People with the last name Mahaffy in Pennsylvania
- Catherine Mahaffy
- Dorothy Mahaffy
- Hugh Mahaffy
- Jacklyn Mahaffy
- John Mahaffy
- Kathleen Mahaffy
- Kathryn Mahaffy
- Kimberly Mahaffy
- Mary Mahaffy
- Michael Mahaffy
- Norma Mahaffy
- Paul Mahaffy
- Perry Mahaffy
- Robert Mahaffy
- Ruth Mahaffy
- Veronica Mahaffy
- Wayne Mahaffy
- William Mahaffy
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