People with the last name Lanaghan in Illinois
- Anne Lanaghan
- Barbara Lanaghan
- Blanche Lanaghan
- Brian Lanaghan
- Connie Lanaghan
- Constance Lanaghan
- Curtis Lanaghan
- Ed Lanaghan
- Eutoka Lanaghan
- Helene Lanaghan
- Jeffrey Lanaghan
- Jon Lanaghan
- Jonathan Lanaghan
- Kevin Lanaghan
- Michael Lanaghan
- Patrice Lanaghan
- Patricia Lanaghan
- Richard Lanaghan
- Robert Lanaghan
- Steven Lanaghan
- Tj Lanaghan
- Victoria Lanaghan
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