OCONNOR Surname Maps of Ireland

Where in Ireland does the family OCONNOR come from? Is OCONNOR a common surname in Ireland? These surname distribution maps show where people with the surname OCONNOR were recorded throughout Ireland in the 1901 and 1911 Census of Ireland. The census records are held by the National Archives of Ireland and can be searched here: National Archives Census of Ireland

OCONNOR Surname Distribution Map (1901 Census)

OCONNOR surname distribution map Ireland 1901 census

There were 14,627 people with this surname in Ireland in 1901. The surname was ranked 23rd in Ireland. MURPHY is ranked 1st since it is the most common Irish surname.

Religion: Catholic: 14,409 (98.51%), Anglican: 144 (0.98%), Other / Not Given: 54 (0.37%), Presbyterian: 10 (0.07%), Methodist: 6 (0.04%), Protestant: 3 (0.02%), Baptist: 1 (0.01%)

OCONNOR Surname Distribution Map (1911 Census)

OCONNOR surname distribution map Ireland 1911 census

There were 16,911 people with this surname in Ireland in 1911. The surname was ranked 17th in Ireland. MURPHY is ranked 1st since it is the most common Irish surname.

OCONNOR Surname Overview

  • People recorded in 1901: 14,627
  • Ireland ranking in 1901: 23rd
  • Strongest county association: Kerry

Where was the OCONNOR surname found in Ireland in 1901?

In the 1901 Census of Ireland, the surname OCONNOR had the strongest distribution in these counties:

  • Kerry — Ranked 3rd with 4,000 people
  • Limerick — Ranked 5th with 1,619 people
  • Clare — Ranked 12th with 853 people
  • Dublin — Ranked 22nd with 1,674 people
  • Cork — Ranked 23rd with 2,729 people
  • Sligo — Ranked 23rd with 410 people
  • Wexford — Ranked 30th with 526 people
  • Tipperary — Ranked 74th with 377 people
  • Waterford — Ranked 90th with 196 people

Dúchas Surname Index for OCONNOR

The Dúchas Surname Index is a set of surname associations compiled by the Irish Folklore Commission. Below is a list of these associations for the surname OCONNOR. Learn more at Dúchas Surname Index.

Meanings of the Surname OCONNOR

According to Thomas G. Gentry in his 1892 book Family Names, the Irish section states: O, descendant; Connor, from conn, of heroes, cuḃar, fond of. Grandson of Connor; descendant of those fond of heroes. O'Conner, slightly modified form.

OCONNOR in 1901 (Farmer)

Map is based on households which had at least one member who had an occupation containing "Farm" or "Agri".

OCONNOR Farmer Surname Map in 1901

OCONNOR in 1901 (Catholic)

Map shows the percentage of people with the surname OCONNOR who are Catholic in each locality

OCONNOR Catholic Surname Map in 1901

OCONNOR in 1901 (Anglican)

Map shows the percentage of people with the surname OCONNOR who are Anglican in each locality

OCONNOR Anglican Surname Map in 1901

OCONNOR in 1901 (Presbyterian)

Map shows the percentage of people with the surname OCONNOR who are Presbyterian in each locality

OCONNOR Presbyterian Surname Map in 1901

OCONNOR in Scotland

The OCONNOR Surname in Scotland

Patterns associated with the OCONNOR surname

List of consecutive consonant patterns associated with this surname:

When producing these maps, surnames are converted to uppercase. "MC" and "M'" are replaced with "MAC", and non-alphabetic characters (hyphens, spaces, apostrophes, accents) are removed. For example, Mac Vey and McVey appear together as MACVEY. O'Neill, Oneill, ONeill and Ó Néill appear together as ONEILL, and D'Arcy and Darcy appear as DARCY.

While every effort has been made to ensure accuracy, no responsibility is taken for errors in the census data. The census is available online for verification.

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