So here is the Marriage Record:
"Indiana Marriages, 1811-2007," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:QV9M-69YB : accessed 16 May 2016), Norman C Vogt and Rosemary Cosgrave, 22 Jul 1939; citing Lake, Indiana, United States, various county clerk offices, Indiana; FHL microfilm 2,416,447.
They were married in 1939.
The latest Census data that is public is from 1940. This is going to make finding their children a bit challenging.