Thanks to all the help given above plus contact made with someone on GR I now have all the following info
James Bell m Janet Saunders (no dates or places given)
James Bell (1790- 1875) m 28/9/1818 Leith Isabella Miller(1797-1887)
James Bell (1836 Dundee-1886 Lower Largo, Fife) m 20/10/1875 Lower Largo, Fife Christina Horne(1852 Largo -1885)
James Bowman Bell(1877Largo- ?Chile) m 20/6/1908 Iquique, Chile Zunilda Albertina Silva (1894-1913) Sailed Liverpool to Iquique,Chile1909
James Bell (7/8/1909 Dundee-1967 Chile) m Consol Jaras
Ramon Santiago Bell Jaras 'Jimmy' (3/10/1932 Santiago, Chile-17/3/2005 London) m Chile (*)
(*)
Would like to find dates for James Bell & Janet Saunders and any previous generations - is there free census data available for Scotland or is it just England & Wales ?
Moderator Comment: (*) details of possibly living deleted. RootsChat's best practice is not to include details of people who are or may still be living to protect their identity and privacy.