NameRealm
Arlo

Arlo: name meaning, origin & popularity

Meaning
“uncertain”
Origin
Unknown
Say it
AR-loh · 2 syllables
Used for
Boys (96% of all uses)

Arlo has uncertain origins; proposed sources include an English place name, the literary name Arlo Hill, or a Spanish place name. Because its etymology is disputed, its meaning remains uncertain. The origin of this name is not settled among etymologists.

English namesSpanish namesModern namesInternational names

How popular is Arlo?

2024770 per million US babies
1880192019602000
Drag the line or the slider to read any year. Values are per million US births recorded by Social Security. Records before about 1937 undercount births, so early peaks can look taller than they were.

Babies named Arlo in 20242,564

2024 rank#146 boys

Peak year2024

Total US babies since 188022,607

Arlo is rising: use over the last five years is 7.6× what it was a decade earlier.

Names like Arlo

Variants, related forms and names with the same roots.

  • Kaisea; shell; forgiveness · Unknown
  • Garyuncertain · Unknown
  • Coreyfrom the hollow · Unknown
  • Caspianof the Caspian Sea · Unknown
  • Kyrouncertain · Unknown
  • Brayanuncertain; usually treated as Brian variant · Unknown
  • Dakariuncertain · Unknown
  • Castieluncertain, possibly of angelic literary origin · Unknown

Arlo questions

What does the name Arlo mean?

Arlo means "uncertain". It comes from Unknown. Arlo has uncertain origins; proposed sources include an English place name, the literary name Arlo Hill, or a Spanish place name. Because its etymology is disputed, its meaning remains uncertain.

Is Arlo a boy or girl name?

Arlo is mainly a boy's name in US records (96% of uses since 1880).

How popular is Arlo?

2,564 US babies were named Arlo in 2024. Its peak year was 2024.

How do you pronounce Arlo?

Arlo is usually pronounced AR-loh.

Birth counts: US Social Security Administration national data, 1880–2024 (names given to 5+ babies of a sex in a year). How we write meanings.