Donna tried to post a message with the MIs, but got a "naughty language" message, so she's emailed the message to me. Here's the amended version.
Unfortunately there was no MI for Walter Brown in Andreas.
For his wife and mother-in-law:
Malew Old Yard
159
Sacred to the memory of SOPHIA JANE wife of WALTER BROWN of Castletown who departed this life (worn) ary 20 1860 aged 28 years
Erected by her husband as a tribute of (worn)
Also in memory of MARGARET CRELLIN who died at Castletown 18 June 1878 aged 70 years