Hi ,
There is a Davidina Mitchell(female) aged 2 in Clackmannan in 1841 , parents would seem to be James and Christian.(FreeCEN transcription).
The marriage certificate should confirm her age and parents names.
An 1871 Census transcription has Davina Dodds , with husband John , born Clackmannanshire c1840 , living Saline Fife.
ev