Leiby
Boy name · #4023 in 2025 · Very rare
How old is the name Leiby? In official American birth records, Leiby has been tracked continuously since 2000, giving it 25 years of documented American history.
In 2025, 27 baby boys were named Leiby, placing it at #4023 in the official national rankings. A decade ago it stood at #9568, so the name has been rising over the past ten years. Roughly one in every 66,667 boys born in 2025 was named Leiby.
The 25-year story
Leiby first appears in the Social Security records in 2000, when 5 boys received the name. Its all-time peak is essentially right now: 2025, with 27 babies and a rank of #3949. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. 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.
Babies named Leiby per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Leiby against up to 5 other names.
Uniqueness: will there be another Leiby in class?
On our rarity read — which blends how common Leiby is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Leiby will likely be the only one in the room, with the occasional spelling-out as the price.
Where Leiby is most common
State-level data for Leiby 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 Leiby
Statistically, parents drawn to Leiby tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Motty, Yanky, Kenay, Laksh, and Avrumy.
MottyYankyKenayLakshAvrumyLenyxMercyLaker
Rank history (last 25 years)
| Year | Babies named Leiby | Rank |
|---|---|---|
| 2025 | 27 | #3949 |
| 2024 | 18 | #5241 |
| 2023 | 14 | #6220 |
| 2022 | 17 | #5445 |
| 2021 | 15 | #5776 |
| 2020 | 7 | #9554 |
| 2019 | 12 | #6777 |
| 2017 | 10 | #7546 |
| 2016 | 5 | #12185 |
| 2015 | 7 | #9568 |
| 2014 | 7 | #9642 |
| 2013 | 8 | #8789 |
| 2012 | 7 | #9709 |
| 2011 | 6 | #10808 |
| 2008 | 6 | #11037 |
| 2000 | 5 | #10349 |
Frequently asked questions
How old is the name Leiby?
In official American birth records, the name Leiby first appeared in 2000 (over 25 years ago), when 5 newborn boys received the name. It has been tracked in modern national records for 25 years.
Is Leiby a popular boy name?
Leiby ranked #4023 among boys in 2025 with 27 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #9568.
When was the name Leiby most popular?
Leiby peaked in 2025, when 27 American boys received the name (ranked #3949 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Leiby?
In 2025, roughly 1 in 66,667 newborn American boys was named Leiby. 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.