I don’t know which specific “ear mark” you’re referring to yet, so I can’t match it to anything meaningful or medical.
If you mean something like:
- a notch or cut in the ear
- a small hole or extra fold
- a lump or bump
- a birthmark or dark spot
- or something like “someone has a mark on the ear that looks unusual”
…then the meaning changes completely depending on what it looks like.
In general though, there’s an important point:
most ear “marks” don’t have a special symbolic meaning in humans. They are usually one of these:
- a natural birth variation (harmless)
- a scar from injury or piercing
- a skin condition (like a cyst or mole)
- or in animals, an identification mark
If you’re asking because someone told you it “means something” (like luck, personality, fate, etc.), that’s usually just folklore with no medical or scientific basis.
If you want a real answer, send:
- a description (shape, size, location), or
- a photo
and I can tell you what it most likely is in a grounded, factual way.