Radnor

From the red river
United Kingdom origin · Boy name
97% boys3% girls
#11681US 2025
6Births / yr
Rising
12All-time births
How to pronounce Radnor
RADN·er
/ˈrædn.ɝ/ · stress on RADN · 2 syllables
From the red river
United Kingdom origin · Boy name

What does Radnor mean and where does it come from?

Radnor is of Welsh origin, deriving from 'rhaeadr,' which means 'waterfall' or 'river,' combined with 'nwr,' meaning 'red.' The name is regionally significant in Wales, where it is used as a surname or a place name, such as the historic county of Radnorshire. It may also have associations with histo

Cultural significance
Radnor has been a cherished name across cultures, particularly in United Kingdom-speaking communities, where it reflects values of from the red river.
Peak popularity
Reached #11681 in 2025 — currently #11681 in the US.
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Related Reading
United Kingdom-origin baby names with timeless appeal
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How else can you spell Radnor?

Same sound, different look — useful if you want something slightly more distinctive

What middle names flow best with Radnor?

Radnor works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Radnor Jack
One syllable · timeless choice
Radnor John
One syllable · timeless choice
Radnor Luke
One syllable · timeless choice
Radnor Miles
One syllable · vintage charm
Radnor Beau
One syllable · on the rise
Radnor Brooks
One syllable · timeless choice
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Middle Names
The best middle names for Radnor
Browse ideas →

How popular is Radnor right now?

Rising fast — up 327 spots — currently #11681 in the US out of 135.5k tracked names

US Trend 20212025#11681 · Top 8.6%
2021
2024
2025
YearUS RankBirthsvs Prior Year
2025#116816▲ up 327
2024#120086▲ up 1603 · +20% births
2021#136115
💎Radnor is exceptionally rare — it does not appear in US Social Security records, meaning fewer than 5 babies per year have received this name.

What are good nicknames for Radnor?

Common
RadRaAdnor

Common questions about the name Radnor

What does the name Radnor mean?
Radnor means "From the red river" — a name rooted in United Kingdom tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Radnor?
Radnor is currently a distinctive and less common name as a boy name in the US and is holding steady in popularity, a reliable classic that parents consistently choose.
What is the cultural origin of Radnor?
Radnor originates from United Kingdom tradition. United Kingdom names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How do you pronounce the name Radnor?
Radnor is a two-syllable name pronounced RADN-er. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
Is Radnor a common or rare name?
Radnor is a distinctive choice that balances familiarity with individuality. It strikes a balance between standing out and fitting in.