1865 Decatur, Macon, Illinois
1910 Sauk Centre, Stearns, MN
Richard Costella, b. ireland, 73
Ann, b. Ireland, 64
Military: Corp. A. 12th Wisconsin Infantry
Disability: Dizziness & intolerance heat res of sun stroke & res dis nervous sys
Disability Pension: 17 Nov 1903
Died: 4 Jan 1924
Source: U. S. Veterans Administration Pension Payment Cards 1907-1933
I didn't find his death record in FamilySearch.
You can look for his obituary in the Minnesota Digital Newspaper Hub which is free.
The Stearns History Museum & Research Center, http://stearns-museum.org
has death records. Successful Searching!