Callaghan
- Meaning
- Descendant of Ceallachán; deeper meaning uncertain
- Origin
- Irish
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What does Callaghan mean?
Callaghan means “Descendant of Ceallachán; deeper meaning uncertain”.
Callaghan is an Anglicized Irish surname related to Ó Ceallacháin, meaning “descendant of Ceallachán.” Ceallachán is a diminutive of the older personal name Ceallach. The deeper meaning of that name is debated, with a connection to brightness among the proposed explanations, so the descent-based surname meaning is the most dependable starting point.
The surname is particularly associated with Munster, and its history includes the name of a tenth-century king. Callahan is another established English spelling from the same family. Used as a first name, Callaghan can preserve an Irish surname or provide a direct tribute to a relative. Callie offers a shorter form, but the full spelling retains the visible connection with the family name and its Irish-language ancestry.
Nicknames & variations
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Nicknames for Callaghan
Short forms for everyday use.
Variations & related forms
Related forms and spellings recorded for this name.
How popular is Callaghan?
United States · 2025Explore how often Callaghan is used and how its ranking has changed.
- US boys rank
- #3,002 2025 · #1 is most popular
- Boys named Callaghan
- 41 Recorded births in 2025
- Change in births
- 24.2% More than 2024
Callaghan over time
United States · Boys
Recorded births
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Yearly data & usage
Rankings are calculated separately for girls and boys. The summary highlights boys, the most common recorded usage in 2025. Use the chart’s usage selector to explore both categories.
| Year | Usage | US rank | Births |
|---|---|---|---|
| 2025 | Boys | #3,002 | 41 |
| 2025 | Girls | #12,158 | 7 |
| 2024 | Boys | #3,470 | 33 |
| 2024 | Girls | #11,316 | 8 |
| 2023 | Boys | #3,127 | 39 |
| 2023 | Girls | #15,628 | 5 |
| 2022 | Boys | #3,287 | 36 |
| 2022 | Girls | #7,345 | 15 |
| 2021 | Boys | #4,263 | 24 |
| 2021 | Girls | #15,704 | 5 |
| 2020 | Boys | #5,069 | 18 |
| 2019 | Boys | #4,989 | 19 |
| 2018 | Boys | #5,139 | 18 |
| 2018 | Girls | #16,148 | 5 |
| 2017 | Boys | #7,657 | 10 |
| 2016 | Boys | #7,688 | 10 |
| 2015 | Boys | #10,890 | 6 |
| 2014 | Boys | #8,247 | 9 |
Years reflect available birth records. Missing records do not mean zero births.
Names like Callaghan
Explore the connection, then save your favorites to compare.
Callie
Mostly girls- Meaning
- Meaning depends on the longer name
Listed as a related name to Callaghan.
Callahan
Mostly boys- Meaning
- Descendant of Cellachán
Listed as a related name to Callaghan.
Riley
Unisex- Meaning
- Rye clearing (English); Irish surname origin uncertain
Shares an origin with Callaghan.
Rowan
Unisex- Meaning
- Rowan tree; little redhead
Shares an origin with Callaghan.
Quinn
Unisex- Meaning
- Descendant of Conn, chief leader, intelligence
Shares an origin with Callaghan.
Ryan
Unisex- Meaning
- Traditionally little king
Shares an origin with Callaghan.
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