As popular as Lakes Of Pontchartrain in America. This melody belongs to all English speaking traditions: ballad sheets were found in England since the 1850s, when many Irish had left their (western) homeland for the Famine, leaving a loved one behind.
Josef Locke [as Where The Blarney Roses Grow; Blarney as pars pro toto for Ireland]
Frances Perry [as The Lakes Of Ponchartrain; Helene Stratman-Thomas recording in Black River Falls, Wisconsin, a Mississippi river away from the actual Lake Pontchartrain in Louisiana]
Peter, Paul & Mary [as Flora]
Planxty [as Lakes Of Pontchartrain; vocal: Christy Moore, who learned it from Martin Carthy (just like Bob Dylan probably)]
Paul Brady [idem on his album Welcome Here Kind Stranger (named after a line in the song) and in 2001 as Bruach Loch Pontchartrain]
Hothouse Flowers [idem]
Peter Case [idem]
Chieftains [with Mark Knopfler; in '03 with Rosanne Cash]
Willy DeVille [as The Banks Of The Pontchartrain]
This melody reached the borders of Lake Pontchartrain, Louisiana in the slipstream of millions of Irish emigrants to the US. Mid 19th century, Irish who'd left the island outnumbered those that stayed behind.