I suspect that this is the burial of Margaret Hudgeon nee Crellin (ie the probable mother of your Margaret Reid nee Hudgeon):

HUDGEON, Margaret 57 Rushen 17 Aug 1874

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Fortunately, it seems that John remarried, which gives us a name for his father:

1881
Lime St, PSM

Ancestry’s transcription:

Name Age
John Hudson 66
Jane Hudson 49
Thomas Hudson 25
Elizabeth Jane Clague 11
William Clague 8

notes:
JH 66 mariner
JH 49 wife
TH son
EJC step dau b England
WC step son b PSM

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IGI marriage:

Name: John Hudgeon
Event Type: Marriage
Event Date: 20 Feb 1879
Event Place: Rushen, Isle of Man
Gender: Male
Marital Status: Widowed
Father's Name: James Hudgeon
Spouse's Name: Jane Clague
Spouse's Gender: Female
Spouse's Marital Status: Widowed
Spouse's Father's Name: William Maddrell

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A possible baptism for John:

Name: John Hutchin
Gender: Male
Christening Date: 24 Apr 1814
Christening Place: KIRK RUSHEN,ISLE OF MAN,ENGLAND
Father's Name: James Hutchin
Mother's Name: Jane Taggart

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Jean C