Boy · #10,889 in 2026

Leonidus

Name: Popularity of the name Leonidus in U.S. births, 1880–2026
Creator: U.S. Social Security Administration
License: https://www.ssa.gov/foia/
Keywords: Leonidus, baby name, popularity, U.S., SSA, rankings

Current Rank

#10,889

Peak Rank

#5,486 (2008)

Total Babies

157

5-Yr Trend

-30%

2007

First Year

2024

Last Year

2008

Peak Year

#5486

Peak Rank

157

Total Count

Years Active

The Story of Leonidus

Leonidus first appeared in U.S. Social Security Administration records as a baby boy name in 2007, with 5 babies given the name that year. Its peak popularity came in 2008, when 16 Leoniduss were born — ranking #5,486 that year. As of 2026, Leonidus ranks #10,889 for baby boys with 6 births, falling sharply (-30%). In total, more than 157 Leoniduss have been born in the U.S. since records began in 1880, spanning the 2000s through the 2020s.

Popularity Over Time

Popularity by State

Top 10

11-50

51-100

101-500

500+

No data

Names that sound like Leonidus

Phonetically similar names — useful when Leonidus is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.

Leonidas
Leonids
Leonides
Leonotis
Leonida
Lepidus
Luanda
Lantus
Landess
Llamada
Lentus
Landis

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Leonidus

What does the name Leonidus mean?

Leonidus is a boy's name that has been used in U.S. records since 2007. Behind the Name doesn't list a specific etymology, but the name has remained in use across multiple decades.

How popular is Leonidus in 2026?

In 2026, Leonidus ranks #10,889 among boys' names in the U.S., with 6 babies given the name that year.

When was Leonidus most popular?

Leonidus reached its peak popularity in 2008, ranking #5,486 that year with 16 babies given the name.

Is Leonidus a unisex name?

In U.S. Social Security records, Leonidus is primarily a boy's name. We don't have meaningful data for it as a girl's name.

What names go well with Leonidus?

Names that share a similar style or popularity range with Leonidus include Karron, Damieon, Brenon. These pairings are based on rank proximity and naming era in U.S. data.

About the name Leonidus

Leonidus is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 2007 and has accumulated 157 births in the dataset. Leonidus's peak popularity came in 2008 when it ranked #5,486. Use the chart and map above to compare Leonidus's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

Continue exploring

Data sources

Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
Predicted nationality distribution — Nationalize.io .
Phonetically similar names — Datamuse .

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.