The second family at Lambfell Moar, German appear to be this couple.

Thomas Quine married 02 Feb 1797 Catherine Kelly
Their son Thomas a shoemaker married 17 Aug 1847 Elinor Corlett

With regard to the third family at Port-e-Vullen Village.
Is Ellen shown as illegitimate or is it Ellen plus an illegitimate child?

Your posting (Frances) shown below:
Maughold 67 thos + cath 65 (=cath tear?) + 38yr Ellinor + her illeg child at Port-e-vullen (ag lab)
Thos born c 1774

I found this in The Manx Notebook
1841 maughold census
====================
1 12 53 Port-e-Vullen Village
Thomas QUINE 67 Ag lab Isle of Man
Cathrine QUINE 65 Isle of Man
Elinor QUINE 38 Isle of Man
William QUINE 1mo Isle of Man

If it was William who was illegitimate, it could be the family below.( The parents with Bell Ellen)

Thomas Quine born around c1775
married Jurby 19 May 1798
Catherine Teare born c 1776 (Probably Jurby)
children b Jurby
Catherine Quine b 25 Oct 1798
Thomas Quine b 06 Jul 1800
Daniel Quine b 12 Sep 1802
Bell Ellen Quine b 15 Jan 1804
James Quine b 14 Mar 1806
Jane Quine b 17 Jan 1808 died young?
Daniel Quine b 11 Mar 1810
John Quine b 14 Nov 1813
Wm Quine b 26 Jul 1815
Cesar Quine b 01 Sep 1820
Margaret Quine b 01 Sep 1820
Jane Quine b 12 Feb 1812 married Married (1) married Onchan December 1831 William Craine (2) John Morrison