Decendents Hall/Deedy,Boston.

Looking for decendents of Paul Hall and Ellen Deedy arrived in Boston Ma Circa late 1840's They had a son named James P.Hall (b:1850) of Cambridge, Ma he was a Police LT. He married, Matilda (Murruy?) Hall. They had 5 Children?,, Dr James Hall DMD, Matilda, Charles J.Hall,Teddy,Helen?.any info would be great.