The Westmeath woman says she's not the desired candidate of party HQ.
Former Fine Gael TD Kilbeggan's Kate O'Connell says she won't be contesting the by-election in Dublin Bay South.
The pharmacist claims she's not the desired candidate of party HQ and it's become clear she wouldn't win a selection convention.
O'Connell says her relationship with Leo Varadkar never recovered after she backed Simon Coveney in the last Fine Gael leadership contest.
The former TD says she won't contest the by-election in her constituency as an independent and will remain a party member.
It's expected local councillor James Geoghegan will secure the party nomination.