Once, while I was drifting off to sleep, I saw the number 91 and knew that it related to the Psalms. It wasn’t one that I was familiar with, but I had been doing my constant morning and evening prayer to my guardian angel.
From what I’ve read, you won’t know your guardian angel’s name and you shouldn’t give a name to your guardian angel. There is some debate on this. I follow the tradition of the Bible – only three angels are named: Raphael, Michael, Gabriel. I think you could include Lucifer/Satan too, though as you are well aware he is a fallen angel.
More Scripture references here …
raphael.net/Scripture/guardians.htm
I haven’t been told my guardian angel’s name, and if I had been I would be very wary of such information. The spirit world is very subtle and can be difficult to discern, so use extreme caution if you receive names.
A good book on angels is Peter Kreeft’s
Angels and Demons. While it does deal with guardian angels, it covers angels (and demons) in a thorough manner. Here is a good excerpt …
peterkreeft.com/topics/angels.htm
The more you know about angels in general, the more you know about your guardian angel.