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How Many People Are Named Lois?
Estimated people named Lois living in the U.S. today
90,694
Gender distribution
1% male · 99% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 335,474
- Peak year: 1927 (10,587 births)
- Estimated living today: 90,694
Lois by age group — who carries the name today?
Lois popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Lois
Lois has been recorded by the Social Security Administration since the 19th century dataset began. In total, 335,474 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 90,694 bearers are still living — roughly 1 in 3,769 Americans. The name's strongest decade shapes how old most Loiss 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 Lois in the US?
An estimated 90,694 people named Lois are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Lois rare — about 1 in 3,769 Americans.
Is Lois a boy or girl name?
In SSA records, Lois is 1% male and 99% female, so it is predominantly a female name.
When was Lois most popular?
Lois peaked in 1927, when 10,587 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Lois?
Lois ranks #583 of 104,819 first names recorded by the SSA, with a rarity score of 42 out of 100 (higher means rarer).