Theresa Ann Dalecki-Zimmer, age 60 of Milton, DE, passed away on Tuesday, November 26th at Beebe Hospital in Lewes, after a prolonged illness. She was born August 19, 1959 in Wilmington, DE, daughter of the late Edwin and Ann (Singles) Dalecki.

Theresa studied early childhood development at Delaware Technical & Community College. She worked as a Dietary Clerk at Wilmington General Hospital and as a Research Assistant at DuPont. Theresa dedicated her life to nurturing her family, pets, and the children she sponsored around the world. Her kind and caring ways made it easy for her to make and continue lifelong friendships. Theresa’s additional passions included knitting, drawing, cooking, baking, and reading on the beach. She was a loving and devoted mother, sister, aunt, and friend who will be deeply missed by all who knew her.

Theresa is survived by her son, William Osienski of Charlotte, NC; her daughters: Tamara, Lara, and Mollie Zimmer all of Charlotte, NC; and her brother, Kevin Dalecki and his wife Belynda and their children of Milton, DE. In addition, she will be remembered by many extended family members and friends.

In lieu of flowers, contributions may be made in Theresa’s memory to Children International at www.children.org/make-a-difference/donate. This will continue her ongoing support, unconditional love and mission of helping others.

The memorial service will be held on Thursday, December 12 at 11:00 AM at Nichols-Gilmore Funeral Home, 212 East Justis Street, Newport (Wilmington), DE 19804, where friends may visit beginning at 10:00 AM. Further information can be obtained by contacting the family at TheresaMemorial13@gmail.com.