the name MALONE existed in 9 counties in one record in 1796
The Flax growers of Ireland see
http://www.failteromhat.com/post1796.phpKildallan Cavan
Killashandra Cavan
Munterconnaught 3 Cavan
Ballinderry Derry
Tamlaght3 Derry
Ballinvoher Kerry
Moydow Longford
Rathcline Longford
Carlingford 3 Louth
Charlestown Louth
Drumcar Louth
Haggardstown Louth
Haynestown Louth
Kilsaran Louth
Killallon Meath
Donaghmoyne 2 Monaghan
Tullycorbet Monaghan
Clonmacnoise Offaly
Gallen Offaly
Killaghally/ Wheery Offaly
Kiltullagh Roscommon
Clogher Tyrone
Clonfeacle Tyrone
Termonmaguirk Tyrone
Noughaval Westmeath
they include four Patrick Malone all of which could be red herrings just because of Patrick
Malone Patrick Munterconnaught Cavan
Malone Patrick Donaghmoyne Monaghan
Malone Patrick Moydow Longford
Malone Patrick Carlingford Louth
without a clue to any of the above I cant help further
Ros Davies Co Down Website currently available only in frozen archive format has a small part devoted to Malone ,but few referencess to Malone exist before 1800
your malone might have found a boat to liverpool during the famine, many going to US etcare listedbyfamilysearch, but no records for small boats plying the irish sea
goood luck