Isobel
Meaning: “my God is an oath”
About the name Isobel
Isobel is a girl name with Hebrew roots, meaning “my God is an oath”. It is related to Isabel, which is where the meaning comes from.
It has a unique feel. In 2025, Isobel ranked #2307 for girls in the US, with 79 babies given the name. Its peak year since 1940 was 2016. Since 2000, 100% of US babies named Isobel were girls.
Etymology
A variant of Isabel, which comes from Hebrew, meaning “my God is an oath”.
Name meaning adapted from Wiktionary (“Isobel”, “Isabel”) by Wiktionary contributors, CC BY-SA 4.0.
- US rank 2025
- #2307
- In 2015
- #2098
- Babies in 2025
- 79
Popularity of Isobel, 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 Isobel
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.