Michael O'Brien
| Date of birth | 10 August 1893 |
| Place of birth | Kilcock |
| Nationality | Irish |
| Position | Centre half |
Ireland International
Also represented Eire versus Italy on 27 April 1927. It was his only cap for Eire.
Club stats
| Season | Team | Competition | Apps | Subs | Goals | Y | R |
|---|---|---|---|---|---|---|---|
| 1921-22 | Leicester City | League Division Two | 6 | ||||
| 1922-23 | Leicester City | FA Cup | 2 | ||||
| 1922-23 | Leicester City | League Division Two | 24 | 2 |
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| 1923-24 | Leicester City | League Division Two | 35 | 4 |
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| 1926-27 | Derby County | League Division One | 1 | ||||
| 1927-28 | Derby County | FA Cup | 2 | ||||
| 1927-28 | Derby County | League Division One | 2 |
Please note: Career stats are based on performances in the Premier and Football Leagues and (in most cases all) internationals.
Club matches
| Date | Match | Result | Competition | Round | |
|---|---|---|---|---|---|
| 18 Mar 1922 | Leicester City v Notts County | W | 3-0 | League Division Two | |
| 08 Apr 1922 | Crystal Palace v Leicester City | L | 1-0 | League Division Two | |
| 14 Apr 1922 | Port Vale v Leicester City | D | 1-1 | League Division Two | |
| 15 Apr 1922 | Leicester City v Rotherham County | W | 1-0 | League Division Two | |
| 29 Apr 1922 | Leicester City v Sheffield Wednesday | D | 1-1 | League Division Two | |
| 06 May 1922 | Sheffield Wednesday v Leicester City | L | 1-0 | League Division Two | |
| 26 Aug 1922 | Stockport County v Leicester City | W | 4-5 | League Division Two | |
| 28 Aug 1922 | Leicester City v Rotherham County | W | 3-0 | League Division Two | |
| 02 Sep 1922 | Leicester City v Stockport County | W | 2-0 | League Division Two | |
| 04 Sep 1922 | Rotherham County v Leicester City | D | 0-0 | League Division Two | |
| 09 Sep 1922 | Leyton Orient v Leicester City | L | 2-0 | League Division Two | |
| 02 Dec 1922 | Leicester City v Sheffield Wednesday | W | 3-1 | League Division Two | |
| 25 Dec 1922 | Leicester City v Blackpool | L | 1-2 | League Division Two | |
| 26 Dec 1922 | Blackpool v Leicester City | W | 1-2 | League Division Two | |
| 30 Dec 1922 | Barnsley v Leicester City | W | 0-1 | League Division Two | |
| 06 Jan 1923 | Leicester City v Barnsley | D | 2-2 | League Division Two | |
| 13 Jan 1923 | Leicester City v Fulham | W | 4-0 | FA Cup | 1st round |
| 20 Jan 1923 | Leicester City v Notts County | W | 2-1 | League Division Two | |
| 27 Jan 1923 | Notts County v Leicester City | L | 1-0 | League Division Two | |
| 03 Feb 1923 | Leicester City v Cardiff City | L | 0-1 | FA Cup | 2nd round |
| 10 Feb 1923 | West Ham United v Leicester City | D | 2-2 | League Division Two | |
| 15 Feb 1923 | Leicester City v West Ham United | L | 0-6 | League Division Two | |
| 17 Feb 1923 | South Shields AFC v Leicester City | L | 2-1 | League Division Two | |
| 26 Feb 1923 | Leicester City v South Shields AFC | W | 3-0 | League Division Two | |
| 03 Mar 1923 | Wolverhampton Wanderers v Leicester City | W | 1-2 | League Division Two | |
| 10 Mar 1923 | Leicester City v Wolverhampton Wanderers | W | 7-0 | League Division Two | |
| 17 Mar 1923 | Leicester City v Coventry City | W | 2-1 | League Division Two | |
| 24 Mar 1923 | Coventry City v Leicester City | D | 1-1 | League Division Two | |
| 30 Mar 1923 | Fulham v Leicester City | L | 2-0 | League Division Two | |
| 31 Mar 1923 | Leicester City v Port Vale | W | 3-0 | League Division Two | |
| 02 Apr 1923 | Leicester City v Fulham | D | 1-1 | League Division Two | |
| 07 Apr 1923 | Port Vale v Leicester City | D | 0-0 | League Division Two | |
| 25 Aug 1923 | Hull City v Leicester City | D | 1-1 | League Division Two | |
| 27 Aug 1923 | Leicester City v Stoke | W | 5-0 | League Division Two | |
| 01 Sep 1923 | Leicester City v Hull City | D | 1-1 | League Division Two | |
| 03 Sep 1923 | Stoke v Leicester City | L | 1-0 | League Division Two | |
| 08 Sep 1923 | Leicester City v Leeds United | W | 2-0 | League Division Two | |
| 15 Sep 1923 | Leeds United v Leicester City | W | 1-2 | League Division Two | |
| 22 Sep 1923 | Leicester City v Port Vale | W | 2-0 | League Division Two | |
| 29 Sep 1923 | Port Vale v Leicester City | L | 2-1 | League Division Two | |
| 06 Oct 1923 | Leicester City v Bradford City | L | 0-1 | League Division Two | |
| 13 Oct 1923 | Bradford City v Leicester City | D | 2-2 | League Division Two | |
| 20 Oct 1923 | Leicester City v Barnsley | W | 2-0 | League Division Two | |
| 27 Oct 1923 | Barnsley v Leicester City | L | 3-1 | League Division Two | |
| 03 Nov 1923 | Leicester City v Manchester United | D | 2-2 | League Division Two | |
| 10 Nov 1923 | Manchester United v Leicester City | L | 3-0 | League Division Two | |
| 17 Nov 1923 | Leicester City v Bury | W | 3-0 | League Division Two | |
| 01 Dec 1923 | Leicester City v South Shields AFC | W | 4-1 | League Division Two | |
| 08 Dec 1923 | South Shields AFC v Leicester City | W | 1-2 | League Division Two | |
| 15 Dec 1923 | Leicester City v Oldham Athletic | D | 1-1 | League Division Two | |
| 22 Dec 1923 | Oldham Athletic v Leicester City | D | 0-0 | League Division Two | |
| 25 Dec 1923 | Leyton Orient v Leicester City | L | 1-0 | League Division Two | |
| 26 Dec 1923 | Leicester City v Leyton Orient | L | 1-2 | League Division Two | |
| 29 Dec 1923 | Leicester City v Stockport County | D | 1-1 | League Division Two | |
| 26 Jan 1924 | Leicester City v Crystal Palace | W | 1-0 | League Division Two | |
| 09 Feb 1924 | Leicester City v Sheffield Wednesday | W | 2-1 | League Division Two | |
| 11 Feb 1924 | Sheffield Wednesday v Leicester City | L | 2-1 | League Division Two | |
| 16 Feb 1924 | Coventry City v Leicester City | W | 2-4 | League Division Two | |
| 23 Feb 1924 | Leicester City v Coventry City | W | 2-0 | League Division Two | |
| 08 Mar 1924 | Leicester City v Bristol City | W | 5-1 | League Division Two | |
| 22 Mar 1924 | Southampton v Leicester City | L | 1-0 | League Division Two | |
| 29 Mar 1924 | Leicester City v Fulham | W | 2-1 | League Division Two | |
| 05 Apr 1924 | Fulham v Leicester City | L | 1-0 | League Division Two | |
| 12 Apr 1924 | Leicester City v Blackpool | L | 1-2 | League Division Two | |
| 19 Apr 1924 | Blackpool v Leicester City | L | 3-1 | League Division Two | |
| 21 Apr 1924 | Nelson v Leicester City | D | 1-1 | League Division Two | |
| 22 Apr 1924 | Leicester City v Nelson | W | 3-1 | League Division Two | |
Please note: Match history is complete for the Premier and Football Leagues and (in most cases all) internationals.