DEATH: 14 Jun 1825 - Santan Monumental Inscription #N 2:
Sacred to the memory of William Gick of Ballaquaggin who departed this
life on the 14th day of June 1825 aged 38 years.
Also to the memory of Catherine Gick otherwise Quine wife of the above
who departed this life on the 30th of April 1845 in the 60th year of her
age.

If these are the right folks, then there are probably some transcription errors somewhere along the line--will, MI, etc.

I guess these things pop up to keep us on our toes or drive us mad

You're very good, Jean, at spotting inconsistencies.

Maybe some Gick researchers will be able to ferret this out.