According to his death record on file with Toledo Diocese records, available at FamilySearch, Daniel Keenan died in an accident at a rolling mill in Chicago, Illinois. Father R.A. Sidley officiated at his burial.
Mr. Keenan's remains were returned to Sandusky, Ohio, for burial at the St. Joseph Cemetery. Mr. Kennan died on December 18, 1889, at the age of 37 years, 4 months and 6 days. Rest in peace, D.R. Keenan.