Wikipedia
Diarmaid
Diarmaid is a masculine given name in the Irish language. Earlier forms of the name include Diarmit and Diarmuit. Variations of the name include Diarmait and Diarmuid. Anglicised forms of the name include Dermot (, or Hiberno-English ) and Dermod. Mac Diarmata, anglicised McDermot and similar, is the patronymic and surname derived from the personal name. The etymology of the name is uncertain. There is a possibility that the name is derived in part from dí, which means "without"; and either from airmit, which means "injunction", or airmait, which means "envy". The Scottish Gaelic form of the name is Diarmad; Anglicised forms of this name include Diarmid and Dermid. Another Anglicised form of Diarmaid is Jeremiah.
- Diarmaid Mac an Bhaird ( fl. 1670) Irish poet
- Diarmaid Blake Gaelic footballer
- Diarmaid MacCulloch (born 1951) British church historian
- Diarmaid the Just (Irish abbot
- Diarmaid Ó Donnchadha (fl. 1418) Bishop of Kilmacduagh
- Diarmaid FitzGerald (born 1983) Irish hurler
- Diarmaid Riabach Ó Seachnasaigh (died 1579) Irish chief
- Diarmaid mac Madudan (fl.1032-1069) Chief of Síol Anmchadha
- Diarmaid Ua Madadhan (died 1135) King of Síol Anmchadha and Uí Maine
- Diarmaid Ó Cellaigh (died c.1349) King of Uí Maine
- Diarmaid Ó Seachnasaigh (died before 1567) Irish knight
- Diarmaid Ferriter (born 1973) The Irish historian
- Diarmaid Cleirech Ua Madadhan (died 1207) King of Síol Anmchadha
- Diarmaid mac Tadgh Ua Ceallaigh (died 1065) King of Uí Maine
- Diarmaid Ó Máille (died 1415) Irish chief
- Diarmaid Ó Cúlacháin (died 1221) Irish historian and scribe