Apparently she never married as she was still a Smallwood in deathreco rds.
Illinois, Deaths and Stillbirths Index, 1916-1947
Name: Ada Belle Smallwood
Birth Date: 28 Jul 1861
Birth Place: Logan Co , Illinois
Death Date: 5 May 1936
Death Place: Boynton Twp , Tazewell, Illinois
Burial Date: 7 May 1936
Burial Place: Union, Logan, Illinois
Cemetery Name: Bethel
Death Age: 74
Occupation: Housekeeper
Race: White
Marital Status: S
Gender: Female
Residence: Boynton Twp., Delavan, Tazewell, Illinois
Father Name: John A. Smallwood
Father Birth Place: New Jersey
Mother Name: Mary Van Gundy
Mother Birth Place: Illinois
Comments: 60 Years at this place
FHL Film Number: 1766090