Lucius
Boy name · #1128 in 2025 · Rare
Lucius ranks #1128 among American boys' names as of 2025, with 189 newborns given the name that year. A decade ago it stood at #1297, so the name has been rising over the past ten years. Roughly one in every 9,524 boys born in 2025 was named Lucius.
The 145-year story
Lucius first appears in the Social Security records in 1880, when 38 boys received the name. Its all-time peak is essentially right now: 2025, with 189 babies and a rank of #1128. 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 Lucius per year. Source: SSA.
Unlock the 5-year forecast and compare Lucius against up to 5 other names.
Uniqueness: will there be another Lucius in class?
On our rarity read — which blends how common Lucius is today with its five-year momentum — the name reads as "rare". A high score means genuine rarity — your Lucius will likely be the only one in the room, with the occasional spelling-out as the price.
Where Lucius is most common
Geography matters for names, and Lucius is no exception. Adjusted for how many boys are born in each state, Lucius is most common in FL (0.2 per 1,000), CA (0.1 per 1,000), TX (0.1 per 1,000) — against a national average of about 0.1 per 1,000 boys. These are per-capita rates, so they show where Lucius is a genuine regional favorite rather than just where the most babies are born.
Names like Lucius
Statistically, parents drawn to Lucius tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Lazarus, Ignatius, Caius, Kaius, and Cassius.
LazarusIgnatiusCaiusKaiusCassiusAureliusLinusArius
Rank history (last 25 years)
| Year | Babies named Lucius | Rank |
|---|---|---|
| 2025 | 189 | #1128 |
| 2024 | 135 | #1387 |
| 2023 | 154 | #1253 |
| 2022 | 161 | #1220 |
| 2021 | 134 | #1372 |
| 2020 | 154 | #1222 |
| 2019 | 144 | #1287 |
| 2018 | 128 | #1375 |
| 2017 | 124 | #1408 |
| 2016 | 160 | #1183 |
| 2015 | 137 | #1297 |
| 2014 | 122 | #1389 |
| 2013 | 125 | #1352 |
| 2012 | 118 | #1407 |
| 2011 | 127 | #1331 |
| 2010 | 129 | #1323 |
| 2009 | 130 | #1331 |
| 2008 | 127 | #1348 |
| 2007 | 140 | #1255 |
| 2006 | 136 | #1229 |
| 2005 | 109 | #1372 |
| 2004 | 70 | #1785 |
| 2003 | 48 | #2238 |
| 2002 | 51 | #2092 |
| 2001 | 47 | #2185 |
Frequently asked questions
Is Lucius a popular boy name?
Lucius ranked #1128 among boys in 2025 with 189 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1297.
When was the name Lucius most popular?
Lucius peaked in 2025, when 189 American boys received the name (ranked #1128 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Lucius?
In 2025, roughly 1 in 9,524 newborn American boys was named Lucius. On our rarity scale (rarity blended with momentum) we classify it as "rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.