Leagues and Clubs of Northern Ireland1930/31
Division A (1. League)
- 1. Glentoran Belfast
- 2. Linfield Belfast
- 3. Belfast Celtic
- 4. Distillery Belfast
- 5. Ballymena FC
- 6. Ards Newtonards
- 7. Derry City
- 8. Cliftonville FC
- 9. Portadown FC
- 10. Bangor FC
- 11. Glenavon Lurgan
- 12. Coleraine FC
- 13. Larne FC
- 14. Newry Town
