Joe Leventhal scored 11 of his 14 points in the second period, and Mike Mangin (18) added nine, putting the Lions in Saturday's2.18 final.
Holy Ghost Prep also moved into the title game via a 49-30 triumph at Bristol. The Firebirds, paced by Tom Heston's 14 points and Jack Kalnes' 11, led by 22-4 and made 17 of 21 foul shots in the game.
Held to two points through three quarters, Kievanna Lacey, Morrisville's top scorer this season, got loose for eight points in the fourth period to wrap up a 47-35 win over visiting Delco Christian in the Bicentennial League's playoff semifinals.
Casandra Martinez led the Bulldogs with 12 points and Katherine Brown added 10, pushing Morrisville into Saturday's2.18 title game.
Christopher Dock will face the Bulldogs for the title after getting past visiting Jenkintown, 32-25.
Olivia Bradford's 13 points combined with Laura Swintoski's eight points and 10 rebounds to help the Pioneers offset a 15-point game by the Drakes' Emma Dorshimer.
Tri-County. Anna Janisch supplied most of Kimberton Waldorf's offense with 17 points and guided the Cougars to the league championship with a 29-23 victory over Mercy Vocational in the playoff final at Hill School.
Janisch, who has 1,518 career points, led Kimberton (13-3), which split a pair of regular-season games with Mercy (12-4).
Catholic. Balanced scoring by Omowumi Rafiu (14), Maureen Fiocca (14) and Tamyra Laws (11) enabled Neumann-Goretti to win its league quarterfinal game, 61-44, over visiting Lansdale Catholic. Rafiu added 13 rebounds.
Archbishop Carroll's 58-30 win over visiting Archbishop Ryan featured Sarah Curran's 20 points and 6 rebounds, and Kristie Cistantino's 7 steals.
St. Hubert's final game was a 48-31 loss at Archbishop Wood. Wood's Lauren Nealon scored 12 points, and the Bambies' Amanda Linder had 11.