Billy Cosmos boxer
- bouts
- 18
- won
- 13
- lost
- 3
- draw
- 2
- Status
- inactive
- Division
- featherweight
- Debut
- 1916-03-06
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1928-03-12 | Al Porter | WL | New Bedford | WIN Points |
| 1922-08-03 | Bobby Green | WDLWDL | Fort Sam Houston Auditorium, San Antonio | DRAW Points |
| 1922-04-11 | Jimmy Dundee | L | Beethoven Hall, San Antonio | WIN KO |
| 1922-03-18 | Jack Fowler | WLDWLL | Army Y.M.C.A., San Antonio | WIN Points |
| 1922-03-13 | Frank Cornelius | WWWDDW | Camp Travis, San Antonio | WIN KO |
| 1921-03-17 | Red Evans | LWWWWW | Beethoven Hall, San Antonio | LOST KO |
| 1920-03-18 | Bud Logan | WLDWWL | Beethoven Hall, San Antonio | LOST Technical knockout |
| 1920-01-01 | Bud Logan | DWLWLD | San Antonio | LOST Technical knockout |
| 1919-10-22 | Merced Montes | DWLD | K of C Hall, San Antonio | WIN |
| 1919-01-03 | Osmin Lurie | WLLLLL | Bordeaux | WIN Technical knockout |
| 1917-03-26 | George Kid Lee | DL | Anawan A.A., Taunton | WIN Points |
| 1917-02-27 | George Kid Lee | D | Armory, Boston | WIN Points |
| 1917-02-26 | Charley DeAngelis | debut | New Bedford | WIN Points |
| 1917-02-19 | Joe Gibbs | WD | Coliseum, Woonsocket | WIN Points |
| 1917-02-09 | Young Donahue | D | Rollo Rink, Newport | WIN KO |
| 1916-05-30 | Paul Demers | WWLWWW | New Bedford | DRAW Points |
| 1916-03-20 | Young Queen | debut | Elm Rink, New Bedford | WIN KO |
| 1916-03-13 | Curley O'Connell | LLWWDW | Bristol Arena, New Bedford | WIN Points |
| 1916-03-06 | Frankie Rowan | LLLLLL | New Bedford | WIN |