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 #541 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 Leah
One syllable · timeless choice
Cassidy Quinn
One syllable · timeless choice
Cassidy Blair
One syllable · on the rise
Cassidy Ruth
One syllable · timeless choice
Cassidy Wren
One syllable · vintage charm
Cassidy Faith
One syllable · vintage charm
How popular is Cassidy right now?
Falling — down 63 spots — currently #541 in the US out of 135.5k tracked names
| Year | US Rank | Births | vs Prior Year |
|---|
| 2025 | #541 | 558 | ▼ down 63 · -14% births |
| 2024 | #478 | 646 | ▲ up 18 · +5% births |
| 2023 | #496 | 617 | ▼ down 18 · -6% births |
| 2022 | #478 | 659 | stable · +1% births |
| 2021 | #478 | 655 | ▼ down 72 · -14% births |
| 2020 | #406 | 762 | ▼ down 149 · -38% births |
| 2015 | #257 | 1,234 | ▼ down 8 · -4% births |
| 2010 | #249 | 1,286 | ▼ down 60 · -30% births |
| 2005 | #189 | 1,833 | ▼ down 82 · -42% births |
| 2000 | #107 | 3,163 | ▲ up 1 · +4% births |
| 1995 | #108 | 3,042 | ▲ up 364 · +484% births |
| 1990 | #472 | 521 | ▲ up 18 · +25% births |
| 1985 | #490 | 416 | ▲ up 591 · +218% births |
| 1980 | #1081 | 131 | ▲ up 673 · +143% births |
| 1975 | #1754 | 54 | — |
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 →
| Decade | Births | |
|---|
| 1960s | 15 | |
| 1970s | 874 | |
| 1980s | 4,477 | |
| 1990s | 21,559 | |
| 2000s ★ | 21,652 | |
| 2010s | 11,761 | |
| 2020s | 2,123 | |
What are good nicknames for Cassidy?
What names sound and feel like Cassidy?
Based on sound, origin, and style — parents who love Cassidy also consider these
How is Cassidy written in other languages?
What are the boy versions 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 KAS-id-ee. 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.