Leonidus
- Last seen for boys in 2024 at #10,938
- Peak · boys
- 2008 · 16 births
- Debut · boys
- 5 births
- In top 100 · boys
- neverof 146 years
- Total births · boys
- 158since 2007
Leonidus over time
boys
Rank among boys' names. Leonidus has never cracked the top 5,000 here.
Hover or use arrow keys to read values by year; click or press Enter to open that year.
Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.
Show data table
| Year | boys | |
|---|---|---|
| rank | births | |
| 2025 | — | |
| 2024 | #10,938 | 6 |
| 2023 | #9,763 | 7 |
| 2022 | #10,863 | 6 |
| 2021 | — | |
| 2020 | #8,067 | 9 |
| 2019 | #9,756 | 7 |
| 2018 | #5,770 | 15 |
| 2017 | #10,775 | 6 |
| 2016 | #6,726 | 12 |
| 2015 | #6,324 | 13 |
| 2014 | #6,307 | 13 |
| 2013 | #8,118 | 9 |
| 2012 | #7,050 | 11 |
| 2011 | #8,767 | 8 |
| 2010 | #5,741 | 15 |
| 2009 | — | |
| 2008 | #5,487 | 16 |
| 2007 | #12,367 | 5 |
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First appearance
2007
The first year at least five boys were named Leonidus! It came in at #12,367, and was given to 5 baby boys.
Quietest stretch: 2009, when fewer than 5 boys a year got the name.
Where Leonidus is popular in 2025
No state had 5 or more boys named Leonidus in 2025, so the SSA doesn't publish it for any state.
See more about Leonidus
Momentum · boys
Faded out
- Not published in 2025; last seen 2024
Rise & fade · boys
1 yr to peak
- Debuted 2007
- Peaked 2008 at #5,487 (16 births)
- Births halved by 2009, 1 yr later
Top of the charts · boys
Never in the top 1,000
- Top 10: never
- Top 100: never
- Top 1,000: never
Share of babies · boys
1 in 121,077
- Highest: 1 in 121,077 boys born in 2018 were named Leonidus (0.00%)
- Latest: 1 in 287,148 boys born in 2024 (0.00%)
- Its best rank, #5,487 in 2008, was only 1 in 127,509 (0.00%) — a smaller share of a much bigger birth year
Era · boys
The 2010s
- 69.0% of all boys named Leonidus (109) were born in this decade
Show by decade
| Decade | Births | Best rank | Avg rank |
|---|---|---|---|
| 2000s | 21 | #5,487 (2008) | #8,927 |
| 2010s | 109 | #5,741 (2010) | #7,533 |
| 2020s | 28 | #8,067 (2020) | #9,908 |
All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.
Want to check a specific year?
See where Leonidus ranked and which names it was up against. Click a point on the chart, or pick a year: