Ostap
Meaning: “steadfast, stable”
About the name Ostap
Ostap is a boy name with Ancient Greek roots, meaning “steadfast, stable”. It is related to Eustace, which is where the meaning comes from.
It has a unique feel. In 2025, Ostap ranked #7547 for boys in the US, with 11 babies given the name. Its peak year since 1940 was 2025. Since 2000, 100% of US babies named Ostap were boys.
Etymology
Shares its root with Eustace, which comes from Ancient Greek, meaning “steadfast, stable”.
Name meaning adapted from Wiktionary (“Ostap”, “Eustace”) by Wiktionary contributors, CC BY-SA 4.0.
- US rank 2025
- #7547
- In 2015
- Not ranked
- Babies in 2025
- 11
Popularity of Ostap, 1940–2025
Latest SSA data: 2025.
Popularity data: U.S. Social Security Administration national baby names (public domain; names given to at least 5 babies of one sex per year).
Names similar to Ostap
Name meanings marked or linked “Wiktionary” are adapted from Wiktionary by Wiktionary contributors, CC BY-SA 4.0; each name page links its source entry.