Kilduff Surname

141,975th
Most Common
surname in the World

Approximately 3,137 people bear this surname

Most prevalent in:
United States
Highest density in:
Ireland

Kilduff Surname Definition:

(Celtic) a contraction of the Irish Mac- Giolla-Duibh, Son of Gilduff = the Servant or Disciple of Duff or the Dark (One) [Irish giolla, servant, &c. + duibh, genit. of dubh, dark]

Kilduff Surname Distribution Map

PlaceIncidenceFrequencyRank in Area
United States1,9751:183,52418,305
Ireland5361:8,7851,204
England3661:152,23514,507
Australia851:317,59627,389
New Zealand561:80,86311,672
Canada421:877,27667,671
Scotland141:382,41616,471
Argentina121:3,561,951138,643
Isle of Man91:9,5362,057
Wales81:386,81619,671
Thailand51:14,127,669603,945
Greece41:2,769,948101,568
Singapore41:1,376,92628,409
South Africa41:13,544,426222,367
Germany31:26,835,153452,368
China21:683,660,78330,601
Spain21:23,376,018128,922
Belgium11:11,496,644167,539
Brazil11:214,074,3321,693,628
Brunei11:418,7313,893
Sri Lanka11:20,808,56018,521
South Korea11:51,240,2568,015
Czechia11:10,633,469206,023
Philippines11:101,238,223404,861
Denmark11:5,644,71593,155
Jersey11:99,2026,620
Japan11:127,844,29373,547
PlaceIncidenceFrequencyRank in Area
Ireland3541:12,5141,694
PlaceIncidenceFrequencyRank in Area
England401:609,38430,680
Scotland31:1,247,73924,719
PlaceIncidenceFrequencyRank in Area
United States3701:135,72612,894

Kilduff Surname Meaning

From Where Does The Surname Originate? meaning and history

(Celtic) a contraction of the Irish Mac- Giolla-Duibh, Son of Gilduff = the Servant or Disciple of Duff or the Dark (One) [Irish giolla, servant, &c. + duibh, genit. of dubh, dark]

Surnames of the United Kingdom (1912) by Henry Harrison

Mac Giolla Dhuibh This is also anglicized as MacElduff. MacIlduff, Gilduff, Duff and, by translation Black. Map Gal

A Guide to Irish Names (1964) by Edward MacLysaght

(Irish) The son of the black youth.

Dictionary of American Family Names (1956) by Elsdon Coles Smith

Kilduff Last Name Facts

Where Does The Last Name Kilduff Come From? nationality or country of origin

Kilduff is carried by more people in The United States than any other country/territory. It can occur as a variant:. Click here for other possible spellings of Kilduff.

How Common Is The Last Name Kilduff? popularity and diffusion

The surname is the 141,975th most widespread last name world-wide. It is borne by approximately 1 in 2,323,094 people. The surname is primarily found in The Americas, where 65 percent of Kilduff are found; 64 percent are found in North America and 64 percent are found in Anglo-North America.

The surname Kilduff is most commonly used in The United States, where it is carried by 1,975 people, or 1 in 183,524. In The United States it is most common in: Massachusetts, where 16 percent live, Maryland, where 13 percent live and New York, where 12 percent live. Barring The United States this surname is found in 26 countries. It is also found in Ireland, where 17 percent live and England, where 12 percent live.

Kilduff Family Population Trend historical fluctuation

The frequency of Kilduff has changed over time. In The United States the number of people carrying the Kilduff surname expanded 534 percent between 1880 and 2014; in Ireland it expanded 151 percent between 1901 and 2014; in England it expanded 915 percent between 1881 and 2014 and in Scotland it expanded 467 percent between 1881 and 2014.

Kilduff Last Name Statistics demography

The religious adherence of those holding the surname is principally Catholic (100%) in Ireland.

In The United States Kilduff are 5.54% more likely to be registered with the Democratic Party than the national average, with 58.77% registered with the political party.

The amount Kilduff earn in different countries varies marginally. In United States they earn 11.29% more than the national average, earning $48,022 USD per year and in Canada they earn 12.18% more than the national average, earning $55,732 CAD per year.

Phonetically Similar Names

SurnameSimilarityWorldwide IncidencePrevalency
Killduff9319/
Kilduffe932/
Kilduf922/
Killduffe880/
Kldduff862/
Kelduff860/
Killduf860/
Kildouf860/
Kellduff800/
Killdoof671/
Kildow62890/
Killdow570/

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Footnotes

  • Surnames are taken as the first part of an person's inherited family name, caste, clan name or in some cases patronymic
  • Descriptions may contain details on the name's etymology, origin, ethnicity and history. They are largely reproduced from 3rd party sources; diligence is advised on accepting their validity - more information
  • Name distribution statistics are generated from a global database of over 4 billion people - more information
  • Heatmap: Dark red means there is a higher occurrence of the name, transitioning to light yellow signifies a progressively lower occurrence. Clicking on selected countries will show mapping at a regional level
  • Rank: Name are ranked by incidence using the ordinal ranking method; the name that occurs the most is assigned a rank of 1; name that occur less frequently receive an incremented rank; if two or more name occur the same number of times they are assigned the same rank and successive rank is incremented by the total preceeding names
  • Ethnic group cannot necessarily be determined by geographic occurrence
  • Similar: Names listed in the "Similar" section are phonetically similar and may not have any relation to Kilduff
  • To find out more about this surname's family history, lookup records on Family​Search, My​Heritage, FindMyPast and Ancestry. Further information may be obtained by DNA analysis