in 2025 there were 736.
Source: US Social Security Administration.
Frequently asked questions
Is Lewis a boy or a girl name?
Lewis is most commonly used as a boy name.
How popular is the name Lewis?
In 2025, Lewis ranked #433 among boys’ names in the United States, according to U.S. Social Security Administration data.
When was the name Lewis most popular?
Lewis was most popular in 1921, when about 2,712 US babies were given the name that year, according to US Social Security Administration records.