2006Final results
2006 election for Arizona Legislative District 1
Arizona State Senate · Arizona
Tom O’Halleran (R) won with 61.2% of the vote, defeating Jo Kelleher (D) by 26.3 points.
Tom O’HalleranRepublican · winner
61.2%44,713
Jo KelleherDemocrat
34.9%25,495
Terry DunnLibertarian
3.9%2,887
73,095 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2006
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET