Laois–Offaly: 1984 by-election Results, Counts, Stats and Analysis

Seats: 1

Quota: 23791

Seat	Candidate	Share	First Pref Votes
1	Brian Cowen (FF)	54.7%	26022
	Pádraig Horan (FG)	38.2%	18173
	Seán O'Brien (LAB)	3.7%	1737
	Joe McCormack (IND)	3.1%	1471
	Eoin Ó Murchú (COM)	0.3%	120
	Jim Tallon (IND)	0.1%	58

Incumbent in Bold

Electorate: 74087

Valid: 47581