Mervyn

given name · Latin script

Recorded as a male name· opposite-gender records fall within measured source noise

Mervyn is a given name written in the Latin script, with more bearers in South Africa than in any other country. Recorded meaning: (i) from the medieval personal name Merewine, 'fame-friend'; (ii) from Marwynn and Merefinn; (iii) from Welsh Merfyn, probably 'marrow-eminent'.

rarermore common
  • ZASouth Africa≈1 in 8.2K(inferred from the name graph)
  • NZNew Zealand≈1 in 11K
  • AUAustralia≈1 in 13K

carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). Where a country counts another spelling of the name rather than Mervyn itself, the figure is that spelling’s, and it is named. One hue, darker where it is more common; hover a country for its figure.

South Africa (inferred from the name graph)

≈6,900 people, est.

2 (measured from records)

recorded for this name

Sources
283 (measured from records)

Highest-authority source

≈1 in 8.2K (inferred from the name graph)

South Africa, est.

measured from records inferred from the name graph

Name dossier (print, CSV)

Spellings & scripts(measured from records)

MervynLatin(measured from records)
เมอร์วินThai(measured from records)

One other spelling is counted as the same name:

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)

Derivation of Mervyn: each step is the form the one above it came from.
Mervyn
  1. Marwynnand(measured from records)
  2. WelshMerfyn(measured from records)

(i) from the medieval personal name Merewine, 'fame-friend'; (ii) from Marwynn and Merefinn; (iii) from Welsh Merfyn, probably 'marrow-eminent'.

Sources 1

  • Encyclopedia of surnames [the complete companion to tracing your names history]

Attested across 3 languages in the etymology graph.

Where in the world(measured from records)

Mervyn 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.

Where Mervyn is recorded, by country
CountryMost common spellingSources
ZA South Africa—≈6,900 est.≈1 in 8.2K—Mervyn62
US United States—6,257as Mervin1 in 53K6.2KMervyn283
VE Venezuela—3,954as Mervin1 in 7.2K4K——
GB United Kingdom#985≈3,600 est.≈1 in 18KlistedMervyn196
AU Australia#972≈2,000 est.≈1 in 13K4Mervyn132
NZ New Zealand#510≈430 est.≈1 in 11K12Mervyn51
GY Guyana—201as Mervin1 in 3.7K201—3

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 — First Name Frequency 2020 by sex; Australian national given names (aggregated state BDM); asosab — SAIME ID-card names (1896–1996); DIA — Baby name popularity (1900–present); Guyana — Official List of Electors July 2025. 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 names spelled this way(inferred from the name graph)

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

  • Swahili given name3 spellings in the group

    Most recorded in South Africa, Kenya, United States, United Kingdom

    Languages: Swahili, Southern Sotho

    Also written Mérvyn

53 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)

Mervyn is also recorded in one other lexicon, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

  • Anglicized form of Welsh Merfyn, now widely popular both in and beyond Wales. Variant: Mervin. Short form: Merv.

    as a nameA concise dictionary of first 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)

188019001920194019601980Mervyn Johns, b. 1899Mervyn LeRoy, b. 1900Mervyn Peake, b. 1911R. M. Hare, b. 1919Mervyn Edward Griffin, Jr., b. 1925Merv Adelson, b. 1929Mervyn Rose, b. 1930Patrick Manning, b. 1946Mervyn King, b. 1948Mervyn Warren, b. 1964
  • Mervyn Johnsb. 1899GBWelsh actor (1899–1992)
  • Mervyn LeRoyb. 1900USAmerican film director and producer (1900–1987)
  • Mervyn Peakeb. 1911GBEnglish author and illustrator (1911–1968)
  • R. M. Hareb. 1919GBnot in their usual nameBritish moral philosopher (1919–2002)
  • Mervyn Edward Griffin, Jr.b. 1925USAmerican talk show host, singer, and game show producer (1925–2007)
  • Merv Adelsonb. 1929USnot in their usual nameAmerican TV producer (1929-2015)
  • Mervyn Roseb. 1930AUAustralian tennis player (1930–2017)
  • Patrick Manningb. 1946TTnot in their usual namepolitician from Trinidad and Tobago
  • Mervyn Kingb. 1948GBBritish economist (born 1948)
  • Mervyn Warrenb. 1964USAmerican songwriter

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).

Evidence(measured from records)

Attested in 40 sources across 23 countries.

Official registers attesting Mervyn
CountryRegisterYearCountRank
US United StatesCensus Bureau — Surname Frequency 20202020202#96,572
US United StatesCensus Bureau — Surname Frequency 20102010187#97,210
US United StatesCensus Bureau — Surname Frequency 20002000160#103,706
US United Stateswru Name Dictionary — US surnames, Census 2010 subset (Khanna et al.)———

Reference works 3

  • The Oxford Dictionary of Family Names in Britain and Ireland
  • Wikipedia given-name tokens
  • Wikidata name items (native-script + romanized given/family names)

These works list the name; their figures are licensed and are not reproduced here.

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

Frequently asked questions

What does the name Mervyn mean, and where does it come from?
(i) from the medieval personal name Merewine, 'fame-friend'; (ii) from Marwynn and Merefinn; (iii) from Welsh Merfyn, probably 'marrow-eminent'. Recorded by Encyclopedia of surnames [the complete companion to tracing your names history].
Is Mervyn a male or female name?
Mervyn is a male name in our records. Opposite-gender entries fall within the cross-gender noise we measure in the source data, so we don't report them as usage.
What are other forms of the name Mervyn?
In the etymology graph, Marvin, Mervin and Merfyn are forms of the same name in other languages; Merv is a recorded short or pet form.
How common is the name Mervyn?
In the United States, the national register counted 6,257 people named Mervin in 2020, about 1 in 53 thousand residents.
How common is Mervyn compared with other names?
In New Zealand, Mervyn is the 510th most common given name of 26,737 given names recorded there.
In which country does Mervyn have the most bearers?
Mondonomo estimates about 6.9 thousand people named Mervyn in South Africa, more than in any other country we hold, where it is most often spelled mervyn.

What do you want to know about Mervyn?

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Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/mervyn

The same 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), and bulk access is licensed separately.

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, “Mervyn” — the 510th most common given name in New Zealand. Data snapshot 2026-10-10.

See how Mervyn parses inside a full name →