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Unique Baby Names Ending In O

Unique baby names ending in O (and the "o" sound) are among the very hottest right now, with the likes of Leo and Theo, Harlow and Margot rocketing up the popularity charts.

But there are still oodles of obscure O-ending names out there, just waiting to be discovered. We've polled our members to bring you 100+ of our website's very favorite unique O-ending baby names, from Amparo and Benno to Yarrow and Zeno.

If you want to see even more baby names ending in O, check out our complete lists of Girl Names Ending in O and Boy Names Ending in O.

If quirky baby names ending in O are your thing, find our full list of rare, uncommon, and unique names ending in o here.

Arcadia

Meaning: region offering peace and contentment

Origin:Greek
580
Avery

Meaning: ruler of the elves

Origin:English
630
Avery

Meaning: ruler of the elves

Origin:English
233
Austin

Meaning: great, magnificent

Origin:English, shortened form of Augustine
318
Austin

Meaning: great, magnificent

Origin:English, shortened version of Augustine
2727
Atticus

Meaning: from Attica

Origin:Latin
5
Aurelius

Meaning: the golden one

Origin:Latin
43
Amadeus

Meaning: lover of God

Origin:Latin
253
Ash

Meaning: ash tree

Origin:English
2726
Ash

Meaning: ash tree

Origin:Diminutive of Asher, English
284
Astro

Meaning: star

Origin:Greek
1064
Ace

Meaning: one, unity

Origin:Latin
411
Ace Ace is a common name and is traditionally a ...
Origin:Latin
6400
Atlas

Meaning: bearer of the heavens

Origin:Greek
23
Atlas

Meaning: bearer of the heavens

Origin:Greek
1830
Apollo

Meaning: destroyer

Origin:Greek mythology name
97
Arthur

Meaning: bear

Origin:Celtic
32
Asher

Meaning: fortunate, blessed, happy one

Origin:Hebrew
53
Alistair

Meaning: defending men

Origin:English spelling of Alasdair, Scottish version of Alexander
72
Archer

Meaning: bowman

Origin:English
106