You need to purchase certificates, starting with the birth and marriage of James McLean Whiteside.
From where did you get, Jessie McLean 1923-? and James Whiteside 1921-?
There is only one marriage with the name combinations:
WHITESIDE JAMES CUNNINGHAM to MCLEAN JANE CARFRAY 1945 578/1 66 Ayr
Births:
WHITESIDE JAMES CUNNINGHAM 1923 583/2 11 Rankinston
MCLEAN JANET CARFRAY 1927 578/1 446 Ayr
WHITESIDE JAMES MCLEAN 1947 595/ 1702 Irvine
Deaths:
WHITESIDE JAMES CUNNINGHAM 66 mmn CUNNINGHAM 1989 680/ 796 Ayr
WHITESIDE JANET CARFRAY 67 mmn CARFRAY 1994 680/ 700 Ayr
WHITESIDE JAMES MCLEAN 60 mmn MCLEAN 2008 680/ 243 Ayr
Marriage:
WHITESIDE JAMES MCLEAN to SMILLIE MARGARET C C 1969 578/ 91 Ayr
Second marriage:
WHITESIDE MARGARET CAMPBELL to ALEXANDER HUGH 1980 680/ 477 Ayr
Daughter of a James and Margaret, birth, marriage and death:
WHITESIDE MAUREEN 1971 578/ 184 Ayr
WHITESIDE MAUREEN to STUART JOHN RAMAGE 1992 680/ 308 Ayr
ALEXANDER MAUREEN to STUART JOHN RAMAGE 1992 680/ 308 Ayr
WHITESIDE MAUREEN 41 mmn SMILLIE 2012 681/ 7 Ayr
STUART MAUREEN 41 SMILLIE 2012 681/ 7 Ayr
Did your grandfather have a relative BROWNLIE?
As an aside, credits on SP cost money and you can’t expect others to use their credits on your behalf. If you are serious about working out your family tree, you will find that you will need to be spending money on records, at some time during your search. SP is free to search for records, you can do it as easily as we do.
Jamjar