Before running for office, Duignan was an executive assistant to federal New Democratic Party MPs Derek Blackburn and Lyle Kristiansen.
Lyle Lovett | Tate & Lyle | Lyle Mays | Lyle Berman | Lyle Kessler | Lyle Denniston | Lyle Alzado | Lyle | Thomas Ranken Lyle | Rudy Lyle | Lyle Talbot | Lyle Martin | Lyle Kristiansen | Lyle Ashton Harris | Leonard Lyle, 1st Baron Lyle of Westbourne | Hugh Lyle Carmichael | Dan Kristiansen | Tom Lyle | Thomas Ranken Lyle Medal | Stevie Lyle | Marcus Lyle Brown | Lyle Tuttle | Lyle Tayo | Lyle Stuart | Lyle Smith | Lyle Ritz | Lyle Preslar | Lyle M. Spencer | Lyle Moevao | Lyle, Lyle, Crocodile |