Welcome to the Clan McLaughlin Society Web Site, featuring the history and genealogy of the various Mclaughlin septs of Ireland and Scotland. Our primary focus is on the McLaughlin of Donegal (Tirconnell) sept, the senior branch of the northern Ui Neill, which furnished Ireland with several High Kings (Ard Ri) during the 12th century. Also featured are the O Maoilseachlainns of Meath (who assumed the surname McLaughlin in the 17th century, the two McLoughlin septs of Connacht, the McLaughlins of Fermanagh, and two additional septs, some members of which may have had their names mis-anglicised to McLaughlin. (Note: This web page requires a browser that supports frames! Best viewed at 800X600 resolution.) them.