There were 4/5 children born to james tulloch and jean/jane flett: ann 22/1/1837, james 19/9/1830, john 24/12/1835, margaret/mary 19/11/1832
on 1841 census for sandwick at hourston are: william tulloch farmer 65, charlotte 55, ann 15, mary 15, charlotte 13, john 10, jean 30 , margaret 8, ann 4.( these last 3 look like your jean and her children)
on 1851, 1861, 1871 and 1881 census for sandwick; jane tulloch widow midwife
on cursiter.com there is a james tulloch born to william tulloch and charlotte flett on 30/8/1807
akc