In the course of researching my family, i've got these addresses attached to a few of them, and if I check them in google maps they all seem to come up in the same place, could someone who might know the area help me please!!

27 & 29 Elenor, Chelsea, Suffolk, MA http://goo.gl/maps/v4y1d

819 Broadway, Chelsea, Suffolk, MA
http://goo.gl/maps/SYVtg

Those 2 appear to be back to back

17 Spencer Avenue, Chelsea, Suffolk, MA http://goo.gl/maps/5GhQ9


100 Crescent Avenue, Chelsea, Suffolk, MA http://goo.gl/maps/VYRJy

104 Crescent Avenue, Chelsea, Suffolk, MA
http://goo.gl/maps/yDJL4