Middle names for Onyx
Good middle names for Onyx change the rhythm, start with a different sound and end differently, so the full name doesn't blur or rhyme. Onyx has 2 syllables and ranked #365 for boys in 2025; these boy names, all well established in US records, fit those rules.
1-syllable middle names
Onyx has 2 syllables; a 1-syllable middle name gives a contrasting rhythm.
- Onyx James English form of Jacob
- Onyx Jack
- Onyx John 'God is gracious' (Hebrew Yohanan)
- Onyx Luke 'man from Lucania'
- Onyx Miles
- Onyx Charles man, free man
- Onyx Kai
- Onyx Brooks brook, stream (surname)
- Onyx Beau handsome (French)
- Onyx Myles
- Onyx Jace short form of Jason: healer
- Onyx George farmer, earth-worker
3-syllable middle names
A longer or shorter middle name also keeps the full name from sounding sing-song.
- Onyx Elijah 'my God is Yahweh'
- Onyx Theodore gift of God
- Onyx Mateo 'gift of Yahweh' (via Matthew)
- Onyx Benjamin
- Onyx Julian of Julius (Roman family name)
- Onyx Elias 'my God is Yahweh' (via Elijah)
- Onyx Gabriel 'God is my strength / man of God'
- Onyx Maverick
- Onyx Anthony
- Onyx Josiah healed or supported by God
- Onyx Isaiah God is salvation
- Onyx Christopher bearer of Christ
Classic and vintage middle names
Names that have lasted (timeless) or are coming back after a century (vintage revival), by our measured style lists.
- Onyx Anthony
- Onyx Henry home + ruler (Germanic)
- Onyx Arthur
- Onyx Vincent conquering
- Onyx Victor conqueror
- Onyx Francis Frenchman, Frank
- Onyx Theodore gift of God
- Onyx Martin of Mars
- Onyx Leo lion
- Onyx Wesley western meadow (surname)
Middle names from Onyx's era
Names whose popularity rose and fell with Onyx's, so they feel of a piece with it.
- Onyx Avyaan
- Onyx Mazi
- Onyx Eydan
- Onyx Luka Italian form of Luke
- Onyx Riggs
- Onyx Jrue
- Onyx Colson son of Coll (Nicholas)
- Onyx Kymir
- Onyx Jiraiya Japanese folk hero (from a Chinese tale)
- Onyx Kylo
Try it with your last name
The surname changes everything: a middle name that flows with Onyx can clash with your last name. Check Onyx with a middle and last name for rhythm, initials and the monogram.
How these were chosen
There is no official record of middle names, so these come from sound rules, not popularity: a different number of syllables from Onyx, a different first sound and ending, and no repeated consonant or vowel run-on where the names meet. Initials depend on your last name, so the full-name checker tests them. Candidates are names given to at least 2,500 boys in the last five years. Style groups use our measured style lists, and "same era" names are those with the most similar popularity curve to Onyx.