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This project is out of date and has been split apart.
The yDNA of the Cork-based surname HOURIHANE is now handled in the Cork Ireland project.
Check the Horgan project for yDNA analysis of HARRIGAN, HORGAN, HORRIGAN, etc.
We are unaware of any yDNA surname projects devoted to Horan or Hanrahan. If you cannot locate them, perhaps there are regional yDNA projects that will cover them.