Petrus
Petrus is the Latin form of the Greek name Πέτρος (pétros) meaning "rock", and is the common English prefix "petro-" used to describe rock-based substances, like petros-oleum or "rock oil." As the source of Peter, it is a common name for people from antiquity through the medieval era.
Meaning & Origin of Petrus
What this name means, where it came from, and how it has traveled across cultures.
Petrus is the Latin form of the Greek name Πέτρος (pétros) meaning "rock", and is the common English prefix "petro-" used to describe rock-based substances, like petros-oleum or "rock oil." As the source of Peter, it is a common name for people from antiquity through the medieval era.
Source: Wikipedia (CC BY-SA 3.0). Read more →
The Story of Petrus
Petrus first appeared in U.S. Social Security Administration records as a baby boy name in 2012, with 5 babies given the name that year. Its peak popularity came in 2012, when 5 Petruss were born — ranking #12,271 that year. As of 2026, Petrus ranks #12,271 for baby boys with 5 births, with steady use. In total, more than 5 Petruss have been born in the U.S. since records began in 1880, spanning the 2010s through the 2020s.
Popularity Over Time
Popularity by State
Notable people named Petrus
A small selection from Wikipedia. Tap "Read more" below to see the full list on Wikipedia.
- Petrus, Saint Peter , a Christian apostle and a founder of the Church
- Petrus (archbishop of Uppsala) , third archbishop of Uppsala, Sweden, between 1187–1197
- Justinian I , whose given name was Petrus Sabbatius
Source: Wikipedia (CC BY-SA 3.0). Read more →
Names that sound like Petrus
Phonetically similar names — useful when Petrus is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Petrus
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About the name Petrus
Petrus is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 2012 and has accumulated 5 births in the dataset. Petrus's peak popularity came in 2012 when it ranked #12,271. Use the chart and map above to compare Petrus's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2012 →
- Names of the 2010s →
- Names starting with "P" →
- Browse all boy names →
- Top names of 2026 →
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.