There were a few ties, so here is the tiebreaker round!
Girls:
Avalon vs. Rose
Minerva vs. Lydiia
Mary vs. Silena
Athena vs. Luna
Nymphadora vs. Nyneve
Claire vs. Hazel
Boys:
Carlisle vs. Remus
George vs. Nico
Aragorn vs. Grover
Pippin vs. Fred
Gawain vs. Charlie