Guida's also a fem. form of
Guido, the Italian form of
Guy. I know that the Italian Guida is pronounced GWEE-da, but I haven't a clue about the
German Guida.
You may have better luck over on the Name Facts board:
http://www.behindthename.com/bb/list.php?board=gen.
Miranda
Top 10 Reasons Why I Procrastinate:
1.
Proud adopter of 15 punctuation marks; see my profile for their names.