William O'Sullivan
Career snapshot
Position rank · 25/26
Among 1,246 Goalkeepers · ≥200 mins
Born the same day
Shares 2005-12-17 · 4 players total
| Full name | William O'Sullivan |
|---|---|
| Date of birth | 2005-12-17 (20 yrs) |
| Place of birth | , |
| Citizenship |  England |
| Position | Goalkeeper |
| Foot | |
| Height | 0.00 m |
| Current club | Birmingham City U21 |
| Joined | 2024-07-01 |
| Contract expires | 2026-06-30 |
Percentile rank vs 388 other Goalkeepers with ≥500 minutes in 25/26. Higher = better (except cards, where lower = better — inverted automatically).
| Club | Seasons | First | Last | Matches | Goals | Assists | Minutes |
|---|---|---|---|---|---|---|---|
| Birmingham City U21 | 2 | 24/25 | 25/26 | 3 | 0 | 0 | 270 |
| Birmingham City U18 | 1 | 21/22 | 21/22 | 0 | 0 | 0 | 0 |
Career trajectory — goals, assists & market value
Goals by season
Assists by season
| Season | Competition | Club | Matches | Goals | Assists | YC | RC | Minutes |
|---|---|---|---|---|---|---|---|---|
| 25/26 | Premier League 2 | Birmingham City U21 | 2 | 0 | 0 | 0 | 0 | 180 |
| 25/26 | Premier League Cup | Birmingham City U21 | 1 | 0 | 0 | 0 | 0 | 90 |
| 24/25 | Premier League Cup | Birmingham City U21 | 0 | 0 | 0 | 0 | 0 | 0 |
| 21/22 | U18 Premier League | Birmingham City U18 | 0 | 0 | 0 | 0 | 0 | 0 |
| Season | Date | From | To | Type | Market value | Fee |
|---|---|---|---|---|---|---|
| 23/24 | 2023-07-01 | Birmingham Aca. | Birmingham U18 | Transfer | 0 | — |
| 24/25 | 2024-07-01 | Birmingham U18 | Birmingham U21 | Transfer | 0 | — |
No recorded injuries.
No market value history.
No national team data.
| Teammate | PPG played with | Joint goals | Minutes |
|---|---|---|---|
| Aurelien Gurnier | 1 | 0 | 224 |
| Jack Quirk | 2 | 0 | 180 |
Goalkeeper-specific aggregates: clean sheets and goals conceded by season.
| Season | Matches | Mins | Clean sheets | CS % | Goals conceded | GC / 90′ |
|---|---|---|---|---|---|---|
| 25/26 | 3 | 270 | 1 | 33% | 7 | 2.33 |
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Frequently asked about William O'Sullivan
Who is William O'Sullivan?
William O'Sullivan is an England professional footballer who plays as a goalkeeper for Birmingham City U21.
How old is William O'Sullivan?
William O'Sullivan is 20 years old. He was born on December 17, 2005.
What position does William O'Sullivan play?
William O'Sullivan plays as a goalkeeper (Goalkeeper).
What club does William O'Sullivan play for?
William O'Sullivan currently plays for Birmingham City U21.