I was able to locate 108 Pineapple St. in the 1900 U.S. Census, Michael Dougherty IS NOT a resident of this address in the Census a widower her son and daughter plus 12 lodgers
see link: http://search.ancestry.com/cgi-bin/sse.dll?db=1900usfedcen&a...
Also see the following link to the 1850 U.S. Census Elizabeth/Bridget may be a match along with family members.
link: http://search.ancestry.com/cgi-bin/sse.dll?db=1850usfedcenan...

Tim