User-created list
O - Boys' Names
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The names
Oliver
Germanic, Latin
"elf army; ancestor's relic; olive tree"
Oliver is an international star, ranking near the top of the charts throughout the English-speaking world and in a host of European and Latin American countries, from Norway to Chile, Slovenia to…
Owen
Welsh
"young warrior; well-born"
Owen, a resonant Celtic name, has ranked among the Top 100 boys' names in the US for 20 years and is now at its highest point ever. Why do so many parents love Owen? It's a classic with a genuine…
Oscar
English or Irish
"God spear, or deer-lover or champion warrior"
Oscar is one of the most stylish Old Man Names of our era. While it's softened slightly in popularity over the past 20 years, that may be considered a very good thing. In the nineties and the…
Orion
Greek
"boundary, limit"
Orion is a rising star, with both mythical and celestial overtones. The Greek mythological Orion was the legendary hunter who pursued the seven daughters of Atlas, was slain by the goddess Artemis,…
Oakley
English
"oak wood or clearing"
As sturdy as Oak, but with stronger roots as a first name, Oakley ticks lots of boxes for modern trends. With its unisex vibe, its nature-based meaning, its surname-y feel, and its popular -lee…
Ozias
Greek, Hebrew
"my strength is God"
A cool Biblical option that entered the US Top 1000 for the first time ever in 2024, Ozias gets extra points for its user-friendly nicknames Oz and Ozzie or Ozzy. Given to around 280 boys in 2024, it…
Orvis
Orvis is a masculine name with Latin roots, derived from 'orbis' meaning 'circle' or 'world'. The name may also have connections to Old Norse, possibly related to names containing 'or' elements…
Octavius
Latin
"eighth"
Octavius, which was at one time used for the eighth child in a family, has the worn leather patina of all the ancient Roman names now up for reconsideration. As a Roman family name, it derives from…
Olin
Swedish, Norwegian, English
"ancestor, to inherit, legacy; from the low-lying land"
Distinctive yet familiar, Olin is both a Scandinavian name and an English surname. Currently a rare choice, yet reminiscent of popular options, like Oliver, Orion, and Colin. Following its…
Ottavio
Italian, “eighth”
Spirited Italian form of Octavius
Oak
English tree name
"tree from the genus Quercus"
Oak, a symbol of solidity, strength, and longevity, is joining Cedar and Pine as a viable name, one that would work especially well in the middle. If you'd prefer to take the longer route to the…
Oberon
Variation of Auberon
"elf king; noble bear"
The Shakespearean character Oberon in A Midsummer Night's Dream is King of the Fairies, but the name, with its bold 'O' beginning has plenty of strength alongside its magical qualities. Oberon was…
OBSIDIAN
OCEANADES
Octavian
Latin
"eighth"
With the rise of ancient Roman names, Octavian suddenly seem plausible again. A variation of Octavius and relative of the more modern Octavio, it's an equally attractive member of the trio.
Oisin
Irish
"little deer"
Oisin is one of the most popular Irish baby names in its native land, though largely unknown in the US. The original Oisin was the mythological son of Finn McCool and Sadb, the goddess who was…
Omega
Greek
"last"
Omega is an unusual name used now equally for boys and girls, though the a ending is conventionally feminine. More popular boys' names, like Omega, end in the a sound these days: Joshua, Noah, Micah.
ORCADES
Ormond
Irish surname
"son of Ruadh"
Ormond is an Irish patronymic surname that comes from the name Ruadh, meaning red. It is particularly associated with the Butler family who became Earls of Ormond in Ireland. The name carries an…
Osric
English
"divine ruler"
Clad in armor. But while this name may have been forbiddingly antiquated not that long ago, the connection to the trendy nickname Os or Oz makes it a real possibility.