Jack O'Brien
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| Date of Birth: | February 1, 2005 | Shot: | L |
| Hometown: | Kennebunk, ME | Height: | 6'2" |
| Nation: | United States | Weight: | 205 |
| Position: | Defense | Commit: | Sacred Heart | 2025 |
Amateur Scouting Reports
Elite Prospects Data
View player at Elite Prospects
| Draft Type | Draft Year | Round | Overall | Team |
|---|---|---|---|---|
| QMJHL Entry Draft | 2021 | 9 | 150 | Sherbrooke Phoenix |
| USHL Entry Draft | 2025 | 11 | 185 | Dubuque Fighting Saints |
| Transfer From | Transfer To | Position | Date |
|---|---|---|---|
| Maine Nordiques | Sacred Heart Univ. | D | 2026-05-17 |
| Sarnia Sting | Soo Greyhounds | D | 2025-10-14 |
| Sarnia Sting | Dubuque Fighting Saints | D | 2025-08-25 |
| Cranbrook Bucks | Sarnia Sting | D | 2024-12-05 |
| Season Stats | Team | League | GP | G | A | PTS | PIM | Playoffs | GP | G | A | PTS | PIM |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2014-2015 | Boston Jr. Bruins | Brick Invitational | 6 | 0 | 1 | 1 | 8 | Playoffs | 1 | 0 | 0 | 0 | 2 |
| 2019-2020 | Boston Advantage 16U AAA | ECEL 16U | 15 | 0 | 0 | 0 | 0 | ||||||
| 2020-2021 | Boston Advantage 16U AAA | USPHL 16U | 4 | 0 | 1 | 1 | 2 | Playoffs | 3 | 0 | 1 | 1 | 0 |
| 2021-2022 | The Hill School | USHS-Prep | 32 | 2 | 12 | 14 | 14 | ||||||
| 2022-2023 | The Hill School | USHS-Prep | 39 | 4 | 14 | 18 | |||||||
| 2022-2023 | The Hill School | TNPHL | 13 | 2 | 5 | 7 | 14 | ||||||
| 2023-2024 | The Hill School | USHS-Prep | 33 | 4 | 16 | 20 | |||||||
| 2023-2024 | The Hill School | Circle K Classic | 4 | 0 | 2 | 2 | 6 | ||||||
| 2024-2025 | Cranbrook Bucks | BCHL | 23 | 1 | 6 | 7 | 18 | ||||||
| 2024-2025 | Sarnia Sting | OHL | 40 | 2 | 5 | 7 | 23 | ||||||
| 2025-2026 | Dubuque Fighting Saints | USHL | 1 | 0 | 0 | 0 | 2 | ||||||
| 2025-2026 | Soo Greyhounds | OHL | 16 | 0 | 1 | 1 | 12 | ||||||
| 2025-2026 | Maine Nordiques | NAHL | 21 | 2 | 4 | 6 | 20 | Playoffs | 3 | 0 | 0 | 0 | 4 |
| 2026-2027 | Sacred Heart Univ. | NCAA | |||||||||||
