Saints - L

Like A Prayer = See Like A Prayer. 
Liturgy of Hours = The daily prayers scheduled by members of the Priestly Order. For more info see Liturgy of Hours. 
Lives of the Saints = A popular work among Roman Catholics of the life and works of various Saints. For more info see this Link. 
Living Saints of Warhammer 40K = Here's a good example of how to use Saints or saintly characters in a fictional setting. 
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Lucia = St. Lucia is a saint mentioned repeatedly in Dante's Divine Comedy and was famous for having had her eyes plucked out after refusing to marry a pagan suitor. For more info see St. Lucia of Syracuse.
Loyalist Templars = These are the members of the Knights Templar who remain faithful to the Catholic Church and the loyal to the Order of Priests. For more info see Loyalist Templars.