Lois Girl
How popular is Lois?
#1,666 girl name in 2025
124 baby girls were named Lois in the US in 2025, making it the 1666th most popular girl name.
109,199living people named Lois (est.)
78median age of people named Lois
335,594babies named Lois since 1880
1 in 26,737US babies born in 2025
Lois popularity over time
Boys Girls
| Rank in 2025 | #1,666 for girls (▲ 15 from 2024) |
|---|---|
| Babies in 2025 | 124 girls |
| 10-year trend | Steady (+14% babies vs 2015) |
| Earlier ranks | #1,872 in 2015, #1,841 in 2020 |
| Peak year | 1927 (10,505 girls) |
| Highest rank | #17 in 1929 (2 years at that rank) |
| First recorded | 1880 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.1% in a class of 25 kids born in 2025 |
Where Lois is most popular
Babies named Lois per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL
- Missouri: 0.1 per 1,000 (16 girls)
- Washington: 0.1 per 1,000 (13 girls)
- Kentucky: 0.1 per 1,000 (7 girls)
- New York: 0.1 per 1,000 (31 girls)
- Tennessee: 0.1 per 1,000 (12 girls)
Lois by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1880s | 954 | #176 |
| 1890s | 3,228 | #111 |
| 1900s | 7,691 | #73 |
| 1910s | 38,179 | #40 |
| 1920s | 88,133 | #17 |
| 1930s | 80,713 | #17 |
| 1940s | 56,854 | #38 |
| 1950s | 36,200 | #83 |
| 1960s | 13,254 | #175 |
| 1970s | 2,884 | #426 |
| 1980s | 1,397 | #835 |
| 1990s | 930 | #1,449 |
| 2000s | 783 | #2,009 |
| 2010s | 1,023 | #1,614 |
| 2020s | 727 | #1,586 |
Girl names about as popular as Lois
Questions
- Is Lois a boy or girl name?
- Lois is mostly a girl name. Over the last 10 years, 100% of babies named Lois were girls.
- How popular is the name Lois?
- 124 baby girls were named Lois in the US in 2025, making it the 1666th most popular girl name.
- When was Lois most popular?
- Lois peaked in 1927, when 10,505 girls were given the name. Its highest rank was #17, held for 2 years starting in 1929.
- How many people are named Lois?
- 335,594 babies have been named Lois in the US since 1880. We estimate about 109,199 of them are alive in 2026, with a median age of 78.
- Where is Lois most popular?
- From 2021 to 2025, Lois was most common in Missouri, at 0.1 of every 1,000 girls born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.