We have looked through the obituary records that we have and found no reference to a Ben Rose. Do you have a date of death? Then we could look at the newspaper obituaries.
The Maryland State Archives has some information on obtaining death records at
The county death record index for 1945-1968 is http://guide.mdsa.net/series.cfm?action=viewDetailedSeries&maxRecords=, and it lists a Benjamine F. Rose, who died in Frederick County on Feb 13 1960, and a Frank Jerome Rose who died on Nov 28, 1963 in Baltimore County. You may be able to get paper records at the MSA, but we don't have them at the Historical Society.
Elizabeth Beesley and Sarah Jorgensen
Prince George's County Historical Society
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