McCormack
surname · Latin script
Meaning: From Gaelic 'son of Cormac', a personal name meaning literally 'raven's son' (Encyclopedia of surnames [the complete companion to tracing your names history])
(measured from records)Officially recorded in 11 countries · latest register: Census Bureau, 2020
McCormack is a surname written in the Latin script, with more bearers in the United States than in any other country: 17,449 people, counted by the Census Bureau in 2010. McCormack is also written แมคคอร์แมค in Thai.
- IEIreland≈1 in 2.3K(inferred from the name graph)
- AUAustralia≈1 in 5.1K
- GBUnited Kingdom≈1 in 7.2K
carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). Countries with no figure are shown too: flat where a national register lists the name without counting it, hatched where only our records hold it. One hue, darker where it is more common; hover a country for its figure.
- United States (measured from records)
- 2 (measured from records)
- Record sources
- 435 (measured from records)
- ≈1 in 2.3K (inferred from the name graph)
17,449 people, 2010
recorded for this name
corpus datasets behind its best-documented spelling
strongest: highest-authority source
Ireland, est.
measured from records inferred from the name graph
McCormack in other scripts: Thai
(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)From Gaelic 'son of Cormac', a personal name meaning literally 'raven's son'.
Cited for this meaning 1
- Encyclopedia of surnames [the complete companion to tracing your names history]
Attested in 1 language in the etymology graph.
Where the surname McCormack is found
(measured from records)McCormack counted together with the spellings and other-language forms grouped with it. Where a register counted another spelling, the row names it.
Sorted by bearers: national registers' counts, and Mondonomo's estimates (≈, est.) where no register counts.
| Country | Most common spelling | Sources | ||||
|---|---|---|---|---|---|---|
| US United States | — | 17,449 | 1 in 19K | 17K | McCormack | 435 |
| GB United Kingdom | #675 | ≈9,700 est. | ≈1 in 7.2K | — | McCormack | 209 |
| AU Australia | #479 | ≈5,400 est. | ≈1 in 5.1K | — | McCormack | 187 |
| CA Canada | — | ≈3,200 est. | ≈1 in 13K | — | McCormack | 168 |
| IE Ireland | #132 | ≈2,400 est. | ≈1 in 2.3K | — | McCormack | 129 |
| NZ New Zealand | #684 | ≈570 est. | ≈1 in 9.3K | — | McCormack | 94 |
| JM Jamaica | #481 | ≈270 est. | ≈1 in 11K | — | McCormack | 9 |
17,449 people counted by Census Bureau — Surname Frequency 2010, 2010. Exact figures are national registers' own counts, while figures marked ≈ and est. are Mondonomo’s estimates, counted from our sources and calibrated against those registers; hover one for how far to trust it in that country. A dash means neither exists.
Registers cited: Census Bureau — Surname Frequency 2010. Figures without a register are Mondonomo estimates; see Methodology.
Country figures for a list of names, at full precision, are available under licence rather than by scraping this table (how that works).
Other recorded senses
(measured from records)McCormack is also recorded in 3 other lexicons, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.
In English, Cyrus, US industrialist; Richard
as a namePronouncing Dictionary of Proper Names
In English, Thomas Fox, US government
as a namePronouncing Dictionary of Proper Names
In English, official
as a namePronouncing 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)- Patty McCormackb. 1945USAmerican actress
- Mary McCormackb. 1969USAmerican actress (b. 1969)
- Catherine McCormackb. 1972GBBritish actress
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)22 registers and reference works attest this spelling, across 11 countries.
Register rows as of the 2026-10-09 data build.
Frequently asked questions
- What does the name McCormack mean, and where does it come from?
- From Gaelic 'son of Cormac', a personal name meaning literally 'raven's son'. Recorded by Encyclopedia of surnames [the complete companion to tracing your names history].
- Which countries have the most people with the surname McCormack?
- In the United States, the national register counted about 17 thousand people named McCormack, more than in any other country we hold, where it is most often spelled mccormack. After it come United Kingdom, Australia, Canada and Ireland; the country table on this page ranks them.
- How common is the name McCormack?
- In the United States, the national register counted 17,449 people named McCormack in 2010, about 1 in 19 thousand residents.
- How common is McCormack compared with other names?
- In Ireland, McCormack is the 132nd most common surname of 73,729 surnames recorded there.
What do you want to know about McCormack?
Nobody replies to these one by one, but what readers ask decides what these pages answer next.
Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/mccormackThe payload this page is built from: spellings and scripts, countries and languages, related names, and the registers that attest the form. It takes a free API key (1,000 requests a day), which returns what this page shows everyone; the full country table, every register citation and the year-by-year series come with a licensed key, as does bulk access.
About this data
measured from records inferred from the name graph machine-generated
These figures come from the data snapshot of and will change as it is rebuilt.
Statistics are aggregated from the Mondonomo name corpus; related names and etymology are inferred from the name graph; pronunciation and any machine-marked transliterations are model-generated. Read how the numbers are made, including their known failure modes, and where the data comes from.
Reference works we consult — surname dictionaries, official name registers, Wikidata and Wiktionary — are named directly, beside the claims they support. The per-country source counts also include datasets of person records: we publish how many there are and their authority tier, but not their names.
Cite this page Mondonomo, “McCormack” — ranked 1936th in the United States (Census Bureau, 2010). Data snapshot 2026-10-13.