Gray vs. Grey

In chatting with Mom today, I suddenly noticed that we both were using the spelling “grey” instead of the more-traditional spelling “gray” in America.  A quick google search found the following article which goes into more detail regarding the usages of both spellings around the world.  It’s a quick read and interesting to see that although both are proper, their usages do vary based on where you are.

Gray vs. grey – Grammarist.