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How Many People Are Named Lewis?
Estimated people named Lewis living in the U.S. today
66,106
Gender distribution
99% male · 1% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 155,889
- Peak year: 1921 (2,731 births)
- Estimated living today: 66,106
Lewis by age group — who carries the name today?
Lewis popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Lewis
Lewis has been recorded by the Social Security Administration since the 19th century dataset began. In total, 155,889 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 66,106 bearers are still living — roughly 1 in 5,170 Americans. The name's strongest decade shapes how old most Lewiss you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Lewis in the US?
An estimated 66,106 people named Lewis are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Lewis rare — about 1 in 5,170 Americans.
Is Lewis a boy or girl name?
In SSA records, Lewis is 99% male and 1% female, so it is predominantly a male name.
When was Lewis most popular?
Lewis peaked in 1921, when 2,731 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Lewis?
Lewis ranks #736 of 104,819 first names recorded by the SSA, with a rarity score of 44 out of 100 (higher means rarer).