The Green Party rep says she's eager to bring a rural voice to Leinster House.
An Offaly councillor is taking up her new seat in the Seanad today.
The Green Party's Pippa Hackett has been running unopposed in a bye-election to replace her party colleague Grace O'Sullivan - who was elected to the European Parliament in May.
The now Senator Hackett will also contest the next general election in Laois-Offaly.
She says she's eager to represent a rural concerns in Leinster House: