| $500 | Jan 7, 2026 | Friends of Stanton | — | — |
| $500 | Jan 7, 2026 | Friends of Stanton | — | — |
| $1,500 | Jan 10, 2019 | Citizens for Patrick O'Connor | attorney | 'Connor & Nakos |
| $1,500 | Jan 10, 2019 | Citizens for Patrick O'Connor | attorney | 'Connor & Nakos |
| $750 | Mar 12, 2018 | Taxpayers for Quinn | Regional Manager | D. O'Connor & Associates |
| $750 | Mar 12, 2018 | Taxpayers for Quinn | Regional Manager | D. O'Connor & Associates |
| $1,000 | Feb 23, 2018 | Citizens for Patrick O'Connor | attorney | Self-employed |
| $1,000 | Feb 23, 2018 | Citizens for Patrick O'Connor | attorney | Self-employed |
| $1,000 | Oct 28, 2017 | Citizens for Patrick O'Connor | attorney | Self-employed |
| $1,000 | Oct 28, 2017 | Citizens for Patrick O'Connor | attorney | Self-employed |
| $180 | Aug 22, 2017 | Citizens for Patrick O'Connor | attorney | 'Connor & Nakos |
| $180 | Aug 22, 2017 | Citizens for Patrick O'Connor | attorney | 'Connor & Nakos |
| $500 | Aug 4, 2017 | IUOE Local 399 Political Education Fund | — | — |
| $500 | Aug 4, 2017 | IUOE Local 399 Political Education Fund | — | — |
| $500 | Mar 27, 2017 | Citizens for Patrick O'Connor | attorney | Self-employed |
| $500 | Mar 27, 2017 | Citizens for Patrick O'Connor | attorney | Self-employed |
| $400 | Jun 8, 2016 | Citizens for Patrick O'Connor | attorney | 'Connor & Nakos |
| $200 | Jun 7, 2016 | IUOE Local 399 Political Education Fund | — | — |
| $200 | Jun 7, 2016 | IUOE Local 399 Political Education Fund | — | — |
| $200 | Jun 7, 2016 | IUOE Local 399 Political Education Fund | — | — |
| $1,000 | Jun 10, 2015 | Friends for Susana Mendoza | Attorney | Anesi, Ozmon, Rodin, Novak & Kohen, Ltd. |
| $1,000 | Jun 10, 2015 | Friends for Susana Mendoza | Attorney | Anesi, Ozmon, Rodin, Novak & Kohen, Ltd. |
| $1,000 | Nov 3, 2014 | Citizens for Patrick O'Connor | attorney | Self-employed |
| $1,000 | Nov 3, 2014 | Citizens for Patrick O'Connor | attorney | Self-employed |
| $1,000 | Nov 3, 2014 | Citizens for Patrick O'Connor | attorney | Self-employed |
| $194 | Aug 4, 2014 | Citizens for Tim Meegan | — | — |
| $200 | Aug 4, 2014 | Citizens for Tim Meegan | — | — |
| $500 | Jul 21, 2014 | IUOE Local 399 Political Education Fund | — | — |
| $1,500 | Feb 18, 2014 | Citizens for Patrick O'Connor | attorney | Self-employed |
| $1,500 | Feb 18, 2014 | Citizens for Patrick O'Connor | attorney | Self-employed |
| $1,500 | Feb 18, 2014 | Citizens for Patrick O'Connor | attorney | Self-employed |
| $1,500 | Jun 7, 2012 | Citizens for Patrick O'Connor | LAWYER | SELF-EMPLOYED |
| $1,500 | Jun 7, 2012 | Citizens for Patrick O'Connor | LAWYER | SELF-EMPLOYED |
| $1,500 | Jun 7, 2012 | Citizens for Patrick O'Connor | LAWYER | SELF-EMPLOYED |
| $500 | Jun 6, 2012 | Friends for Mary O'Connor | — | — |
| $500 | Jun 6, 2012 | Friends for Mary O'Connor | — | — |
| $300 | Jun 4, 2012 | Citizens for Patrick O'Connor | LAWYER | SELF-EMPLOYED |
| $300 | Jun 4, 2012 | Citizens for Patrick O'Connor | LAWYER | SELF-EMPLOYED |
| $200 | May 4, 2012 | IUOE Local 399 Political Education Fund | — | — |
| $1,400 | Feb 21, 2012 | Citizens for Patrick O'Connor | LAWYER | SELF-EMPLOYED |
| $1,400 | Feb 21, 2012 | Citizens for Patrick O'Connor | LAWYER | SELF-EMPLOYED |
| $1,400 | Feb 21, 2012 | Citizens for Patrick O'Connor | LAWYER | SELF-EMPLOYED |
| $600 | Oct 20, 2011 | Citizens for Patrick O'Connor | LAWYER | SELF-EMPLOYED |
| $200 | Sep 20, 2011 | Friends for Mary O'Connor | — | — |
| $200 | Sep 20, 2011 | Friends for Mary O'Connor | — | — |
| $200 | Sep 20, 2011 | Friends for Mary O'Connor | — | — |
| $300 | May 25, 2011 | Citizens for Patrick O'Connor | LAWYER | O'CONNOR & NAKOS |
| $900 | Feb 16, 2011 | Citizens for Patrick O'Connor | LAWYER | O'CONNOR & NAKOS |
| $200 | Jan 28, 2011 | Friends of O'Donnell | — | — |
| $1,000 | Dec 6, 2010 | Friends for Mary O'Connor | Attorney | O'Connor & Nakos, Ltd. |
| $450 | Oct 18, 2010 | Citizens for Patrick O'Connor | LAWYER | O'CONNOR & NAKOS |
| $450 | Oct 18, 2010 | Citizens for Patrick O'Connor | LAWYER | O'CONNOR & NAKOS |
| $1,000 | Sep 23, 2010 | Citizens for Patrick O'Connor | LAWYER | O'CONNOR & NAKOS |
| $1,000 | Sep 23, 2010 | Citizens for Patrick O'Connor | LAWYER | O'CONNOR & NAKOS |
| $500 | Jan 25, 2010 | O'Brien for Cook County | — | — |
| $500 | Jan 25, 2010 | O'Brien for Cook County | — | — |
| $200 | Oct 8, 2009 | O'Brien for Cook County | — | — |
| $200 | Oct 8, 2009 | O'Brien for Cook County | — | — |
| $50 | Jun 4, 2001 | Citizens for Patrick O'Connor | — | — |
| $225 | Apr 10, 2001 | Citizens for Patrick O'Connor | — | — |
| $120 | Feb 5, 2001 | Citizens for Patrick O'Connor | — | — |