Lonzo
Boy name · #4143 in 2025 · Very rare
How old is the name Lonzo? In official American birth records, Lonzo has been tracked continuously since 1880, giving it 145 years of documented American history.
Lonzo ranks #4143 among American boys' names as of 2025, with 25 newborns given the name that year. A decade ago it stood at #8040, so the name has been rising over the past ten years. Roughly one in every 72,000 boys born in 2025 was named Lonzo.
Babies named Lonzo per year. Source: Official national birth records.
The 145-year story
Lonzo first appears in the Social Security records in 1880, when 10 boys received the name. Its peak came in 1919, when 85 boys were named Lonzo — good for #673 that year. Today's parents encounter it as a name from their grandparents’ generation, which is precisely the vintage window from which names get revived. 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 Lonzo against up to 5 other names.
Uniqueness: will there be another Lonzo in class?
On our rarity read — which blends how common Lonzo is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Lonzo will likely be the only one in the room, with the occasional spelling-out as the price.
Where Lonzo is most common
State-level data for Lonzo 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 Lonzo
Statistically, parents drawn to Lonzo tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Santo, Lavern, Gaetano, Rupert, and Mose.
SantoLavernGaetanoRupertMoseLuciousLemuelArno
Rank history (last 25 years)
| Year | Babies named Lonzo | Rank |
|---|---|---|
| 2025 | 25 | #4139 |
| 2024 | 18 | #5241 |
| 2023 | 13 | #6517 |
| 2022 | 33 | #3464 |
| 2021 | 22 | #4494 |
| 2020 | 21 | #4540 |
| 2019 | 22 | #4480 |
| 2018 | 26 | #3993 |
| 2017 | 12 | #6685 |
| 2016 | 5 | #12185 |
| 2015 | 9 | #8040 |
| 2013 | 6 | #10728 |
| 2012 | 6 | #10770 |
| 2010 | 9 | #8139 |
| 2009 | 7 | #9864 |
| 2008 | 9 | #8324 |
| 2007 | 12 | #6622 |
| 2006 | 8 | #8732 |
| 2005 | 7 | #9115 |
| 2004 | 14 | #5492 |
| 2002 | 9 | #7055 |
| 2001 | 8 | #7536 |
| 2000 | 9 | #6839 |
| 1999 | 6 | #8704 |
| 1998 | 9 | #6314 |
Frequently asked questions
How old is the name Lonzo?
In official American birth records, the name Lonzo first appeared in 1880 (over 145 years ago), when 10 newborn boys received the name. It has over a century of continuous American history.
Is Lonzo a popular boy name?
Lonzo ranked #4143 among boys in 2025 with 25 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #8040.
When was the name Lonzo most popular?
Lonzo peaked in 1919, when 85 American boys received the name (ranked #673 that year). Since 1919 the name has declined from that high.
How rare is the name Lonzo?
In 2025, roughly 1 in 72,000 newborn American boys was named Lonzo. 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.