Obsidian
Boy · ob-SID-ee-un · English
Obsidian is a boys' name of English origin, meaning “volcanic glass”. In 2025 it ranked 5,606th for boys in the US (16 babies).
What does Obsidian mean?
English: English word, from Latin, after a Roman called Obsius
“volcanic glass”
The black volcanic glass, named in Latin after Obsius, a Roman said by Pliny to have found it in Ethiopia.
- Say it
- ob-SID-ee-un
Is Obsidian a girl's or a boy's name?
Obsidian is a boys' name. In 2025, it was given to 16 boys in the US. Too few girls were given it to be listed.
How popular is Obsidian in the US?
- Rank in 2025
- #5,606among boys
- Babies in 2025
- 16about 1 in 110,000 boys
- Five-year trend
- Risingup 67% in five years
- Same name in a class
- under 1%chance among 15 boys
In 2025, 16 boys in the US were named Obsidian, making it the 5,606th most popular name for boys. Five years earlier, in 2020, it was 6,616th. Its busiest year was 2023, with 20 boys. It first appears in the records in 2013.
Half of all the boys named Obsidian in the US since 1880 were born between 2019 and 2024, the years shaded on the chart below.
Obsidian in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 16 | #5,606 |
| 2024 | 19 | #5,063 |
| 2023 | 20 | #4,882 |
| 2022 | 18 | #5,211 |
| 2021 | 15 | #5,771 |
| 2020 | 12 | #6,616 |
| 2019 | 11 | #7,168 |
| 2018 | 10 | #7,613 |
| 2017 | 8 | #8,835 |
| 2016 | 0 | – |
| 2015 | 0 | – |
| 2014 | 0 | – |
| 2013 | 5 | #12,129 |
Names like Obsidian
Names given in the same years and the same naming tradition, with a similar sound.
Cassian Finnegan Deacon Finn Cannon Kayden Caspian Declan Raiden Ocean Ronan Kian
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