Home › Baby Names Directory › Obsidian
Obsidian
Pronounced əb-SID-ee-ən /əbˈsɪd.i.ən/High
Meaning: From the word obsidian — Latin obsidianus, a glossy black volcanic glass (named after Obsius, who reputedly found it)Medium
Popularity in the U.S. · SSA data
U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.
SSA data updated May 2026. How we source & verify this data.
History & Origin
Obsidian comes from the word obsidian — Latin obsidianus, a glassy black volcanic stone (named, per Pliny, after Obsius, who reputedly first found it), long prized for sharp blades, mirrors, and ornaments. A bold, sleek, striking gemstone/word-name; nickname Sid or Obi.
It registers thinly in records. Rare, a-black-volcanic-glass at the root, and striking.
Variations
Nicknames
Famous Bearers
- Famous bearers coming soon.
If you like Obsidian…
Explore names like Obsidian
Frequently Asked
What does the name Obsidian mean?
Obsidian is the word for 'a black volcanic glass' (a gemstone-name).
How do you pronounce Obsidian?
It's said əb-SID-ee-ən /əbˈsɪd.i.ən/ — four syllables, stress on the second.
Is Obsidian a boy or girl name?
Obsidian is a boy's name (used for both).
How popular is Obsidian?
Obsidian is a very rare name in the U.S.













