Libby
MeaningGod is my oath · English form of Elizabeth
- US rank
- #1,144
- Syllables
- 2
- Peak
- #604 in 1934
202 babies were named Libby in the US in 2025. It has climbed 8 places in five years.
Found on lists
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US births per million girls, 1881–2025
Most popular states (2025)
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Libby you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 7,955 baby girls born in the US in 2025 was named Libby, 202 babies in all. In a typical school of 500 kids, your Libby would very likely be the only one.
- HistoryLibby first shows up in US birth records in 1881, the first year at least 5 babies got it. It has been in use for 144 years since.
- Best yearIts best year was 1934, when it reached #604.
- Where it's lovedLibby is most popular in New York, where it ranks #295, followed by Arkansas (#489) and South Carolina (#773). It's in the top 1,000 in 5 states.
- MeaningLibby is an English form of Elizabeth, which means “God is my oath”.
About the name Libby
Libby is a girl name of English origin meaning “God is my oath”. It has 5 letters and 2 syllables, starting with L and ending in “-bby”. US birth records list Libby for girls from 1881 to 2025, in 143 of those 145 years. Its best year was 1934, when it ranked #604 among girl names. In 2025 it ranked #1,144, with 202 babies.
Origin:English names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1880s | 39 | 25,612 girls |
| 1890s | 57 | 17,640 girls |
| 1900s | 69 | 14,428 girls |
| 1910s | 98 | 10,225 girls |
| 1920s | 65 | 15,487 girls |
| 1930s | 90 | 11,171 girls |
| 1940s | 80 | 12,478 girls |
| 1950s | 86 | 11,624 girls |
| 1960s | 113 | 8,878 girls |
| 1970s | 73 | 13,708 girls |
| 1980s | 52 | 19,272 girls |
| 1990s | 68 | 14,745 girls |
| 2000s | 155 | 6,471 girls |
| 2010s | 157 | 6,362 girls |
| 2020s | 134 | 7,446 girls |
More English girl names
- Girl name: Olivia · olive tree
- Girl name: Charlotte · free
- Unisex name: Harper · harp player
- Girl name: Elizabeth · God is my oath
- Girl name: Lily · lily flower
- Girl name: Lucy · light
- Girl name: Lainey · possibly light
- Girl name: Scarlett · scarlet red
Questions about the name Libby
What does the name Libby mean?
Libby means “God is my oath” in English, as a form of Elizabeth.
What is the origin of the name Libby?
Libby has English roots in our records. Other English names include Olivia, Charlotte, Harper.
Is Libby a boy or girl name?
Libby is a girl name.
How popular is the name Libby?
Libby ranked #1,144 for US girls in 2025, given to 202 babies. Its best year was 1934 (#604).