Several Powderly research states:
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Found James, Thomas + Patrick common in Powderly Clan.
Friend sent me some listing of Powderly flax farmers in the late 1700reds who were flax farmers.
joepowderly@earthlink.net************************************************************************
Index to Griffith's Valuation of Ireland, 1848-1864
Powderly, Thomas County : Dublin
Parish : Lusk
Location : Greatcommon Town of Lusk
Powderly, Thomas County : Louth
Parish : Dunleer
Location : Dunleer/Town of Dunleer/Newhall
Powderly, Thomas County : Louth
Parish : Dunleer
Location : Newhall
Powderly, Thomas County : Meath
Parish : Ardbraccan
Location : Ardbraccan
Powderly, Thomas County : Meath
Parish : Kilsharvan
Location : Kilsharvan
Powderly, Thomas County : Meath
Parish : Slane
Location : Knockmooney
Powderly, William
cjnixon@optonline.net ************************************************************************
Meath Heritage Center can help your search looking for POWDERLY Surname.
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Many Powderly's also went to Australia.
Where is Oristown? I need a little more info. to direct you to the correct resource info.