According to Brian Lawson's index they were both buried in Lezayre parish:
See: www.iomfhs.im/lawsons/LawsonBMD/burials/rz_r_a.html?Submit=Rabeneck+-+Rice

You could look up the parish register on LDS film (see 'Church of Jesus Christ of Latter-Day Saints' in the local phone book, worldwide) which is cheaper than buying copies of their entries in the register.
Lezayre baptisms, marriages, and burials 1696-1849 Family History Library BRITISH Film [no] 106727.

Sue