O Draddy - Irish / Ua Dreada. A Sept / Family branch, who had their territory in Co. Cork in Des Mhumhain / Desmond / Southern Munster. Also used as a synonym for O Drudy, which see - Irish / Ua Draoda in the Connacht Province.

O Draffin - Irish / Ua Druifin. A Sept / Family branch, who had their territory in Co. Cavan and nearby in Co. Monaghan in Southern Ulster.

Drake / dragon - English Barns who had their Estates at Drakerath and Drakestown in Co. Meath in the south - east of Northern Leinster since the 13th Century AD.

Drake / dragon. English origins into Ireland with the Oliver Cromwell Invasion and were at Drakestown in Co. Wexford in the south - east of Southern Leinster.

Draper. English occupational origins initially at Draperstown in Co. Derry in the north - east of the Ulster Province in the 17th Century AD after the confiscation of the 3,500,000 acres of the Heremonian Dal Cuinn northern"" Ui Niaill territories there and the foreign non - Catholic plantations there. Later they were in Co. Cork in Desmond / Southern Munster.

Dreelan. English origins or be a variant of Dreeland or may be of Norman origins / de Druhull known in Irish as An Drithleanach who were in Co. Kilkenny in the south - west of Southern Leinster in the 15th Century AD. Dreiling was also used there in the 17th Century AD.

O Dreenan. A Sept / Family branch - who had their territory in Co. Galway in Southern Connacht.

O Drennan - Irish / Ua Draighnean - draighnean (blackthorn). A Cenel Suedna Sept / Family branch, who had their territories on the border of Co. Clare in the north - west of the Munster Province and Co. Galway in Southern Connacht who were the Chiefs of Slieve Eise and Fin there. Some also changed to Thornton there.

O Drew - Irish / Ua Draoi. A Sept / Family branch, who had their territory in Co. Clare in the north - west of Tuaiscert Mhumhain / Thomond / Northern Munster. O Drury and O Drea were also used as variations. See also Drough.

Drew. English origins -

Drewry. See Drury.

O Drinan. A Sept / Family branch, who had their territory in Co. Clare in the north - west of Tuaiscert Mhumhain / Thomond /  Northern Munster. Also used as a variant of Drennan, which see, in Co. Cork in Desmond / Southern Munster.

O Driscoll - Irish / Ua hEidersceoil. later Ua Drisceoil / Eidersceol (the bearer of news.) Gaelic Ithian Lughadian Darinian Corca Luighe / Laoighde  aristocratic warrior Sept / Family branch who had their territory at first in the south of Co. Kerry and thenin Co. Cork in Southern Munster, who were based on the Erainn Fir Bolg Celts there. They also had their territory in the south of Co. Kerry in the south - west of Des Mhumhain / Desmond / Southern Munster then nearby in the west of Co. Cork in Desmond / Southern Munster where they were Chiefs and Kings. As aristocratic Gaelic Celts they were to be descended from 35.Ith. After the Gaelic Milesians gained control over Erinn the original Clanns there were also Celts and in the Tuaths / Family regions they integrated with each other especially with the Eireann Fir Bolg. They remained Celtic for over a 1,000 years until the coming of the Teutonic Vikings in 780 AD and later still the Teutonic Anglo - Norman English who invaded in 1169 AD. The O Driscolls take their name from their King, 75.Eidersceol who lived in the 10th Century AD and their original territory was in the west of Co. Cork near Baltimore and Skibbereen. They were to survive there until the 17th Century AD as an Irish aristocratic Family until they were totally ethnically and religiously suppressed by the English. Earlier on in 1537 AD the forces of Henry V111 destroyed their Castles at Baltimore in Co. Cork and at Dunalong while oppressing the Irish Catholic Families there. The O Driscolls also had their own Franciscan Friary, which was on the south - east border of Co. Cork and Co. Waterford in Aur Mhumhain / Ormond / North Eastern Munster in the territory of the Deisi Mhumhain.

Ancestors: *59.Lewy / Lughaidh mac con - (the son of the hound) whose epithet came about because as a sickly young youth he suckled the teats of his favourite greyhound, Ealor Dearg, and later on was to become the Ithian 113th King of Tara / Ireland when his uncle, *84.Art - the Lonely the Heremonian Dal Cuinn 112th King of Tara / Ireland and 6 of *58.Lewy's Heberian half - brothers from 84.Sadhbh were slain in battle against him and his Brythonic and Fir Bolg allies. (These 6 brothers were to be the sons of 84.Ailill Oluimm the Heberian 1st King of Munster and 84.Sadhbh who he had married as a widow after 57.Marcelline Mac Niadh's demise. This was to be a very decisive victory in a battle that occurred over *58.Lewy Mac con's determination to have a turn at the Munster Kingship, which also then allowed him to secure the overall Kingship of Tara / Ireland instead in his own right for 27 years, until he was to be removed from the position. He was then slain in 225 AD by Fergus / Feircis Dubh - Dheadach, a son of Imchad / Coman Eces who then became the Heremonian Ui Cobhthaigh 114th King of Ireland for one year only. *58.Lewy Mac con had 5 sons, (1) Fothach Airgthach who would be the 118th King of Ireland jointly with his brother, (2) Fothach Cairpreach the 119th King of Ireland who in 285 AD slew his brother and was slain himself soon thereafter in the Battle of Ollarbha, (3) Duach the ancestor of the O Connells, the O Hennessys, the Mac Eircs etc, and (4) Fothach Canaan ancestor of the O Barrys / Ui Baire, the Mac Alins / Mac Colums the Earl of Argyle, and 60.Angus / Oenghus / Aeneas Gaifhuileach the ancestor of the O Coffeys of Munster. One of these 4 brothers is also the ancestor of the O Hallinans.

O Drislane - Irish / Ua Drislean - dris (briar). A Sept / Family branch, who had their territory in Co. Co. Cork in Des Mhumhain / Desmond /  Southern Munster.

O Droghan or O Drohan - Irish / Ua Druachain. A Sept / Family branch, who had their territory in Co. Cork in Des Mhumhain / Desmond / Southern Munster. Now also in Co. Waterford in the south - east of Aur Mhumhain /  Ormond / North Eastern Munster and nearby in Co. Kilkenny in the south- west of Southern Leinster and Co. Wexford in the south - east of Southern Leinster.