We are many, we are diverse, we are one

We are Fitzpatricks. We have genetic diversity, we have various Irish homelands, we have narratives too many to number and we have mysteries yet to be uncovered. We are Mac Giolla Phádraig and we are Ó Maol Phádraig and we are the yet to be discovered. We are the children of great Irish ancestors who have gone before us. We are proud, we are strong, we are one under the same name, and our hearts are for eachother. To serve, to follow.

clan membership

Anyone aged 18 years or older with a family association to the surname Fitzpatrick, or it's variants, is free to apply for membership. Clan Membership costs nothing - all it takes is your time to fill out the application form and send it to us.

need help?

We have a team of dedicated and experienced researchers that well understand the road blocks you can come up against while conducting Irish research. And our DNA experts are truly the world's best in the field of Fitzpatrick-DNA research.

feeling lucky?

As luck would have it, we are offering members the chance to win a free Y-DNA SNP test (current value USD39). And there's one prize up for grabs every month. All members who choose to opt into the draw have a chance to win, but read the fine print.

Fitzpatrick Clan Society

Fitzpatrick is registered with the Guild of One-Name Studies and the Fitzpatrick Clan Society is in the process of being registered with the Clans of Ireland (Finte na hÉireann), which was established to:

Authenticate and register Irish Clans and historical families;

Promote the interests of Irish Clans and historical families;

Provide authentic and scholarly information related to Irish Clans and historical families.

What is an Irish Clan?

An Irish clan is a kinship group formed around inherited cultural identities that are real or assumed. Historically, membership of a clan was determined by use of the clan surname, living in the clan territory and sharing in the culture and heritage of the clan. Today, to belong to a clan one must at least inherit or choose to carry the clan surname and identify with the culture and heritage of the clan.

Who we are, and who are we?

The Fitzpatrick Y-DNA study, which was started 18 years ago by Dr Colleen Fitzpatrick, has found there are several large and distinct groups of Fitzpatricks.

Aligning the results of the DNA study with historical records and genealogies has enabled three of these larger genetic groups to also be defined by geographic location. They are Fitzpatrick of Ossory, Fitzpatrick of Bréifne and Fitzpatrick of Iveagh.

There are also two other large groups that we can distinguish genetically, but at this stage we are unable to identify an Irish homeland. It is possible one, or even both, of these groups are Mac Giolla Phadráig Bréifne or Ó Maol Phádraig Bréifne because there are some associations with Cavan. Until we discover more we will refer to them by their haplotype; both groups are branches of haplotype R-FGC11134.

In addition to the five larger groups mentioned, there are many smaller genetic groups that include haplotypes R-Z255, R-L513, R-M222, R-U106, I-M223 and J-M172. The L513 group is particularly interesting becuase it is strongly associated with the surname Maguire and, therefore, may represent descendants of Gilla Phádraig of Fermanagh of the Maguires.

And then there are many individuals with no close Y-DNA matches to any other Fitzpatricks; they include men identified by haplotypes R-Z253, R-CTS1751, D, E, I and Q-M242.

Many of us have a strong understanding of who we are as Fitzpatricks. But for many the question is, "Who are we?"

Whatever being a Fitzpatrick means to you, know the Fitzpatrick Clan Society warmly embraces all who have connections to the Fitzpatrick surname.

The Clans we know

Fitzpatrick of Ossory

Much has been written about the Fitzpatricks of Ossory and it is impossible to do it all justice by condensing it into a few sentences. Most of that recorded relates to the line of Brian Óg Mac Giolla Phádraig (c. 1485-1575) was the last claimant to the kingdom of Ossory (Osraige). Under surrender and regrant he was created the Baron of Upper Ossory in 1541 by Henry VIII, and in doing he assummed the surname Fitzpatrick. Fitzpatrick has remained a common surname in Counties that share the territory of ancient Osraige, viz., Kilkenny, Laois, Offaly, Tipperary and Waterford. The vast majority of Fitzpatricks who trace to Ossory and/or live there today are readily identified by their distinctive Y-DNA signature; they are haplotype FGC5494.

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Fitzpatrick of Bréifne

The swathe of territory that is Bréifne has a history of powerful chieftains, conflict and upheaval. Fitzpatricks have long been present in Bréifne with historians recording both Ó Maol Phádraig and Mac Giolla Phádraig throughout the country. The DNA study has identified at least three different haplotypes associated with Bréifne Fitzpatricks, but with Ó Maol Phádraig being absorbed into Fitzpatrick in the 17th Century it is not trivial to determine who is who. Advanced DNA test results have closely matched haplotype BY2630 (a branch of L513) with the surnames of several close Ó Maol Phadráig associates in the 17th century. Hence, our working thesis is that one type of Ó Maol Phádraig Bréifne may be BY2630. However, any Fitzpatrick who traces to Bréifne may consider themselves part of this Clan.

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Fitzpatrick of Iveagh

There are McGilpatricks clearly identified in historical records, starting with the Patent Rolls of James I, that pertain to Down and Antrim right through the 17th Century. M’Illepatrick, a variant of Mac Giolla Phádraig, is listed as one of the principal names in Upper Iveagh in the 1659 Census. Fitzpatricks of Iveagh have been genetically fingerprinted and carry the unique haplotype BY2849, which formed ca. 1150 AD. Choosing to call them Fitzpatricks of Iveagh acknowledges: (a) their rapid proliferation in that area around in the 17th Century; (b) an association with Clan Magennis; and, (c) the general location that is the modern-day homeland for very many Fitzpatricks. This Clan is by no means limited to Iveagh, there are also members who trace to Co.Kildare and Co.Louth, which offers an intriguing insight into the early roots of Iveagh Fitzpatricks.

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The Clans we don't know

Not knowing exactly where you fit, or how you connect, makes no difference to us. If you have a family association to the Fitzpatrick name, you are one of us. And perhaps we can help you uncover more about your Fitzpatricks and greater Irish roots.