West Cork Emigration to Rochester, New York, Online Records.

https://durrushistory.com/2015/03/10/from-the-mizenivagh-and-muintervaradurrus-peninsulas-west-cork-to-rochesternew-york-united-states-foundation-of-hibernian-benevolent-society-episcopal-church-of-st-marks-and-st-cyrene-mount-ho/

The city and suburban directories for Rochester are online for free at:
http://www3.libraryweb.org/lh.aspx?id=1105

The 1818-1897 newspaper index is online for free at:
http://www3.libraryweb.org/lh.aspx?id=963

The directories give dates of death though about 1960.

Many cemetery records are searchable through links at:
http://www.mcnygenealogy.com/cem/index.htm