Meaning & Origin
Marykathryn is a girl's baby name of Hebrew and Greek origin, a devotional double name uniting Mary — from Hebrew Miriam meaning 'beloved' — with Kathryn, the Greek Aikaterine, possibly meaning 'pure.'
This combination reflects a strong Catholic naming tradition of honoring multiple saints in a single name. Both Mary and Katherine are among the most venerated names in Christian history, giving Marykathryn a deeply reverent character.