Cassidy

Cassidy has origins in Irish surnames and became a popular first name in the U — Associated with both charm and cleverness
Ireland origin · Unisex name
6% boys94% girls
#496US 2023
617Births / yr
Falling
61.1kAll-time births
📅 Since 1969🏆 1 years in top 1000.19% of births at peak
How to pronounce Cassidy
KAS·id·ee
/ˈkæs.ɪd.iː/ · stress on KAS · 3 syllables
Cassidy has origins in Irish surnames and became a popular first name in the U
Associated with both charm and cleverness · Ireland origin

What does Cassidy mean and where does it come from?

Cassidy has origins in Irish surnames and became a popular first name in the U.S. during the 1990s. Influenced by its use in popular culture, such as television shows and literature, the name is associated with both charm and cleverness. Variations include Cassie and Kassidy. Famous bearers include

Cultural significance
Cassidy has been a cherished name across cultures, particularly in Ireland-speaking communities, where it reflects values of irish.
Peak popularity
Reached #99 in 1999 — currently #496 in the US.
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Related Reading
Ireland-origin baby names with timeless appeal
Browse names →

How else can you spell Cassidy?

Same sound, different look — useful if you want something slightly more distinctive

What middle names flow best with Cassidy?

Cassidy works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Cassidy Grace
Most popular combo · classic
Cassidy Rose
Floral · soft ending
Cassidy Mae
Sweet · timeless
Cassidy Claire
French influence · crisp
Cassidy Jane
Literary · strong
Cassidy Skye
Modern · airy feel
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Middle Names
The best middle names for Cassidy
Browse ideas →

How popular is Cassidy right now?

Declining — down 18 spots — currently #496 in the US out of 135.5k tracked names

US Trend 19702023#496 · Top 0.37%
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
2020
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#496617▼ down 18 · -6% births
2022#478659stable · +1% births
2021#478655▼ down 72 · -14% births
2020#406762▼ down 149 · -38% births
2015#2571,234▼ down 8 · -4% births
2010#2491,286▼ down 60 · -30% births
2005#1891,833▼ down 82 · -42% births
2000#1073,163▲ up 1 · +4% births
1995#1083,042▲ up 364 · +484% births
1990#472521▲ up 18 · +25% births
1985#490416▲ up 591 · +218% births
1980#1081131▲ up 673 · +143% births
1975#175454▲ up 2994 · +350% births
1970#474812

The story of Cassidy

Cassidy is a relatively modern name, first appearing in US records in 1969. Its peak popularity was #99 in 1999. A total of 61,145 babies have received this name. The name has grown more popular over time, rising from #4748 in 1970 to #496 in 2023. Cassidy is used for both genders: 94% female and 6% male.

Names that peaked alongside Cassidy in 1999:

Cassidy by decade

Cassidy peaked in the 1990s. See all 1990s names →

DecadeBirths
1960s15
1970s874
1980s4,477
1990s21,559
2000s21,652
2010s11,761
2020s807

What are good nicknames for Cassidy?

ENGLISH
CassCassie
ENGLISH
Cass
ANCIENT IRISH
Caiside

How is Cassidy written in other languages?

Gender variants of Cassidy

Common questions about the name Cassidy

What does the name Cassidy mean?
Cassidy means "Irish" — a name rooted in Ireland tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Cassidy?
Cassidy is currently ranked #496 in the United States as a baby name in the US and is becoming rarer and more distinctive, making it a unique choice that stands out.
What is the cultural origin of Cassidy?
Cassidy originates from Ireland tradition. Ireland names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How do you pronounce the name Cassidy?
Cassidy is a three-syllable name pronounced K AE1 S IH0 D IY0. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
What sibling names go well with Cassidy?
Cassidy pairs beautifully with sibling names that share a similar Ireland heritage or complement its melodic and flowing sound. Names with a similar vibe create a cohesive sibling set without matching too closely.