Louth comes from the Irish “Lú,” possibly meaning “small” or named after the Celtic god Lugh, associated with light or skill. The etymology is rooted in Old Irish, likely tied to mythology or geography. The first recorded use of “Lú” appears in the Annals of Tigernach around the 7th century, with “Louth” adopted in English records by the 12th century during Norman settlement.
How the county got its name
Antrim – Armagh – Carlow – Cavan – Clare – Cork – Derry – Donegal – Down – Dublin – Fermanagh – Galway – Kerry – Kildare – Kilkenny – Laois – Leitrim – Limerick – Longford – Louth – Mayo – Meath – Monaghan – Offaly – Roscommon – Sligo – Tipperary – Tyrone – Waterford – Westmeath – Wexford – Wicklow
County Louth:
Ireland’s county Louth is a county of historic depth and coastal beauty, with Drogheda’s St Peter’s Church housing a historic shrine and the Boyne Valley offering ancient sites like Newgrange, a UNESCO-listed passage tomb just over the border in county Meath. Carlingford’s medieval streets and castle provide scenic walks, while Dundalk’s coastal paths add natural allure. Other attractions include the Cooley Peninsula’s hiking trails. Louth is Ireland’s smallest county by size (821 sq km) and 17th largest by population (139,703). Population peaked at 128,240 in 1841 and reached its lowest point, 63,665 in 1926. In terms of hospitality, Louth is Ireland’s 21st most visited tourist county with around 108,000 international visitors per year.
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