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♂ Patrick W. O'Brien
aliasPatrick W. O'Brien
Record
46692 · 1538

Type of record
Elected candidate ✓
Known but unelected candidate
Perennial candidate		 Not in office Performance: 100%
  ✓ ✗ ∑
Canada 4 0 4
Birth 13 January 1948
Age 76 years + 3 months
First mandate 25 October 1993 → 30 years + 6 months ago
↳ at age 45 years + 9 months
 
Mandate ended 18 years + 3 months ago (22 January 2006)
Special notes
None
 
Patrick W. O'Brien (1948– )
© Photo 2004 House of Commons (Canada) — Fair trade
Family tie with other documented individual
None
 

Service in elected office

Legislature Total Government Opposition
years months days years months days years months days
Canada 12 2 25

Electoral history

Races 4  
Path points 5  
3 documented challengers
⊕ Edwin A. Holder  m 
⊕ John Mazzilli  m 
 		 ⊕ Irene R. Mathyssen  f  (2 runoffs)
 
Eligible: 77,295 Votes: 50,925 Participation: 65.88% Candidacies: 11
Federal
35		 Ontario
25 October 1993
General
First-past-the-post
Gov't  LIB  Majority
ID: 3291(F) — 16 Aug 2021 01:29 ET
✓
 → New to Parliament
Age
45
LIB
 1/11 27,232 53.87% +17,406 Loser:
REF
 9,826 19.44% Mark Simpson

Service: 3 years 7 months 7 days (Gov't)
Eligible: 68,687 Votes: 40,329 Participation: 58.71% Candidacies: 5
Federal
36		 Ontario
2 June 1997
General
First-past-the-post
Gov't  LIB  Majority
ID: 2992(F) — 16 Aug 2021 01:29 ET
✓
 Re-elected incumbent
Age
49
LIB
 1/5 20,497 51.20% +13,659 Loser:
REF
 6,838 17.08% Scott Bowman

Service: 3 years 5 months 24 days (Gov't)
Eligible: 71,274 Votes: 36,094 Participation: 50.64% Candidacies: 4
Federal
37		 Ontario
27 November 2000
General
First-past-the-post
Gov't  LIB  Majority
ID: 2701(F) — 16 Aug 2021 01:29 ET
✓
 Re-elected incumbent
Age
52
LIB
 1/4 19,677 54.81% +11,679 Loser:
CA
 7,998 22.28% Robert Vaughan

Service: 3 years 7 months (Gov't)
Eligible: 74,391 Votes: 41,416 Participation: 55.67% Candidacies: 6
Federal
38		 Ontario
28 June 2004
General
First-past-the-post
Gov't  LIB  Minority
ID: 1108(F) — 28 Aug 2023 12:31 ET
✓
 Re-elected incumbent
Age
56
LIB
 1/6 15,664 38.08% +3,153 Loser:
NDP
 12,511 30.41% Irene R. Mathyssen
After his election:
6 Jun 2005 57
LIB
 →
IND
 Changed allegiance (joined opposition)
Service: 1 year 6 months 25 days (Gov't & Oppo.)
Eligible: 75,174 Votes: 46,779 Participation: 62.23% Candidacies: 4
Federal
39		 Ontario
23 January 2006
General
First-past-the-post
Gov't  CPC  Minority
ID: 797(F) — 16 Aug 2021 01:29 ET
—
 Incumbent did not run in this election →
Age
58		 Successor:
NDP
 16,067 34.51% Irene R. Mathyssen

Online biographical references (3)

Bilingual references are counted as a single reference.  Retrieved on
EN Parliament of Canada (ParlInfo)
Mr. Pat O'Brien, M.P.		 13 Feb 2024
FR Parlement du Canada (ParlInfo)
Monsieur Pat O'Brien, député		 13 Feb 2024
EN Wikipedia
Pat O'Brien (Canadian politician)		 13 Feb 2024
FR Wikipédia
Pat O'Brien (homme politique)		 13 Feb 2024

© 2019, 2024 :: PoliCan.ca (Maurice Y. Michaud)
Pub.: 22 Jun 2019 17:01
Rev.: 13 Feb 2024 07:58 (but data presented dynamically)

© 2019-2024 :: PoliCan.ca
Given that electoral results are by their very nature public information, such data that can be found in PoliCan are considered to be in the public domain. However, unless indicated otherwise, all other elements — the concept of consolidating these data into a single format, the detailed research on each election, legislature and candidate, the organization and searchability of the data, the programming allowing the entry and maintenance of the data, as well as the analyses and explanatory articles found in this website — are the intellectual property of Maurice Y. Michaud.