surnames.ie

Surnames by county · Leinster

Most common surnames in County Louth

Murphy was the commonest surname in Co. Louth in 1911: 1,150 people, about one resident in 55. It was followed by Byrne, Kelly, O'Reilly and Carroll.

Counts are people living in the county on census night, with spelling variants combined (Sullivan and O'Sullivan count as one name).

Donegal Waterford Dublin Kilkenny Carlow Limerick Louth Tipperary Roscommon Meath Wicklow Cavan Cork Clare Galway Mayo Sligo Leitrim Offaly Laois Kildare Kerry Monaghan Wexford Longford Westmeath Tyrone Antrim Armagh Fermanagh Londonderry Down

The 25 commonest names, 1911

#SurnamePeoplePer 10,00019011926
1 Murphy 1,150 183 1 1
2 Byrne 1,056 168 2 2
3 Kelly 699 111 3 7
4 O'Reilly 635 101 7 4
5 Carroll 631 100 4 6
6 Smith 625 99 6 3
7 Duffy 619 98 5 9
8 Clarke 613 97 8 5
9 McArdle 535 85 10 8
10 Callan 517 82 11 10
11 Mathews 484 77 9 22
12 Hanlon 466 74 15 21
13 Hughes 461 73 14 20
14 Hoey 432 69 18 16
15 Maguire 423 67 12 18
16 Rice 416 66 13 28
17 O'Neill 398 63 19 17
18 Woods 396 63 23 19
19 O'Connor 383 61 21 14
20 McDonnell 383 61 22 12
21 Campbell 371 59 16 15
22 Lennon 370 59 20 24
23 Boyle 359 57 17 33
24 Morgan 355 56 26 30
25 McKeown 346 55 34 11

The 1901 and 1926 columns give the name's rank in the county in that year; a dash means it was outside the top 40. Linked names have a full page with meaning, Irish forms and history.

Names most typical of Louth

Among the 100 commonest Irish surnames, these were the most over-represented in Co. Louth in 1911, compared with their share of Ireland's population as a whole.

  1. Duffy 3.55× 619 people · 98 per 10,000
  2. Carroll 3.05× 631 people · 100 per 10,000
  3. McDonnell 3.01× 383 people · 61 per 10,000
  4. Clarke 2.85× 613 people · 97 per 10,000
  5. McCann 2.81× 290 people · 46 per 10,000
  6. Hughes 2.76× 461 people · 73 per 10,000
  7. McKenna 2.63× 324 people · 51 per 10,000
  8. Byrne 2.48× 1,056 people · 168 per 10,000
  9. Maguire 2.31× 423 people · 67 per 10,000
  10. Cunningham 2.27× 293 people · 47 per 10,000

Questions about surnames in Louth

What is the most common surname in County Louth?

In the 1911 census the most common surname in Co. Louth was Murphy, with 1,150 people, or about one resident in 55. The next most common were Byrne, Kelly, O'Reilly and Carroll. Murphy was still the commonest name in 1926.

Which surnames are most typical of County Louth?

Compared with Ireland as a whole, the names most over-represented in Co. Louth in 1911 (among the 100 commonest Irish surnames) were Duffy (3.55× the national rate), Carroll (3.05× the national rate), McDonnell (3.01× the national rate).

Ancestors from County Louth?

Browse every townland and household in Co. Louth in the 1901, 1911 and 1926 censuses.

Louth records on irishcensus.com