The Main Altar has a statue of Our Lady of Guadalupe on the Epistle side niche is that is from the mid 1500's. Thus one of the original first generation images which inspired millions of conversions. 

So as you may guess there is a strong devotion to Our Lady of Guadalupe. 

Apocalypse Chapter 12

1 And a great sign appeared in heaven: A woman clothed with the sun, and the moon under her feet, and on her head a crown of twelve stars.