After we spoke, I also found the following information in the CT Death Index. It includes some of the details you mentioned. It lists Oxford, Ct as the residence, which is right next to Seymour.

Name: ROSE MCAREE
Death Date: 10 July 1975
Death Place: New Haven, Connecticut
Age: 29 Years
Spouse: ROBE
State File #: 14171
Residence: Oxford, Connecticut