Leon Kostkowski
2 records in the Social Security Death Master File.
2 records
| Name | Born | Died | Age | Last residence | SSN issued |
|---|---|---|---|---|---|
| Leon J Kostkowski | January 5, 1945 | August 12, 2000 | 55 | — | Maryland |
| Leon J Kostkowski | November 10, 1974 | July 1992 | 17 | Ridgely, MD | Maryland |