Declan
uncertain; possibly 'full of goodness'
St Declan of Ardmore was preaching in the Déisi country of Waterford before Patrick's mission was complete — one of the four pre-Patrician saints of Munster. His well, oratory and round tower at Ardmore are still visited on 24 July.
- Declan Kennedy (born 1934) — Irish architect
- Declan Kidney (born 1959) — Irish rugby union footballer and coach
- Declan de Barra (born 1971) — Irish writer and musician
- Declan Costello (1926–2011) — Irish jurist and politician
- Declan Lowney (born 1960) — Irish film and television director
Irish people with an English Wikipedia article whose given name is recorded as Declan on Wikidata; descriptions from Wikidata.
Meanings follow Ó Corráin & Maguire's Irish Names and Woulfe; pronunciations give the commonest Irish-English form. Know this name better — a dialect pronunciation, a family tradition? Tell us. · All Irish names A–Z