Derry light-flyweight Blaine Dobbins secured the first belt of the evening courtesy of a 16-11 win over Antrim’s TJ Waite.
Dobbins led 5-4 and 8-7 at the end of rounds one and two and held his composure in the face of some serious pressure from Waite in the final frame to pick off another eight points.
Michelle Jannick claimed the first of the 51kg titles following a see-saw battle with Jade Corcoran. The lead changed hands three times in this encounter before Jannick emerged with five points to spare.
The men’s 51kg final between Hugh Myres and Gavin McComb was tipped in advance to produce Halloween fireworks.
And neither flyweight disappointed with ordnance flying in from all angles in a first round which finished 3-3.
McComb edged the next frame to command an 8-7 lead but Myres came storming back in the third, although McComb landed some neat shots to shade a 15-14 win.
Dubliner Shane Roche denied Ulster a fourth win on the trot with a count-back decision over Joel Scullion, who received a public warning for holding in the second.
Sean McComb, a cousin of newly crowned flyweight champion Gavin, denied the Immaculata BC a two-in-a-row with a 12-7 decision over JD Meli.
Emma Agnew was celebrating a high-five after recording an inside the distance win over Laura Connolly-Murphy to claim her fifth Irish crown.
Mark O’Hara — with the Holy Trinity BC’s second win of the night — finished on top of the men’s 60kg podium following a 20-11 win over James Tennyson
Dubliner Martin Wall beat Waterford’s Ronan Date 10-9.