Hi! I'm reentering my query & in the meantime I have run across this site for anyone interested in getting addresses for D.C. research. Pat http://hswdc.org/Do_Research/Local_Research_Locations/Local_Research_Locatio ns.asp > Does anyone have any information about a JOHN DEAN who was married to both > Matilda & Susan Thompson? He was born in St. Mary's Co., MD in 1799 but most > of his children were born in D.C. The family eventually moved to Prince > Georges Co., MD where John & Susan died & they are buried at St. Ignatius > Cemetery in Oxon Hill. > > > > > > > >