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Manx Genealogy Archive 2

John Faragher in Lonan

I have been looking at the 1841 census, and there is a John Faragher, aged 7 months, living in the household of Daniel Henery in Lonan. A single line in the margin - does that indicate he is not part of the Henery family? Has anybody already worked out with which family this John Faragher belongs? I was looking for John Faragher, illegitimate child of Mary Faragher.
Thanks for any ideas.
Susan