Hello Leanne
Is your Daniel COE born c1814 Hales, NFK? I have a Daniel COE 1814 married to a Mary Ann living in Feltham, Middx in 1851; Twickenham, Middx 1861.
I could only find 2 marriages for a Daniel COE between 1841 & 1851:
1/ to Mary Ann CHADWICK JunQtr 1841 Mutford (Norfolk)
2/ in Kingsclere RD, Hants & no Mary Ann listed
If this is the same chap how did you arrive at the name Mary Ann TAPPS?
Keziah