Lewis O'Brien | |
|---|---|
| Member of the Legislative Assembly of Alberta | |
| In office March 21, 1940 – August 7, 1944 | |
| Preceded by | William Sharpe |
| Succeeded by | Ira McLaughlin |
| Constituency | Grande Prairie |
| Personal details | |
| Born | November 28, 1868 Laskay, Ontario |
| Died | June 14, 1955 (aged 86) Edmonton, Alberta |
| Political party | Unity Movement |
| Spouse | Alice O'Brien |
| Alma mater | University of Toronto (B.A.) University of Würzburg (M.D.) |
| Occupation | Physician, surgeon |
| Military service | |
| Allegiance | Canada |
| Branch/service | Canadian Army Medical Corps |
| Years of service | 1915–1918 |
| Rank | Captain |
| Battles/wars | World War I |
Lewis James O'Brien (November 28, 1868 – June 14, 1955) was a provincial level politician and medical doctor from Alberta, Canada. He served as a member of the Legislative Assembly of Alberta from 1940 to 1944.