One website spells it "MacCutchoen Variation", but this looked wrong to me, so I did some research and found the person who invented the opening. It was a 19nth century master. His win against the world champion in a simultaneous exhibition brought the opening to the public attention.
[Event "New York simul"]
[Site "New York simul"]
[Date "1885.??.??"]
[Round "?"]
[White "Wilhelm Steinitz"]
[Black "John Lindsay McCutcheon"]
[Result "0-1"]
[ECO "C12"]
[PlyCount "99"]
[EventDate "1885.??.??"]
1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bxf6 gxf6 7. Nf3 f5 8. Bd3
c5 9. dxc5 Bxc5 10. O-O Nc6 11. Qd2 Qe7 12. Qf4 Bd7 13. Nb5 O-O-O 14. c4 Be8
15. Rfc1 Kb8 16. a3 a6 17. Nc3 dxc4 18. Bxc4 Nd4 19. Ne2 Nxf3+ 20. Qxf3 Bc6 21.
Qh3 Ka7 22. b4 Bb6 23. Nc3 Rhg8 24. Bf1 Rd2 25. Nd1 Qg5 26. Rxc6 bxc6 27. Qc3
Qf4 28. Qxc6 Rxd1 29. Qxb6+ Kxb6 30. Rxd1 Qxe5 31. a4 Qf4 32. a5+ Kc7 33. g3
Qxb4 34. Bxa6 Qxa5 35. Be2 Rd8 36. Rc1+ Kd6 37. Rd1+ Ke7 38. Rxd8 Qxd8 39. Kg2
Qd5+ 40. Bf3 Qd3 41. Bb7 Qb5 42. Bf3 Qa5 43. h3 Qb5 44. g4 Qd3 45. Bb7 Kd6 46.
Ba8 Kc7 47. Bf3 fxg4 48. Bxg4 Qd5+ 49. Bf3 Qf5 50. Be2 0-1
[Site "New York simul"]
[Date "1885.??.??"]
[Round "?"]
[White "Wilhelm Steinitz"]
[Black "John Lindsay McCutcheon"]
[Result "0-1"]
[ECO "C12"]
[PlyCount "99"]
[EventDate "1885.??.??"]
1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bxf6 gxf6 7. Nf3 f5 8. Bd3
c5 9. dxc5 Bxc5 10. O-O Nc6 11. Qd2 Qe7 12. Qf4 Bd7 13. Nb5 O-O-O 14. c4 Be8
15. Rfc1 Kb8 16. a3 a6 17. Nc3 dxc4 18. Bxc4 Nd4 19. Ne2 Nxf3+ 20. Qxf3 Bc6 21.
Qh3 Ka7 22. b4 Bb6 23. Nc3 Rhg8 24. Bf1 Rd2 25. Nd1 Qg5 26. Rxc6 bxc6 27. Qc3
Qf4 28. Qxc6 Rxd1 29. Qxb6+ Kxb6 30. Rxd1 Qxe5 31. a4 Qf4 32. a5+ Kc7 33. g3
Qxb4 34. Bxa6 Qxa5 35. Be2 Rd8 36. Rc1+ Kd6 37. Rd1+ Ke7 38. Rxd8 Qxd8 39. Kg2
Qd5+ 40. Bf3 Qd3 41. Bb7 Qb5 42. Bf3 Qa5 43. h3 Qb5 44. g4 Qd3 45. Bb7 Kd6 46.
Ba8 Kc7 47. Bf3 fxg4 48. Bxg4 Qd5+ 49. Bf3 Qf5 50. Be2 0-1
"I have no respect for a man who can spell a word only one way." - Mark Twain.