The surname Cassidy
An Irish patronymic surname, carried by 26,590 people in the United States.
Pronounced /ˈkæsɪdi/ 3 syllables Soundex C230 Also a first name
Origin
Irish origin
From the Irish surname, Anglicized from Ó Caiside (“descendant of Caiside”), from cas (“curly-haired”).
Cassidy is a patronymic surname: formed from a father’s (or ancestor’s) given name.
One of 880 Irish surnames on this site.
Origin from Wiktionary (CC BY-SA 4.0).
How common it is
2010 US Census
There were 26,590 people named Cassidy in the United States in 2010, about 1 in every 11,611 Americans. That is up 2.2% since 2000, when the Census counted 26,011.
Who is named Cassidy
Race and Hispanic origin as people reported it in the 2010 Census
93% of people named Cassidy identified as white (not Hispanic), 2.7% as Hispanic or Latino (any race) and 2.2% as Black (not Hispanic).
- White (not Hispanic) 93%
- Hispanic or Latino (any race) 2.7%
- Black (not Hispanic) 2.2%
- Two or more races 1.4%
- Asian and Pacific Islander 0.7%
- American Indian and Alaska Native 0.4%
Famous Cassidys
20 notable people on Wikidata, most written-about first
- Katie CassidyAmerican actress and singer (born 1986)
- David CassidyAmerican actor and singer (1950–2017)
- Eva CassidyAmerican singer (1963–1996)
- Joanna CassidyAmerican actress, born 1944
- Butch CassidyAmerican Old West outlaw (1866–1908)
- Bill CassidyAmerican physician and politician (born 1957)
- Edward CassidyAustralian Roman Catholic cardinal (1924–2021)
- Christopher CassidyAmerican astronaut (born 1970)
- Raffey CassidyBritish actress, born 2001
- Ted CassidyAmerican actor (1932-1979)
- Jack CassidyAmerican actor, director, and singer (1927-1976)
- Michael CassidyAmerican actor, born 1983
Notable Cassidys come mostly from the United States (15), the United Kingdom (4) and Australia (1).
Spellings and sound-alikes
Useful when a record has your ancestor under another spelling
Other Irish surnames
Questions
- Where does the surname Cassidy come from?
- From the Irish surname, Anglicized from Ó Caiside (“descendant of Caiside”), from cas (“curly-haired”).
- How common is the surname Cassidy?
- 26,590 people in the United States had the surname Cassidy in the 2010 Census, about 1 in every 11,611 Americans. It ranked 1,325th of 162,253 surnames.
- What ethnicity is the surname Cassidy?
- In the 2010 Census, 93% of people named Cassidy identified as white (not Hispanic), and 2.7% as Hispanic or Latino (any race).
- Who is the most famous person named Cassidy?
- Katie Cassidy, American actress and singer (born 1986), followed by David Cassidy.
- Where is the surname Cassidy most common?
- Wikidata records people named Cassidy in the United States, the United Kingdom and Australia.
- How do you pronounce Cassidy?
- Cassidy is /ˈkæsɪdi/, 3 syllables.
- What type of surname is Cassidy?
- Cassidy is a patronymic surname, formed from a father’s (or ancestor’s) given name.
- Is the surname Cassidy getting more or less common?
- More common. 26,011 people carried it in the 2000 Census and 26,590 in 2010, up 2.2%.
- What are other spellings of Cassidy?
- Casady, Cassda, Casada, Cassaday, Cassady and Cassedy.
- Is Cassidy also a first name?
- Yes. Cassidy is used as a first name as well as a surname; its first-name page has the meaning and how many babies were given it.