I have a Robert Cubbon who married my GGG Aunt Margaret Christian Kaighin in Cleveland Ohio 18 Sep 1879. He was born about 1859 in IOM.

Can be found in the 1880 US Census here:
http://www.kaighin.com/FamilyHistory/Locations/Ohio_files/1880_Cubbon.jpg

His son, also Robert can be found in the Cleveland Necrology file at www.cpl.org

Id#: 0067289
Name: Cubbon, Robert Charles
Date: Jun 27 1950
Source: Source unknown; Cleveland Necrology File, Reel #017.
Notes: Cubbon, Robert Charles, 68? of 28 Oak St., Geneseo, died June 20, 1950, at Strong Memorial Hospital, Rochester: husband of Mary Cubbon; brother of Mrs. Mona P. Stone and Clarence Douglas Cubbon, both of Cleveland. Services and burial at Geneseo.

Greg Kaighin