The details are:
Alexander POWRIE - alive in 1861 (aged 77) cannot be found in 1871
Betsy/Elizabeth (possibly BAXTER), his wife, alive in 1851 aged 72yrs - not in 1861.
Alexander's last known address is in 1871 - Bandirran Wright's Ho (use?).... , Kettins, ANGUS
They were also in Bandirran in 1851.
Any hints or advise received with open arms