Kiernan

Spellings & scripts●(measured from records)

Spellings marked ● are how people bearing the name write it in our records, and ○ marks a model's transliteration; click a spelling to open its page.

Meaning & origin●(measured from records)

Often considered alongside

Names that people choosing a name often weigh against Kiernan, most often first. They share a style rather than an origin.

• Ciaran
• Cian
• Cormac
• Cillian
• Declan
• Eamon
• Lachlan
• Brennan
• Lorcan
• Conor
• Keegan
• Irish

From the names suggested together in public name-advice forums, in English. A list of what people consider, not a measure of how common any name is.

Other names spelled this way◐(inferred from the name graph)

Kiernan is also recorded as another name, grouped separately because the records behind them do not connect to the one described above.

• Korean surname2 spellings in the group

  Most recorded in United States, South Korea, United Kingdom

  Also written 키어넌

45 further groups record this spelling and are not listed here.

Grouping is the name graph's, not a register's: two spellings join a group when the evidence links them, so a group is a claim about the records rather than about the people.

Other recorded senses●(measured from records)

Kiernan is also recorded in 2 other lexicons, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

• In English, A different form of McKiernan.

  as a name·Encyclopedia of surnames [the complete companion to tracing your names history]

• In English, Edward J., labor union official

  as a name·Pronouncing Dictionary of Proper Names

Ordered by how much of this spelling's record each language holds, so a sense from a language the name is barely used in sits last rather than first.

Notable people with this name●(measured from records)

• Francis Kiernanb. 1800IEAnatomist and physician (1800–1874)
• Kitty Kiernanb. 1892IEfiancée of Michael Collins (1892–1945)
• William Kiernanb. 1908USset decorator (1908-1973)
• Ian Kiernanb. 1940AUAustralian environmentalist
• Ben Kiernanb. 1953AUAustralian-born American historian (born 1953)
• Caitlín R. Kiernanb. 1964USwriter
• Pat Kiernanb. 1968USCanadian-American television host
• Denise Kiernanb. 1968USAmerican writer
• Rob Kiernanb. 1991IEIrish footballer
• Brendan Kiernanb. 1992GBEnglish footballer (born 1992)

The ten people covered by the most Wikipedia language editions — a proxy for cross-cultural notability, which favours historical and Western figures over equally prominent contemporary ones — shown by birth year. Source: Wikidata (CC0).

How to address them○(machine-generated)

Evidence●(measured from records)

Register rows as of the 2026-10-09 data build.

Frequently asked questions

What does the name Kiernan mean, and where does it come from?

reduced form of McKiernan, an Anglicized form of Gaelic Mac Thighearnain ‘son of Tigheaman' (see Tiernan). Recorded by Dictionary of American Family Names.

How do you pronounce Kiernan?

A machine transcription gives /ˈkɪɹnən/ (IPA) for English.

In which country does Kiernan have the most bearers?

In the United States, the national register counted about 6.0 thousand people named Kiernan, more than in any other country we hold, where it is most often spelled kiernan.

Where is Kiernan most common?

Kiernan is densest in the United States, where the national register counts about 1 in 56 thousand people carrying it.

How common is the name Kiernan?

In the United States, the national register counted 5,966 people named Kiernan in 2010, about 1 in 56 thousand residents.