Hi Roy,

I didn't know of any remarriage.

Here is all the information I have on Isabella:

Isabella FREW
- born 1803 in Old Monkland to Archibald STRANG and Isabella nee TOPEN
- married James STRANG, 1824, Old Monkland
- children:
[yet to find names of children prior to 1841]
William STRANG, 1841
Isabella Frew STRANG, 1845
Daniel STRANG, 1847
David STRANG, 1847
George STRANG,
- emigrated to NZ, 1863 (as Isabella STRANG) with Isabella, Daniel, David and George
- died 1879 in Invercargill, NZ


Regards,

Amelia
Wellington, NZ