I am wondering if Patrick had other brothers and where they were born. I may have located my ancestor Johanna McSweeny born 1814 Macroom, Co. Cork. Her immigration record aboard "Mary Nixon" to Melbourne in 1841 says she was aged 26, from Cork. Therefore it is possible I have found her birth record in 1814 which shows parents Denis and Johanna. We understand from family legend that she had an uncle who was a high Catholic priest. Perhaps her father Denis and Patrick were brothers? I understand the McSwiney/McSweeny family established in the Macroom area after moving south from Donegal after the Siege of Kinsale. There seems to be a correlation in your information from geni.com
I would appreciate any assistance that can be provided.