IGI has

CLEATOR, James Patrick s/o Thomas CLEATOR & Esther CORKISH chr 18 oct 1868, Dhoon, Christ Church, IOM

Thomas CLEATOR m Esther CORKISH 17 May 1863 Maughold, IOM

Maughold MIs (Monumental inscriptions) have:

#ZM6
In loving memory of THOMAS CLEATOR of Glen Auldyn who died 7th April 1924 aged 83 years also ESTHER wife of the above aho died 1st March 1932 aged 92 years also ADAM FLETCHER CLEATOR son of the above who died 1st October 1939 aged 61 years, also MARY ELLEN CLEATOR beloved wife of the above who died 21st July 1959 aged 84 years [BR states Thomas CLEATOR "of Lezayre"]

Thomas possibly therefore:

CLEATOR, Thos s/o Patrick CLEATOR & Elizabeth CREETCH chr 02 Oct 1836, Maughold, IOM

& Esther

CORKISH, Esther d/o Henry CORKISH & Eliza KISSACK chr 19 Jan 1840, Lezayre, IOM (or possibly)
CORKISK, Esther d/o John CORKISH & Jane CURPHEY chr 08 Dec 1838, Ramsey, IOM

Lezayre BR has

CLEATOR, Jane nee CORLETT, wife of John bur. 1747 [1st wife ?]
CLEATOR, John Glen Auldyn bur. 1811
CLEATOR, Mary bur. 1781

Patrick CLEATOR m Elizabeth CRESLATE (sic) 01 Jun 1811, Maughold, IOM

CLEATOR, Patrick s/o John CLEATOR & Mary CHRISTRY chr 20 mar 1757, Lezayre, IOM
CLEATOR, John s/o John CLEATOR & Mary CHRISTRY chr 09 sep 1749, Lezayre, IOM

John CLEATOR m Mary CHRISTRY 05 Jul 1748, Jurby, IOM
John CLEATER m Jane CORLET 12 Feb 1739, Lezayre, IOM

No doubt there are other siblings listed on the IGI