Bo
Girl name · #4561 in 2025 · Very rare
How old is the name Bo? In official American birth records, Bo has been tracked continuously since 1929, giving it 96 years of documented American history.
Bo ranks #4561 among American girls' names as of 2025, with 30 newborns given the name that year. A decade ago it stood at #6977, so the name has been rising over the past ten years. Roughly one in every 60,000 girls born in 2025 was named Bo.
Babies named Bo per year. Source: Official national birth records.
The 96-year story
Bo first appears in the Social Security records in 1929, when 5 girls received the name. Its peak came in 2021, when 42 girls were named Bo — good for #3614 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Bo against up to 5 other names.
Uniqueness: will there be another Bo in class?
On our rarity read — which blends how common Bo is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Bo will likely be the only one in the room, with the occasional spelling-out as the price.
Where Bo is most common
State-level data for Bo is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Bo
Statistically, parents drawn to Bo tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Bahar, Brady, Batya, Xia, and Eli.
BaharBradyBatyaXiaEliAndyBlimaBasya
Rank history (last 25 years)
| Year | Babies named Bo | Rank |
|---|---|---|
| 2025 | 30 | #4546 |
| 2024 | 17 | #6642 |
| 2023 | 22 | #5549 |
| 2022 | 29 | #4671 |
| 2021 | 42 | #3614 |
| 2020 | 20 | #5850 |
| 2019 | 31 | #4437 |
| 2018 | 32 | #4357 |
| 2017 | 21 | #5821 |
| 2016 | 27 | #4990 |
| 2015 | 17 | #6977 |
| 2014 | 14 | #8053 |
| 2013 | 26 | #5143 |
| 2012 | 19 | #6576 |
| 2011 | 18 | #6855 |
| 2010 | 18 | #6904 |
| 2009 | 16 | #7679 |
| 2008 | 21 | #6350 |
| 2007 | 21 | #6323 |
| 2006 | 29 | #4811 |
| 2005 | 20 | #5999 |
| 2004 | 11 | #9264 |
| 2003 | 20 | #5795 |
| 2002 | 14 | #7444 |
| 2001 | 9 | #10102 |
Frequently asked questions
How old is the name Bo?
In official American birth records, the name Bo first appeared in 1929 (over 96 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 96 years.
Is Bo a popular girl name?
Bo ranked #4561 among girls in 2025 with 30 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #6977.
When was the name Bo most popular?
Bo peaked in 2021, when 42 American girls received the name (ranked #3614 that year). Since 2021 the name has declined from that high.
How rare is the name Bo?
In 2025, roughly 1 in 60,000 newborn American girls was named Bo. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.