Mark McMorran, 51, of Chicago, died April 23.

Funeral services were held May 1 at Donnellan Funeral Home. Inurnment followed at Lakeside Cemetery in Port Huron, Mich.

He is survived by his parents, David and Therese; his siblings, Dave (Nancy) McMorran and Kris (Will) Gertz; his nieces and nephew, Cheney, Kayley and Addison Gertz; and his lifelong friend, Matthew (Maureen) Feck.

McMorran had a beautiful mind and was referred to as a walking Wikipedia. He loved trivia, “The Simpsons,” skiing, horse races and was an avid Bears fan (most of the time).

He was a graduate of Lake Forest Academy and Columbia University New York.

In lieu of flowers, donations may be made to thyroid.org or hemochromatosis.org.