Searching for my relatives that lived in Adrian, MI. Last name of Clark.

Hi.I'm looking for my relatives that lived in Adrian, Michigan in the 1960s and 70s.It would be my mom's side of the family.Her father's name was Orville Clark and mother's name is Dorothea (maiden name of Schwartz).

My mother's name is Patricia Ann Clark, who married my father, Donald Zimmerman back in the 1960s.My birth name is Margaret Zimmerman, but have since legally changed my name to Margo H. Bradley-Mark.

My mother was born September 17, 1945 and she passed away July 31, 2006.

My mother's brothers and sisters are:
Rose Marie
Jerry
Dewayne
Kathleen
Darlene
Theresa Louise and
Jimmy Lee, who passed away in 1969

Any information that anyone might have would be greatly appreciated.

Thank you,
Margo