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Home › Baby Names Directory › Rilo

Rilo

♂ Boy

Pronounced REE-loh /ˈriː.loʊ/Medium

Meaning: Rilo is a short modern coinage with no documented source. It reads as an -o name in the company of Milo, Arlo, and Theo, and may be heard as a play on Riley. The routes are uncertain, which we note.Low

In 30 seconds: Small and sunny: Rilo joins the Milo and Arlo family of -o names (said 'REE-loh'). Routes uncertain, which we note.
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Origin LowEnglish, American
MeaningRilo is a short modern coinage with no documented source. It reads as an -o name in the company of Milo, Arlo, and Theo, and may be heard as a play on Riley. The routes are uncertain, which we note.
U.S. rank (2024)#13775 ↘ Falling
2024 U.S. births5 boys (0.00% of U.S. boys)
Peak year2018
Total births (all-time)≈ 50

Popularity in the U.S. · SSA data

peak 202220082024

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Rilo has no older history. It is a modern coinage that fits neatly into the popular -o family of boys' names — Milo, Arlo, Theo, Enzo — and may be heard by some as a play on Riley. Bright, light, and easy in the mouth; the routes are uncertain, which we note (said 'REE-loh').

It appears only very rarely in U.S. use. Very rare, sunny, and modern.

Did you know? The -o names — Milo, Arlo, Theo, Rilo — have swept modern naming for their brightness and ease. Rilo is the newest of them, a coinage with no documented source, and the routes are uncertain, which we note.
Overall data confidence 28%
References — Rilo — Modern short coinage; routes uncertain

Variations

RyloRilosRilu

Nicknames

RiLo

Famous Bearers

  • Famous bearers coming soon.

If you like Rilo…

Milo— the -o name Rilo echoes most
Arlo— a like bright, short -o pick
Theo— a same-era, same-shape favourite
Rio— a close cousin in sound

Explore names like Rilo

By themeuncertainmoderncoinedshort

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Frequently Asked

What does the name Rilo mean?

Rilo is a short modern coinage with no documented meaning; it sits with the -o names like Milo and Arlo. The routes are uncertain, which we note.

How do you pronounce Rilo?

It's said REE-loh /ˈriː.loʊ/ — two syllables, stress on the first.

Is Rilo a boy or girl name?

Rilo is used as a boy's name.

How popular is Rilo?

Rilo is a very rare name for boys in the U.S.

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