Sy

♂ Boy

Pronounced SY /ˈsaɪ/Medium

Meaning: A pet form of names like Simon ('he has heard', Hebrew), Cyrus ('the sun; a lord', Persian), and Seymour; routes layeredLow

In 30 seconds: A pet form of Simon/Cyrus/Seymour: Sy. Crisp, homey, and warm (said 'SY').

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Origin LowHebrew, Persian

MeaningA pet form of names like Simon ('he has heard', Hebrew), Cyrus ('the sun; a lord', Persian), and Seymour; routes layered

U.S. rank (2025)#8166 ↘ Falling

2025 U.S. births10 boys (0.00% of U.S. boys)

Peak year2003

Total births (all-time)≈ 972

Popularity in the U.S. · SSA data

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

Sy is a pet form of names like Simon ('he has heard', Hebrew), Cyrus ('the sun; a lord', Persian), and Seymour (routes layered, which we note). A crisp, homey name (said 'SY').

In the U.S. it appears as a nickname-name. Rare, a-pet-form, and homey.

Did you know? Sy is a pet form of names like Simon ('he has heard', Hebrew), Cyrus ('the sun; a lord', Persian), and Seymour — a crisp, homey name (the routes are layered, which we note; said 'SY').

Overall data confidence 36%

References — Sy — nickname; routes layered

Variations

SiCySye

Nicknames

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Famous Bearers

Famous bearers coming soon.

If you like Sy…

Cy— a fellow Cyrus pet-name

Sol— a sound-neighbor short boys' name

Shai— another Hebrew name

Shayan— a fellow Persian choice

Ely— a similarly popular pick

Explore names like Sy

By themeuncertain hebrew nickname-name persian

By meaningSun

All themes →All meanings →All origins →

Frequently Asked

What does the name Sy mean?

Sy is a pet form of Simon ('he has heard'), Cyrus ('the sun'), and Seymour; the routes are layered.

How do you pronounce Sy?

It's said SY /ˈsaɪ/ — one syllable.

Is Sy a boy or girl name?

Sy is a boy's name.

How popular is Sy?

Sy is a rare name in the U.S.