Justus
Boy name · #1942 in 2025 · Very rare
How old is the name Justus? In official American birth records, Justus has been tracked continuously since 1880, giving it 145 years of documented American history.
In 2025, 79 baby boys were named Justus, placing it at #1942 in the official national rankings. A decade ago it stood at #859, so the name has been falling over the past ten years. Roughly one in every 22,785 boys born in 2025 was named Justus.
Babies named Justus per year. Source: Official national birth records.
The 145-year story
Justus first appears in the Social Security records in 1880, when 11 boys received the name. Its peak came in 2007, when 300 boys were named Justus — good for #746 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 Justus against up to 5 other names.
Uniqueness: will there be another Justus in class?
On our rarity read — which blends how common Justus is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Justus will likely be the only one in the room, with the occasional spelling-out as the price.
Where Justus is most common
State-level data for Justus 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 Justus
Statistically, parents drawn to Justus tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Jairus, Seamus, Angus, Tytus, and Marius.
JairusSeamusAngusTytusMariusMatheusJayvonJacobi
Rank history (last 25 years)
| Year | Babies named Justus | Rank |
|---|---|---|
| 2025 | 79 | #1942 |
| 2024 | 90 | #1809 |
| 2023 | 146 | #1309 |
| 2022 | 141 | #1330 |
| 2021 | 174 | #1152 |
| 2020 | 168 | #1153 |
| 2019 | 193 | #1057 |
| 2018 | 215 | #964 |
| 2017 | 203 | #996 |
| 2016 | 236 | #911 |
| 2015 | 262 | #859 |
| 2014 | 278 | #817 |
| 2013 | 270 | #811 |
| 2012 | 291 | #778 |
| 2011 | 251 | #849 |
| 2010 | 250 | #845 |
| 2009 | 289 | #784 |
| 2008 | 278 | #787 |
| 2007 | 300 | #746 |
| 2006 | 294 | #731 |
| 2005 | 277 | #729 |
| 2004 | 258 | #731 |
| 2003 | 225 | #775 |
| 2002 | 297 | #646 |
| 2001 | 261 | #689 |
Frequently asked questions
How old is the name Justus?
In official American birth records, the name Justus first appeared in 1880 (over 145 years ago), when 11 newborn boys received the name. It has over a century of continuous American history.
Is Justus a popular boy name?
Justus ranked #1942 among boys in 2025 with 79 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #859.
When was the name Justus most popular?
Justus peaked in 2007, when 300 American boys received the name (ranked #746 that year). Since 2007 the name has declined from that high.
How rare is the name Justus?
In 2025, roughly 1 in 22,785 newborn American boys was named Justus. 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.