Casidy Girl
Name Meaning & Origin Pronunciation: KAS-i-dee //ˈkæs.ɪ.di//
Origin: Irish; English
Meaning: Irish: Descendant of Caiside; English: Variant of Cassidy
Historical & Cultural Background
The name Casidy is derived from the Irish surname "Ó Caiside," which means "descendant of Caiside." The root "Caiside" itself is believed to be derived from the Gaelic word "caiside," meaning "curly-haired." This name was historically associated with a notable family in Ireland, particularly in the province of Ulster. As the surname evolved, it underwent various anglicizations, including Cassidy, which became more common in English-speaking contexts.
The transition from a surname to a given name occurred in the 20th century, reflecting a broader trend of using surnames as first names in English-speaking cultures. Historically, the name Cassidy has been linked to several notable figures, particularly in Irish history.
The Ó Caiside clan was prominent in medieval Ireland, and members of this family were often involved in local governance and military affairs. The name gained further recognition through its inclusion in various literary works and folklore, where characters bearing the name often embodied qualities of resilience and strength.
The name's presence in Irish mythology and its association with the Gaelic language contributed to its cultural significance. In addition to its historical roots, the name Casidy carries a sense of connection to Irish heritage and identity.
It resonates with themes of lineage and ancestry, reflecting the importance of family ties in Irish culture. The name has also been embraced in various forms, with diminutives like Cassie emerging as affectionate alternatives.
Overall, Casidy encapsulates a blend of linguistic heritage and cultural resonance, making it a name with deep historical roots.
Sibling suggestions
If you're looking for sibling name ideas that pair well with Casidy, the following options are frequently chosen as complementary choices by parents.
Similar names
Based on our extensive baby names database, several names share stylistic or phonetic similarities with Casidy. These names can serve as alternatives to the sibling suggestions listed above and may help you find the perfect complementary name for your growing family.
U.S. Historical Usage
The name Casidy was first seen in the United States in 1980.
Casidy has ranked as high as #7635 nationally, which occurred in 2001, and has been most popular in .
In the past 5 years the name Casidy has been trending down compared to the previous 5 years.
Popularity Over Time (National)
The name Casidy is part of our comprehensive baby names database, which includes Social Security Administration (SSA) data dating back to 1880—the first official year of state and national tracking. The chart below shows when Casidy was first recorded in the United States and illustrates how its popularity has risen and fallen over time.
Popularity Over Time (National) — Table
We track the national popularity of each baby name annually. The table below displays each year along with the number of births reported by the Social Security Administration. This data combines all state-level reporting from the SSA's baby names database to provide a comprehensive view of overall birth counts for Casidy.
| Year | Total Births | Girl |
|---|---|---|
| 2016 | 7 | 7 |
| 2014 | 5 | 5 |
| 2013 | 8 | 8 |
| 2012 | 10 | 10 |
| 2011 | 10 | 10 |
| 2010 | 12 | 12 |
| 2009 | 5 | 5 |
| 2008 | 12 | 12 |
| 2007 | 7 | 7 |
| 2006 | 11 | 11 |
| 2005 | 16 | 16 |
| 2004 | 12 | 12 |
| 2003 | 14 | 14 |
| 2002 | 22 | 22 |
| 2001 | 26 | 26 |
| 2000 | 20 | 20 |
| 1999 | 20 | 20 |
| 1998 | 10 | 10 |
| 1997 | 21 | 21 |
| 1996 | 16 | 16 |
| 1995 | 15 | 15 |
| 1994 | 13 | 13 |
| 1993 | 5 | 5 |
| 1992 | 8 | 8 |
| 1990 | 8 | 8 |
| 1989 | 5 | 5 |
| 1988 | 6 | 6 |
| 1986 | 7 | 7 |
| 1985 | 6 | 6 |
| 1983 | 5 | 5 |
| 1980 | 5 | 5 |
Top States for Casidy
We track the most popular states for each baby name every year and highlight the locations where the name appears most frequently. The table below shows the five states with the highest number of births for this name in the selected year. Use the toggle to expand the list to every state with reported births.
No state data available for this year.