Linda,
Just a quick one
My grandfather was Donald McNab, he was married to Annie Bonar McNab, she died during childbirth in 1939 in Greenock, i managed to find her resting place before my late mother passed away. I think Donald ( or Dougie ) as we called him his middle name was McVean.
He brought up 3 daughters, my mother Elizabeth Catherine McNab, Sarah McNab and Christina McNab ?