Joe Hart and Jimmy Harte can call each other cousins after the Y Chromosome DNA testing. 

Joe Hart says that DNA testing can be helpful in genealogical research, but its limitations can be frustrating as well. 

Joe Hart gives a brief tutorial on what DNA testing can and can't do in helping to track down people you're related to.  He says that Y Chromosome testing works on the direct male line over centuries.  He reports Autosomal [...]

With Jimmy Harte Suggesting the new DNA testing for family relationships, Joe Hart discusses it with an American visiting Ballinamore who is using it in researching his own family.

Joe Hart returns to the search for his great, great grandfather James Thomas Hart by getting help from a shopkeeper in the town of Kilnaleck in County Cavan.