Frances CD has,

LONAN
23 Dec 1781 John son of, William LEWNEY

ht tps://www.familysearch.org/search/records#count=20&query=%2Bgivenname%3AJane~%20%2Bsurname%3ACubbon~%20%2Bany_year%3A1780-1790~&collection_id=1708663

name:Jane Cubbon
gender:Female
baptism/christening date:02 Apr 1782
baptism/christening place:MALEW,Isle of Man
father's name:Wm Cubbon
mother's name:Jane Taubman

Can’t find John & Jane Looney in the 1841 Census

Here is their Son John 1816 in the 1861 Census

1861 Census R.G. 9 / 4429
Ramsey, Isle of Man
Maughold Street
William Callow Head Widr. 85 Landed Proprietor Isle of Man, Maughold
John Looney Son in law M 44 Master Mason employing 11 Men & lads and ??? Isle of Man, Ramsey
Mary Looney Daur. M. 46 Masons Wife Isle of Man, Ramsey
John C. Looney Grandson Un 14 Mason’s Son Isle of Man, Ramsey
James Looney W. Looney Grandson 12 Scholar Isle of Man, Ramsey