The Pioneer Aces were so named
because every member of the band was a Pioneer (no alcoholic beverages).
They became The Premier Aces. Left to right: Johnny Carroll (trumpet), Andy
Malone (drums), Liam Treacy (sax), Paddy Malone (sax),
Stephen Treacy (accordion),
Sonny Ward (sax), Mickey Slyman (trombone), Frankie O'Brien (guitar).