I think Ann Quayle was ch 22 Oct 1814 Lonan d/o John Quayle and Ann Cowley who md 15 Oct 1807 Braddan
Other children:
Jane QUAYLE Christening: 25 Dec 1806 Kirk Lonan, Isle Of Man
John QUAYLE Christening: 4 Nov 1808 Kirk Lonan, Isle Of Man buried 16 Jan 1809 Lonan
Margaret QUAYLE Christening: 20 Aug 1809 Kirk Lonan, Isle Of Man
Ann QUAYLE Christening: 28 Mar 1812 Kirk Lonan, Isle Of Man
Ann QUAYLE Christening: 22 Oct 1814 Kirk Lonan, Isle Of Man
John QUAYLE Christening: 11 May 1817 Kirk Lonan, Isle Of Man
Thomas QUAYLE Christening: 31 Dec 1820 Kirk Lonan, Isle Of Man

1841 Census Index adults ages were rounded in 1841 census
Lonan 3 18 91
Quayle
John 65
Ann 65
There may be other residents, I didn't check

Ann wife of John Quayle age 63 yrs buried 12 Mar 1843

Lonan 3 7 31
Knowles
Richard 25
Ann 25
Richard 7
Margaret 5
James 10 months

1851 Census
Lonan
District Name Residence Status Age Birthplace
02-45, 100, KNOWLES, Richard, Ballamillgyn, Head, Married, 37, Miner, England
, 02-45, 100, KNOWLES, Ann, Ballamillgyn, Wife, Married, 36, , Lonan
, 02-45, 100, KNOWLES, Richard, Ballamillgyn, Son, , 17, Lead Ore Washer, Lonan
, 02-45, 100, KNOWLES, Margaret, Ballamillgyn, Daughter, , 15, Dressmaker, Lonan
, 02-45, 100, KNOWLES, James, Ballamillgyn, Son, , 11, Scholar, Lonan
, 02-45, 100, KNOWLES, John, Ballamillgyn, Son, , 8, Scholar, Lonan
, 02-45, 100, KNOWLES, Mary Ann, Ballamillgyn, Daughter, , 6, Scholar, Lonan
, 02-45, 100, KNOWLES, Robert, Ballamillgyn, Son, , 4, , Lonan
, 02-45, 100, KNOWLES, Jane, Ballamillgyn, Daughter, , 2, , Lonan
, 02-45, 100, QUAYLE, John, Ballamillgyn, Fth in Law, Widower, 74, , Lonan
, 02-45, 100, , Ballamillgyn, , , , , Lonan
, 02-45, 100, KNOWLES, John, Ballamillgyn, Nephew, , 18, Lead Ore Washer, Lonan
, 02-45, 100, KNOWLES, Ann, Ballamillgyn, Niece, , 12, , Lonan

John Quayle age 82yrs Balla-milgen buried 29 Oct 1857

1861 Census Index
Lonan 2 48
Knowles
Richard 42 b England
Agnes 8 b Lonan
Ann 45 b Lonan
James 20 b Lonan
Jane 12 b Lonan
John 18 b Lonan
Margaret 25 b Lonan
Mary Ann 16 b Lonan
Matilda 10 b Lonan
Robert 14 b Lonan
Sarah 2 b Lonan
William 6 b Lonan

Richard Knowles age 52 yrs Balla-milgin buried 18 Apr 1865

1871 Census Index
Lonan 3 61
Knowles
Ann 45
Agnes 14

Anne Knowles Balla-milgin age 63yrs buried 18 Jan 1878
Elizabeth Jane age 19yrs Balla-milgin buried 22 Dec 1867
James 20yrs Balla-milgin buried 16 Jul 1861
Mathilda Balla-milgin 18yrs buried 18 Mar 1860
Robert Balla-milgin 18 yrs buried 7 Mar 1865
Robert 9 yrs Balla-milgin buried 18 Jul 1875
Sarah 13yrs Balla-milgin buried 27 Dec 1866
William Henry 7yrs 9mo Ballamilgyn buried 26 Apr 1867

Lonan Monumental Inscriptions
Old Yard
#E 2
In memory of Richard Knowles of Ballamillghyn who died April 18th 1865 aged 52 years
also the following children of the above Sarah died December 27th 1866 aged 13 years
William Henry died April 26th 1867 aged 7 years
Matilda died March 18th 1869 aged 18 years
Mary Anne died Octr 7th 1838 aged 1 year and 9 months
Ann wife of the above Richard Knowles died 16th Jan 1878 aged 63 years