Mary, did your John Joseph Bridson b 1864 marry Adele Veronica Lawlor, and then, as a widower, did he marry widow Mary McKeigue nee O’Sullivan ?

If so, at his second marriage, he gave his parents’ names as William Bridson and Eliza Welsh.

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Marriage 16 Jan 1854 St John’s Newfoundland:

“William Brideson Isle of Man to Eliza Welsh.” Witnesses Wm Clarke and Louisa Houran.

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1865 New York State Census
Kings, New York
William Bridson 32 porter b England
Eliza W 32 wife b Canada
Honora 4 b Canada
John J 1yr 6months b Kings New York

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Naming his daughter Honora suggests that Wm Bridson was the one baptised Jan 1833 Braddan IOM to William Bridson and Honora Cowle, and, as Frances has said, Wm & Honora would have been your great great grandparents.

Jean C