 |
 |
| FA Cup 1920/1921 | |||||||
| Runde | Datum | Ort | Gegner | Res. | |||
|---|---|---|---|---|---|---|---|
| 1. Runde | 08.01.1921 | H |
|
Eccles United | 5:1 | ||
| 2. Runde | 29.01.1921 | H |
|
Blackpool FC | 1:0 | ||
| Achtelfinale | 19.02.1921 | H |
|
Tottenham Hotspur | 1:4 | ||
England 
![Southend United [U18]](https://s.hs-data.com/bilder/wappen/mini/33329.gif?fallback=png "Southend United [U18]"){kind=small}
![Southend United [U16]](https://s.hs-data.com/bilder/wappen/mini/60482.gif?fallback=png "Southend United [U16]"){kind=small}