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The Kissane Surname Y-DNA Project is open to all persons with the surname Kissane, Cashman, Cussane, Gussane, Patterson.
The original Irish form is O Ciosain.
Kissane is the form found in Co. Kerry. Cashman is the form found in Co. Cork. Cussane and Gussane are rare and found in Co. Clare.
At last count, FamilyTree DNA showed five persons of name Kissane have had their DNA tested at FamilyTree DNA.
Further information re the origins of the Kissane surname can be found under the Kissane Surname Project at FamilyTree DNA.