The goals of Irish yDNA surname projects usually include the primary one of finding of relatives in Ireland. The goals sometimes include the desire to verify paternal ancestry and the identification of place of origin of the family. A history of the clan and its various branches can also be part of the goals of Irish Surname projects.

It has been the case for years that "Irish" yDNA Surname Projects have attracted people from many countries but they held little interest for the Irish who were still resident in Ireland. The argument has been that Irish who live in Ireland “know where they come from” and don’t need to do DNA tests.

However, Irish yDNA Surname Projects really need Irish-based participants to get involved in yDNA testing, for several reasons:

• Irish-based families may wish to connect with relatives, who may have emigrated in times past, where there is no paper trail or living memory to help with making these connections. How many people in Ireland can say “most of my family emigrated in the Famine and we have no idea where they went or who their descendants are”. Or “we have no contact with branches of our family who left Ireland a long time ago”. Must this be the case? DNA can open doors for the Irish who have lost track of relatives.

•  Also, if more Irish men were involved in yDNA Surname Projects it would help the Irish diaspora who need yDNA results of Irish-based participants, to serve as "benchmarks" in their genealogical research. It is an exciting way to bridge the gap between the sometimes sad lonely emigration of the past and the modern world of global communications.

O'Brien Clan

Project Administrator: Mr. Dennis O'Brien

O'Byrne Clan

McCabe Clan

Cassidy Clan

Crowley Clan

Project Administrator Catherine Crowley Budd.

Curtin Clan

Dalton Clan

O’Dea Clan

Project administrator: Mr. Shane O’Dea, 45 Carysfort Park, Blackrock, Co. Dublin, Ireland Mobile 087-7789034

Project Administrator: Ms Elizabeth O'Donoghue

O'Driscoll Clan

Project administrator: Mr. Colin Ferguson

Egan Clan

Project Administrator: Sue Egan

Email: spe@optusnet.com.au  

Webpage:  www.familytreedna.com/public/ClanEgan/default.aspx

Flood Clan

Project administrator: Mr. Kevin Flood

O'Gara Clan

Project administrator: Dr. James O’Higgins Norman

Kavanagh Clan

Kelly Clan Association

Project administrator: Mr. Raymond Kelly

Email:   DNA Webpage:

Kenny Clan

Project Administrator:    Email 

Kyle Clan

Project Administrator: Ms Pam Rooney

Email

Larkin Clan - Muinter Lorcán

Project administrator: Brad Larkin

McGillycuddy of the Reeks

Project administrator: Dr. Brian McEvoy, Trinity College, Dublin.

MacMahon Clan

Project administrator: Michael Mitchell

Email: clanmacmahon@gmail.com

O Mahony Clan

O'Neill Clan 

Nelligan Clan

Project administrator: Megan Smolenyak Smolenyak, Ancestry.com

Project adminstrator: Desmond O’Shaughnessy

Email: dkos@btinternet.com

O'Shea Clan - Ó Séaghdha

O’Sullivan Clan

Project administrator: Shanna Sullivan Jones

Tierney Clan

Project administrator: Mr. Cahir Tierney