Catherine Therese Johnson (nee Busch), 73, of Chicago, Illinois passed away on June 17, 2026. Catherine had a long career in healthcare administration in both the US and overseas. She enjoyed traveling, and was deeply interested in history, art and architecture, visiting no less than twenty three countries. She is survived by her husband Robert Johnson, her children Amelia Johnson, Philip (Alyssa Barton) Johnson and her granddaughter Eveleigh Johnson. A celebration of life will be held privately with her family and friends.