I had to Urban Dictionary that, here it is...
"Cinnamon, A name given to only the nicest, kindest, prettiest and funniest of girls. If you ever meet a Cinnamon marry her right then and there, you can't go wrong."
Indeed she is...
Here’s the current pop culture reference. A line from this song: https://www.youtube.com/watch?v=JRAOdRq-1lw