This is a record collection found on both FamilySearch (free) and Ancestry.com ($). The Ancestry database contains data originally from the FamilySearch database. A description of the content appears on FamilySearch (see this page).
FamilySearch database citation: "Illinois Deaths and Stillbirths, 1916-1947." Database. FamilySearch. http://FamilySearch.org : 23 January 2024. Public Board of Health Archives, Springfield.
Ancestry.com database citation: Ancestry.com. Illinois, U.S., Deaths and Stillbirths Index, 1916-1947 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2011.