Cassi

♀ Girl

Pronounced KAS-ee /ˈkæs.i/Medium

Meaning: A short form of Cassandra (Greek, 'shining upon men'; a prophetess of Troy) or Cassidy (Irish, 'curly-haired'). A crisp, friendly nickname-name.Low

In 30 seconds: A friendly short name: Cassi shortens Cassandra or Cassidy (said 'KAS-ee'). Crisp and sunny.

💕 Browse more names

Origin LowGreek, Irish

MeaningA short form of Cassandra (Greek, 'shining upon men'; a prophetess of Troy) or Cassidy (Irish, 'curly-haired'). A crisp, friendly nickname-name.

U.S. rank (2023)#10466 ↗ Rising

2023 U.S. births9 girls (0.00% of U.S. girls)

Peak year1982

Total births (all-time)≈ 2,356

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

Cassi shortens Cassandra ('shining') or Cassidy ('curly-haired'). It reads crisp and sunny — rare on its own in the U.S. (said 'KAS-ee').

In the U.S. it appears only rarely on its own. Rare, crisp, and friendly.

Did you know? Cassi is a short form of Cassandra ('shining'; the Trojan prophetess) or Cassidy ('curly-haired') — a crisp, friendly nickname-name (said 'KAS-ee').

Overall data confidence 42%

References — Cassi — short for Cassandra/Cassidy; 'shining'/'curly-haired'

Variations

CassieCassandraCassidy

Nicknames

CassCassie

Famous Bearers

Famous bearers coming soon.

If you like Cassi…

Cassie— a like -ie spelling

Cassandra— one name it shortens

Cassidy— the other name behind it

Kaci— a like crisp K- pick

Explore names like Cassi

By themegreek short crisp friendly

All themes →All meanings →All origins →

Frequently Asked

What does the name Cassi mean?

Cassi is a short form of Cassandra ('shining upon men') or Cassidy ('curly-haired').

How do you pronounce Cassi?

It's said KAS-ee /ˈkæs.i/ — two syllables, stress on the first.

Is Cassi a boy or girl name?

Cassi is used here as a girl's name.

How popular is Cassi?

Cassi is a rare name on its own in the U.S.