Ancestry.com. Cook County, Illinois Marriage Index, 1930-1960 [database on-line]. Lehi, UT, USA: Ancestry.com Operations Inc, 2008.
Original data: Cook County Clerk, comp. Cook County Clerk Genealogy Records. Cook County Clerk’s Office, Chicago, IL: Cook County Clerk, 2008.
Once you have found a couple of interest, you can order a copy of their marriage record directly from Cook County by following the link provided on the record page. This link will take you to the Cook County Clerk’s Genealogy website where you can purchase a copy of it.
This database contains an index to over 1 million births from 1916-1935 for Cook County, Illinois. Information listed includes name, birth date, and file number.
This database contains an index to over 1.2 million marriages from 1930-1960 for Cook County, Illinois. Information listed in the index includes: name, spouse name, marriage date, file number, and marriage license ID.