MallowbyNames

Clancy

KLAN-see · Son of the red warrior or descendant of the red-haired warrior.

2025 rank (boys)
#3,583
Babies named in 2025
31
Peak popularity
2024
2025 frequency
1 in 55,099 boys
Usually for
Girls & boys
Trend
Rising since 2010

Rising since 2010, #3,583 for boys today.

Popularity of Clancy since 1914

Babies named Clancy per year in U.S. Social Security records.

122537192019602000Most births 2024GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
1910s017
1920s552
1930s016
1940s062
1950s0106
1960s0106
1970s90135
1980s60156
1990s156200
2000s101187
2010s100214
2020s73174

Meaning & origin

Clancy began appearing in U.S. birth records in 1914, but it remained an uncommon choice for decades. Its trajectory shifted notably after 2010, when the name started a steady climb in usage. By 2024 it reached its peak rank of 3,583, a rise that echoes a broader trend of Irish surnames being revived as given names. In 2025, the name's rarity continues: approximately 1 in 55,099 newborns are named Clancy. Geographic concentration is modest, with Texas as the top state for Clancy births. The name's resilient rise from obscurity reflects a modern preference for surnames with strong cultural roots, particularly those of Irish origin, which lend a sense of heritage without being overly common.

Clancy is an anglicized form of the Irish Gaelic surname Mac Fhlannchaidh, meaning 'son of Flannchadh,' where Flannchadh combines flann (red, ruddy) and cath (warrior). The name originally referred to a descendant of a red-haired or red-complexioned warrior. It has been used as a given name, particularly in Ireland and the Irish diaspora, and gained some popularity in the 20th century.

Where Clancy is most popular

Births per 100,000 boys by state, 2025. The lightest shade means too few recorded births.

Sibling names for Clancy

Names that share Clancy's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

C is for Clancy, our favorite little person.

C is for Clancy…”

In a Mallowby alphabet book, Clancy's letter becomes Clancy's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Clancy's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Clancy mean?
Clancy means 'son of the red warrior' or 'descendant of the red-haired warrior,' derived from the Irish surname Mac Fhlannchaidh.
How popular is the name Clancy?
As of 2025, Clancy ranks 3,583rd in the U.S., with approximately 1 in 55,099 newborns given the name. Its popularity has been rising since 2010, and it peaked in 2024.
Is Clancy a boy's or girl's name?
Clancy is considered unisex, though it has historically been more common for boys. In recent years, it has seen increasing use for both genders.