Sj

♂ Boy

Pronounced ES-jay /ˈɛs.dʒeɪ/Medium

Meaning: A modern initial-name from the letters S and J (often the initials of a first and middle name, as in a 'Junior'); no fixed meaning; routes uncertainLow

In 30 seconds: An initial-name; the letters S and J: Sj. Crisp, modern, and warm (said 'ES-jay').

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Origin LowAmerican

MeaningA modern initial-name from the letters S and J (often the initials of a first and middle name, as in a 'Junior'); no fixed meaning; routes uncertain

U.S. rank (2024)#9713 ↗ Rising

2024 U.S. births8 boys (0.00% of U.S. boys)

Peak year2024

Total births (all-time)≈ 42

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

Sj is a modern initial-name from the letters S and J (often the initials of a first and middle name, as in a 'Junior'); no fixed meaning (routes uncertain, which we flag honestly). A crisp, modern name (said 'ES-jay').

In the U.S. it appears very recently as an initial-name. Rare, an-initial-name, and crisp.

Did you know? Sj (SJ) is a modern initial-name from the letters S and J — often initials of a first and middle name — a crisp, modern name we flag honestly (routes uncertain; said 'ES-jay').

Overall data confidence 16%

U.S. Social Security Administration name files — initial-name; routes uncertain

Variations

SJEsjay

Nicknames

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Famous Bearers

Famous bearers coming soon.

If you like Sj…

Aj— a fellow initial-name

Cj— a companion initial-name

Tj— a sound-adjacent initial-name

Dj— a kin initial-name

Explore names like Sj

By themeuncertain english american initial-name

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Frequently Asked

What does the name Sj mean?

Sj (SJ) is a modern initial-name from the letters S and J; it has no fixed meaning, so we flag it.

How do you pronounce Sj?

It's said ES-jay /ˈɛs.dʒeɪ/ — two syllables.

Is Sj a boy or girl name?

Sj is a boy's name.

How popular is Sj?

Sj is a very rare name in the U.S.