03/27/1873 "Mrs. Kerrigan's Benefit" - New York, NY - Harry Hill's (attn: "rather small")
Cook vs Magrath
Homer Lane vs Johnny Nash
Ellis vs Askey
* Also featured boxing.
05/03/1873 - New York, NY - New York Assembly Rooms
Collar & Elbow: Joe Ryan vs Homer Lane
* Also featured sprring and variety entertainment.
05/29/1873 "Billy Pastor's Benefit" - New York, NY - Tony Pastor's
Homer Lane vs John Curtis
* Also featured other forms of entertainment.
06/03/1873 - Brooklyn, NY - Gothic Hall
John McMahon def Homer Lane
06/25/1873 - New Haven, CT
John McMahon vs Perry Rigley
06/30/1873 - Jersey City, NJ - St. John's Hall
James Welsh (2-1) John L. Nash
08/07/1873 - New York, NY - Harry Hill's
Cornwall & Devonshire Style: John McMahon drew Albert Ellis
08/16/1873 - New Haven, CT - Exchange Hall
American Middleweight Title*: William L. Kennedy def Homer Lane
09/01/1873 - Kingston, NY - Washington Hall
Homer Lane vs John McMahon
10/13/1873 - Newark, NJ - Library Hall
Homer Lane vs John MacMahon
* Also featured boxing, clog-dancing, etc.
10/23/1873 - New York, NY - Harry Hill's
American Devonshire Title*: John McMahon [American champion] def Albert Ellis [English champion]
12/04/1873 - New York, NY - Harry Hill's
American Middleweight Title*: Homer Lane
(2-1) William L. Kennedy
12/11/1873 - New York, NY - Harry Hill's ("crowded")
American Devonshire Style Title: Albert Ellis (1-1) Thomas Bragg
12/18/1873 - New York, NY - Harry Hill's
American Middleweight Collar & Elbow Title: Homer Lane* (2-0) J.W. Richardson
12/20/1873 New York, NY
John McMahon (1h4m) Homer Lane
Devonshire Style: Albert Ellis (1h9m) ???
12/24/1873 - New York, NY - Harry Hill's
Devonshire Style: Albert Ellis (1-1) Thomas Bragg
3: (both forfeit)
Researches by Hisaharu Tanabe, Jimmy Wheeler, plus additional information from REAL Capital Region Pro Wrestling History (Facebook group)