I don't know much about John MacWhirter

I missed posting last week for the #52ancestors prompts because I got involved in looking for more information on the topic I wanted to discuss. This week, the prompt is "overlooked" and the suggestion is to write about someone who I have not researched much yet. So, let's look at my 3rd great grandfather, John MacWhirter.

Surname Saturday: Cranston

It's another Saturday, so it's time for another surname study.  This week we'll take a look at another line where I only know of one person with the surname.  Today's surname is Cranston, as in Margaret Cranston of Ireland.