Just so you do not think I am shirking my research duties - I too found a Guidry. It was during my 78th Division research which would have been probably around late summer of 2012.
I think it was someone with the WW2 Museum that told me Guidry was a common Louisiana name. They also told me how they knew it to be spelled. I found a Guidry in one of the Flash publications of the 78th Division. Needless to say I was overjoyed - but after reading as much as I could on the gentleman I realized that Guidry was not my Guidry.
And at that time I felt a lot foolish thinking about what I would say if I made random telephone calls to Guidry households. I went through a scenario of "Hello my name is .... I am looking for someone referred to as Guidry. I am not sure how it is spelled but maybe it is Guidry. I do not know if it is a nickname and my Mom can not remember the town he was from. She does however remember the town no longer exists - or did not when she and my Dad were trying to find Guidry." And, the scenario got worse as I thought about what I would saying next.... Best case was I would never give them my name because they would think there was something wrong with the caller and I would have to disguise my caller ID etc...
But now, I could call! Thanks to the Larry research! I have a whole name and feel confident of the spelling and where he was once from, his siblings, etc. And remember, I got lucky with Robert... I made random phone calls and found the nephew that had my Dad's letter. So yes indeed, we know that now anything could happen ....
Thank You Larry and Christoph!
Your Elderly Cousin, Jean