Dennis

given name · Latin script

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

Dennis is a given name written in the Latin script, with more bearers in Russia than in any other country, where it is the 36th most common given name. Recorded meaning: From the male personal name Denis, via Old French and Latin from Greek Dionysios, ‘follower of Dionysos’.

rarermore common
  • DKDenmark1 in 523(measured from records)
  • PHPhilippines≈1 in 546
  • USUnited States1 in 742

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 Dennis 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.

Russia (inferred from the name graph)

≈1,100,000 named Денис, est.

#56 (measured from records)

of 15M given names

7 (measured from records)

recorded for this name

Sources
633 (measured from records)

Highest-authority source

1 in 523 (inferred from the name graph)

Denmark

measured from records inferred from the name graph

Name dossier (print, CSV)

Spellings & scripts(measured from records)

DennisLatin(measured from records)
ДенисCyrillic(measured from records)
ԴենիսArmenian(measured from records)
დენისGeorgian(measured from records)
ডেনিসBengali(measured from records)
데니스Hangul(measured from records)
ΔενηςGreek(measured from records)

5 other spellings are counted as the same name:

Locally spelled Денис in RU Russia, UA Ukraine, BY Belarus, Denisse in BR Brazil and Denis in MD Moldova.

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 Dennis: each step is the form the one above it came from.
Dennis
  1. Old Frenchand(measured from records)
  2. GreekDionysios(measured from records)

From the male personal name Denis, via Old French and Latin from Greek Dionysios, ‘follower of Dionysos’.

Sources 1

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

Attested across 16 languages in the etymology graph.

Where in the world(measured from records)

Dennis 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 Dennis is recorded, by country
CountryMost common spellingSources
RU Russia#36≈1,100,000 est.≈1 in 127#27Денис278
US United States#83448,3121 in 742447KDennis633
PH Philippines#84≈200,000 est.≈1 in 546—Dennis180
UA Ukraine#61≈160,000 est.≈1 in 283listedДенис125
BR Brazil—154,426as Denise1 in 1.4K169KDenisse45
BY Belarus#34≈61,000 est.≈1 in 15690Денис69
CZ Czechia#10552,598as Denisa1 in 20353KDennis118
MD Moldova#34720,408as Denis1 in 16520KDenis47
DK Denmark#6611,2121 in 52311KDennis168

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; IBGE — names by decade (Kaggle mirror); IBGE — Nomes (census name API); MVČR — living population register 2017; Universal Dependencies Belarusian-HSE Corpus — Person Names (UD_Belarusian-HSE); Danmarks Statistik — Hvor mange hedder...? (living-population name counts); e-services.md — living population register. 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)

Dennis is also recorded as 6 other names, grouped separately because the records behind them do not connect to the one described above.

  • Spanish given name20 spellings in the group

    Most recorded in United States, Philippines, Peru, Brazil

    Languages: Spanish, Portuguese, French

    Also written Dênnis, Dénnis, Dennís, Dënnïs, Dënnis

  • a separate name2 spellings in the group

    Also written Dênnis

  • Dutch given name3 spellings in the group

    Most recorded in Netherlands, United States, Belgium, South Africa

    Also written Dęńñīs, Dènnis

  • Indonesian given name3 spellings in the group

    Most recorded in Indonesia, Philippines, United States, Malaysia

    Languages: Indonesian, Malay

    Also written Dennís

  • Hungarian given name5 spellings in the group

    Most recorded in Hungary, United States, Sweden, Finland

    Languages: Hungarian, Finnish, Estonian

    Also written Dênnîs, Dénnís

  • Greek given name2 spellings in the group

    Most recorded in Greece, United States, Canada, United Kingdom

    Also written Δεννης

81 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)

Dennis is also recorded in 5 other lexicons, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

  • In English, From Greek Dionysos; god of wine and drama, wild/frenzied lover of wine.

    as a nameBaby names, 25,350 baby names nicknames for your family, friends pets, including the top 100 names, 2,000 most popular…

  • In English, A male given name from Ancient Greek.

    as a wordkaikki.org Wiktionary extract (IPA + transliterations)

  • In Swedish, Dennis och Denis är en engelsk respektive fransk form av helgonnamnet Dionysius, av grekiskt Dionysios ’den som är vigd till Dionysos’. I den rikssvenska almanackan 7augusti och i den finlandssvenska 9 maj.

    as a nameFörnamn i Sverige. Kortfattat namnlexikon

  • In English, English/Teutonic: merciful

    as a nameBaby names, 25,350 baby names nicknames for your family, friends pets, including the top 100 names, 2,000 most popular…

  • In English, Old French; from St. Denis

    as a nameBaby names, 25,350 baby names nicknames for your family, friends pets, including the top 100 names, 2,000 most popular…

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)

190019502000Dennis Gabor, b. 1900Dennis Tito, b. 1940Dennis Ritchie, b. 1941Dennis Edwards, b. 1943Dennis Rader, b. 1945Dennis Quaid, b. 1954Dennis Bergkamp, b. 1969Dennis Kelly, b. 1970Dennis Aogo, b. 1987Dennis Schröder, b. 1993

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 129 sources across 63 countries.

Official registers attesting Dennis
CountryRegisterYearCountRank
US United StatesCensus Bureau — First Name Frequency 2020 by sex2020447K#104
DK DenmarkDanmarks Statistik — Hvor mange hedder...? (living-population name counts)—11K#63
BR BrazilIBGE — names by decade (Kaggle mirror)20224.3K—
BR BrazilIBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname)—4.3K#3,038
BR BrazilIBGE — Nomes (census name API)—3.2K#4,461
US United StatesCensus Bureau — First Name Frequency 2020 by sex20201.4K#104
CZ CzechiaMVČR — living population register 2017—658#585
US United StatesSSA — National Baby Names (1880–present)2025381—
CZ Czechianaše jména — 2016 MVČR snapshot—329#657
DK DenmarkDanmarks Statistik — Navne til nyfødte (1985–present)1996150#46
MD Moldovae-services.md — living population register—135#815
BR BrazilIBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname)2020107—

Reference works 5

  • Nederlandse FamilienamenBank (Dutch surname bank; ex-Meertens Instituut, now CBG)2007
  • Nişanyan Adlar (Turkish given-name national-registry frequency)
  • Wikipedia given-name tokens
  • Wikipedia surname 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 Dennis mean, and where does it come from?
From the male personal name Denis, via Old French and Latin from Greek Dionysios, ‘follower of Dionysos’. Recorded by Encyclopedia of surnames [the complete companion to tracing your names history].
What are other forms of the name Dennis?
In the etymology graph, Denis, Dionisio and Dion are forms of the same name in other languages; Denny is a recorded short or pet form.
Is Dennis a male or female name?
Dennis is recorded for both men and women. We don't publish a percentage split: a record's gender belongs to the person and is attached to every given name on that record, so names in cultures where a name string also carries a parent's or spouse's given name pick up large cross-gender counts.
How common is the name Dennis?
In the United States, the national register counted 448,312 people named Dennis in 2020, about 1 in 742 residents.
How common is Dennis compared with other names?
In Russia, Dennis is the 36th most common given name of 472,143 given names recorded there.
In which country does Dennis have the most bearers?
Mondonomo estimates about 1.1 million people named Денис in Russia, more than in any other country we hold.
Where is Dennis most common?
Measured as a share of residents rather than as a count, Dennis is densest in Denmark — about 1 in 523 people — even though Russia holds more of our records for it.

What do you want to know about Dennis?

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

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, “Dennis” — the 36th most common given name in Russia. Data snapshot 2026-10-10.

See how Dennis parses inside a full name →