Costello


    Maps

  • Costello in 1659.
  • Costello births mapped 1864-1913
  • Costello 1901 census map
  • Costello 1911 census map
  • Costello Roman Catholic baptisms

The surname


Parishes where Costello and a second surname are found together

Surname:



Household numbers by county in Griffith's (1847-64), as on the map

Click on a county to see more detail

Surname Dictionary

Costello Very numerous: all provinces, especially Connacht and Munster. An Irish patronymic adopted by the Norman Nangles: Mac Oisdealbhaigh from os, a deer and dealbh, likeness, so "deer-like". They were seated in Mayo. Mod.Ir. Mac Coisteala. IF.
Mac Coistealbh Costello: féach Mac Oisdealbhaigh.
Mac Oisdealbh Costello: an-líonmhar: Connachta & Mumhain. Shíolraigh siad ó Oisdealbh, mac le Gilbert de Nangle (de Nógla) a bhí i gConnachta sa 12 céad. Cruthúnas gur gaelaíodh an chlann chumasach sa go luath tar éis an Ionraidh. Bhí muintir Choisteala agus muintir Mhic Dhiarmada in achrann go minic agus is as an dteannas san an eachtra ba bhun leis an amhrán "Úna Bhán" - ceann de mhór-amhráin an domhain. Fréamh: os + dealbh - ar nós fia. Litriú nua: Mac Coisteala.
O Coisdealbha rare: Connacht. Ir.Lang. See Costello.

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