Unless someone specifically states that he is a member of the Freemasons it is almost impossible to know for sure that they are.
NO
Professor John Evans Attah Mills
Prof. John Evans Atta Mills
1959
21 July 1944
he built the Mallam Junction road
President John Evans Atta Mills
Martin Amidu
H. E. Prof. John Evans Atta Mills
ghana has no prime minister but rather have president whose name is John evans Fifi Atta Mills
No
Yes
There is no information suggesting that John Smeaton was a Freemason in the 18th century. Nor was he associated with those who were.