County

Leitrim

Liatroim

Lough Allen provides a useful reference within a county whose northern and southern landscapes have distinct forms and connections.

Recorded locationLeitrim54.15954° N · 8.03556° WInteractive map supplied by OpenStreetMap.
Recorded place location · Logainm.ieOpen in OpenStreetMap ↗

The name

A reliable full-name meaning has not been established here. The recorded Irish and English forms are given without an unsupported translation.

Recorded forms

  • Liatroim · Irish · main form · validated name
  • Leitrim · English · main form

Place & story

Two broad landscape settings

Leitrim County Council contrasts northern table mountains and glacial glens with southern lowlands of drumlins. Lough Allen helps orient that distinction, while woodlands around Lough Rinn and the Shannon add further local variety. These are regional patterns, not a rule assigning every townland to one simple type. A hill, lake shore or valley should be examined at its own scale before a placename is explained by the county’s general appearance. [4]

Road and river centres

Lewis’s 1837 settlement accounts show two different connections. Manorhamilton served a cattle-trading district on the Enniskillen–Sligo road, while Carrick-on-Shannon joined the Dublin–Sligo road with river navigation. County history consequently involves several routes and market catchments rather than one centre serving every purpose. A household’s nearest trading town could reveal its economic connections without identifying either the parish it belonged to or the county where its land was situated. [2] [3]

The county town crosses a boundary

Carrick’s bridge linked the Leitrim town with a smaller Roscommon suburb, while Manorhamilton itself extended across parishes and baronies. Those examples show why the county name is only a first step in family research. Keep townland, parish, river bank and source date alongside it. Older regional labels and the history of estate-owning families can help interpret documents, but they should not replace the specific evidence needed to identify a property or connect successive generations. [2] [3]

Geographic information

Place type
County
County
Leitrim
Coordinates
54.15954, -8.03556
Mapped area
1,588.49 km²
Logainm ID
100018 ↗

Population over time

County Leitrim, including its cities

County population, 1841–2022

35,199people · 2022

050K100K150K200K 1841: 155,297 people18411851: 111,897 people1861: 104,744 people1871: 95,562 people1881: 90,372 people1891: 78,618 people1901: 69,343 people19011911: 63,582 people1926: 55,907 people1936: 50,908 people1946: 44,591 people1951: 41,209 people19511956: 37,056 people1961: 33,470 people1966: 30,572 people1971: 28,360 people1979: 27,844 people1981: 27,609 people1986: 27,035 people1991: 25,301 people1996: 25,057 people2002: 25,799 people2006: 28,950 people2011: 31,798 people2016: 32,044 people2022: 35,199 people2022

Figures cover the whole county including its cities. CSO recommends this series for long-term comparison, although minor boundary changes have occurred.

View population figures
County Leitrim, including its cities — census population
Census yearPopulation
1841155,297
1851111,897
1861104,744
187195,562
188190,372
189178,618
190169,343
191163,582
192655,907
193650,908
194644,591
195141,209
195637,056
196133,470
196630,572
197128,360
197927,844
198127,609
198627,035
199125,301
199625,057
200225,799
200628,950
201131,798
201632,044
202235,199

Source: CSO F1001 — Population at Each Census. CC BY 4.0. Retrieved 2026-10-25.

People & family history

Census figures refer to the matched historical census area for each year. Boundaries and spellings can change over time.

1901 census

69,436People recorded
14,548Households recorded

Most frequent surnames in this year’s matched records

  • McGowan 1349
  • Reynolds 1237
  • Rooney 1122
  • Flynn 1074
  • Kelly 938
Explore the 1901 records ↗

1911 census

63,049People recorded
13,769Households recorded

Most frequent surnames in this year’s matched records

  • McGowan 1292
  • Reynolds 1166
  • Flynn 1075
  • Rooney 1029
  • Kelly 870
Explore the 1911 records ↗

Explore this county

Up to 50 places per page, ordered by name.

Sources & further reading

  1. Logainm.ie — Leitrim. Place names and geographic record, licensed under CC BY 4.0.
  2. Manor-Hamilton — A Topographical Dictionary of Ireland (1837) · Samuel Lewis · 1837
  3. Carrick-on-Shannon — A Topographical Dictionary of Ireland (1837) · Samuel Lewis · 1837
  4. About Natural Heritage in Leitrim · Leitrim County Council
  5. Boundary geometry retains its source attribution and licence in the downloadable geographic record. Map tiles © OpenStreetMap contributors.

Name record retrieved 2026-10-25 · Source record modified 2025-01-10. How this page was prepared.