1. A proper name that aptly describes the occupation of the person, especially by coincidence.
2. The term aptonym is used for "people whose names and occupations, workplaces, or situations have a close correspondence", according to Frank Nuessel in The Study of Names.
3. Etymology: term used for "people whose names and occupations or situations have a close correspondence".

A compound word that consists of the adjective apt, from Latin via Middle English meaning, "suitable", or "appropriate" + Greek -nym, "name".

Examples of aptonyms or aptronyms

• Peter Hammer, a hardware store clerk
• Nita House, a real estate agent
• Dr. Barret Hyman, an obstetrician and gynecologist
• Dr. Joseph C. Babey, a pediatrician
• Thomas Edison, a General Electric employee
• Ken Lawless, a police chief
• Fred Couch, an upholsterer
• Cathy Book, a bookstore clerk
• Bob Counts, an accountant
• Leonard Divine, a rabbi
• Dr. Knapp, an anesthesiologist
• Lawrence E. Lawhead, an attorney
• Dr. Carey Parrett, a veterinarian
• Jerry Frisk, a security guard
• Joe B. Musselman, a body builder
• James Splatter, a painter
• George Wheeler, independent trucker
• Sue Yoo, a lawyer
• Will Wynn, former mayor of Austin, Texas (2003-2009)