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Mark J. O’Callaghan, 45, of Arlington Heights, beloved husband of Christine A., nee Kuhn; devoted son of the late Joseph and Margaret; loving brother of Christopher J. (Carol), Michael J. (Jean) and Patrick J. (Meghan); dear nephew of Virginia (Nicholas) Wolf; fond brother-in-law of Cathleen (William) Clarke and Robert (Kim) Kuhn; uncle of many nieces and nephews. Visitation Friday, 3 til 9 p.m. at Lauterburg & Oehler Funeral Home, 2000 E. Northwest Hwy., Arlington Heights. Funeral Saturday, 9:15 a.m. from funeral home to St. Edna Church, 2525 N. Arlington Heights Rd., Arlington Heights. Mass 10 a.m. Interment St. Michael the Archangel Cemetery. In lieu of flowers, contributions to your favorite charity, appreciated. 847-253-5423.
