MallowbyNames

Kiegan

KEE-gan · Of uncertain origin; possibly a modern respelling or variant of Keegan, which is an Irish surname meaning 'descendant of Aodhagán' (little fire).

Peak popularity
2008
Usually for
Boys
Trend
Holding steady

Holding steady.

Popularity of Kiegan since 1994

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

61117200020102020Most births 2008Boys
Data table (by decade)
DecadeBoys
1990s36
2000s72
2010s46
2020s6

Meaning & origin

Kiegan is a modern given name that first appeared in U.S. Social Security records in 1994, reflecting the late-20th-century trend of adapting Irish surnames as first names. It has never entered the top 1000, maintaining a rare status. The name's peak recorded year was 2008, after which its usage has remained stable. Kiegan's surname origin links it to the Irish Gaelic 'Mac Aodhagáin', meaning 'son of fire', though the spelling Kiegan itself is a contemporary respelling. Despite its low frequency, Kiegan follows the style of fashionable names like Keegan and Reagan, appealing to parents seeking a distinctive yet familiar sound. Its trajectory has been stable, with no surge or decline, and it is used almost exclusively for boys.

Kiegan is a modern variation of Keegan, an Irish surname derived from the Gaelic 'Mac Aodhagáin', meaning 'son of Aodhagán'. The root Aodh means 'fire' in Irish. As a given name, Kiegan emerged in the late 20th century, likely influenced by the popularity of similar-sounding names like Keegan and Reagan. It has never ranked in the U.S. top 1000, reflecting its rare and modern usage.

Nicknames & variants

Nicknames: Kie, Kiki

Variants: Keegan, Kegan

Sibling names for Kiegan

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

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

K is for Kiegan, our favorite little boy.

K is for Kiegan…”

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

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Questions parents ask

What does the name Kiegan mean?
Kiegan is often considered a modern respelling of Keegan, which is an Irish surname meaning 'descendant of Aodhagán' (little fire). However, its exact meaning is uncertain for the spelling Kiegan.
How popular is the name Kiegan?
Kiegan has never been in the U.S. top 1000 names. It first appeared in Social Security records in 1994 and reached its peak recorded usage in 2008.
Is Kiegan a boy's or girl's name?
Kiegan is primarily used for boys, with no recorded usage for girls in Social Security data as of 2025.