I found some more information last night. It appears that Ellen (20), Bridgett (11), Anne (10), Patrick (9), John (8) left Liverpool in Nov 1849 and arrived in Boston Feb 6 1849 on the Ship Bay State (Liverpool to Boston). Anne died in April of 1849 of dysentery.
It looks like Mary was born in 1850 and came to Boston in 1855. I am going to find that passenger list to see if the rest of the family was on that ship.