In Petty's Census of 1659, "O'Morrow" was recorded in Bargie in County Wexford and many of this name dropped the'O' or'Mac' and became Morrow, as noted by Sean J. Murphy.
In Petty's Census of 1659, "O'Morrow" was recorded in Bargie in County Wexford and "McMarrowe" was recorded in Cork. Many of this name dropped the'O' or'Mac' and became Morrow, as noted by Sean J. Murphy.