The 22-year-old is just the third British victor since the occasion turned into a noteworthy title in 2001.
Trailing Pornanong Phatlum by a shot medium-term, Hall move
d clear of the Thai with two gaps remaining, and held her nerve to anchor triumph.
Lobby completed on 17 under, having grabbed five shots on the last day.
How Hall went from hitting shots for chocolate matured seven to Women’s British Open champion
Her intruder on the last opening was her first of the round, and she dropped only three shots in the entire competition.
Phatlum was her closest challenger, with Korean Ryu So-yeon third another two shots unfastened.
Corridor stated: “There’s somebody uncommon at home who’s experiencing a terrible time, so this is for you, Grandad.
“I’d likewise get a kick out of the chance to thank my father for caddying. A debt of gratitude is in order for doing everything for me when I was growing up… and to my mum.
“Furthermore, to my beau also to support me.”
Corridor, from Bournemouth, joined Phatlum at the highest point of the leaderboard after the thirteenth, and holed a 20ft putt on the sixteenth to lead the pack out of the blue.
Triumph implied the 2013 British women’s beginner champion imitated comrade Karen Stupples (2004) and Scot Catriona Matthew (2009), the other two British victors since this occasion turned into a noteworthy.
