People with the last name Halladay in Iowa
- Andrea Halladay
- Angela Halladay
- Angie Halladay
- Ashley Halladay
- Barb Halladay
- Barbara Halladay
- Deborah Halladay
- Glenda Halladay
- Haley Halladay
- Harold Halladay
- Harry Halladay
- J Halladay
- Jeanette Halladay
- Jeremy Halladay
- John Halladay
- Kelly Halladay
- Laura Halladay
- Liz Halladay
- Matthew Halladay
- Max Halladay
- Mercedes Halladay
- Mervin Halladay
- Michelle Halladay
- Patricia Halladay
- Phoebe Halladay
- Robert Halladay
- Vicki Halladay
- William Halladay
- Zach Halladay
- Zachary Halladay
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