Given Patrick CLEATOR is aged 62 in 1851 then he is the:

CLEATER, Patrick s/o Wm CLEATER & Joney KISSAGE chr 11 May 1788, Maughold, IOM
(Not s/o John & Mary CHRISTRY as I supposed earlier)

William CLEATOR m Jony KISSAG 05 Feb 1769, Maughold, IOM
[This William could be s/o William CLEATER & Cath CAIN chr 25 Apr 1749, Lezayre, IOM ?]
Other offspring:

CLEATER, Rich chr 17 Feb 1782, Maughold, IOM
CLEATOR, Robt chr 21 may 1769, Maughold, IOM
CLEATER, Thomas chr 01 Jan 1784, Maughold, IOM
CLEATOR, Wm chr 20 Oct 1771, Maughold, IOM
CLEATOR, John chr 13 feb 1774, Maughold, IOM
CLEATER, Ewan chr 18 Nov 1775 & 17 Oct 1779, Maughold, IOM
CLEATER, Daniel chr 24 Mar 1786, Maughold, IOM

Patrick CLEATOR m Elizabeth CREETCH

Offspring:

CLEATOR, Margt 28 Apr 1816, Maughold, IOM
CLEATOR, John 23 Aug 1829, Maughold, IOM
CLEATOR, Elizabeth 18 Jun 1826, Maughold, IOM
CLEATER, Catherine 19 Apr 1812, Maughold, IOM
CLEATER, Cath 22 Apr 1814, Maughold, IOM
CLEATOR, Robert 30 Sep 1832, Maughold, IOM
CLEATOR, Thomas 24 Oct 1830, Maughold, IOM
CLEATOR, Thos 02 Oct 1836, Maughold, IOM

James Patrick CLEATOR had siblings

CLEATOR, Josiah s/o Thomas CLEATOR & Esther Susan CORKISH chr 20 Jun 1871, Dhoon, Christ Church, IOM
CLEATOR, William Edward s/o Thomas CLEATOR/Esther chr 17 Jun 1866, Ramsey, IOM

There are likely to be others I have missed.