can someone tell me in the early 1920s if two diffrent named families lived in same house is there a chance they were related in someway, i have thomas kelly and family in fredrick st and the crennells in the same house, ive been looking for a eva crennell but dont know if she was a kelly and married a crennell but dont him his first name this was in 1923/ hope you can understand this posting as sometimes dont know how to word things