| John Weglarz | $1,000 | Sep 11, 2024 | Keith For Mayor | Real Estate |
| John Weglarz | $1,000 | Sep 11, 2024 | Keith For Mayor | Real Estate |
| MARK WEGLARZ | $4,000 | Mar 6, 2019 | Friends of Derek Lindblom | Self Employed |
| MARK WEGLARZ | $4,000 | Mar 6, 2019 | Friends of Derek Lindblom | Self Employed |
| MARK WEGLARZ | $1,000 | Feb 1, 2019 | Friends of Derek Lindblom | Self Employed |
| MARK WEGLARZ | $1,000 | Feb 1, 2019 | Friends of Derek Lindblom | Self Employed - Real Estate investment |
| Mark L. Weglarz | $1,000 | Sep 29, 2017 | Citizens for Lisa Madigan | Real Estate Developer |
| Mark L. Weglarz | $1,000 | Sep 29, 2017 | Citizens for Lisa Madigan | Real Estate Developer |
| Mark L. Weglarz | $1,000 | Sep 26, 2016 | Citizens for Lisa Madigan | Real Estate Developer |
| Mark L. Weglarz | $1,000 | Sep 26, 2016 | Citizens for Lisa Madigan | Real Estate Developer |
| Mark L. Weglarz | $1,000 | Sep 26, 2016 | Citizens for Lisa Madigan | Real Estate Developer |
| Jon S Weglarz Jon S. Weglarz Trust | $1,000 | Aug 24, 2016 | 23rd Ward Regular Democratic Organization | co - president |
| Jon S Weglarz Jon S. Weglarz Trust | $1,000 | Aug 24, 2016 | 23rd Ward Regular Democratic Organization | co - president |
| Mark L Weglarz Mark L Weglarz Trust | $1,000 | Aug 24, 2016 | 23rd Ward Regular Democratic Organization | co - president |
| Mark L Weglarz Mark L Weglarz Trust | $1,000 | Aug 24, 2016 | 23rd Ward Regular Democratic Organization | co - president |
| Mark Weglarz | $1,000 | Jun 22, 2012 | Friends of Dart | Owner |
| Mark Weglarz | $1,000 | Jun 22, 2012 | Friends of Dart | Owner |
| Mark Weglarz | $1,000 | Jun 22, 2012 | Friends of Dart | Invester |
| Mark Weglarz | $1,000 | Dec 20, 2011 | Friends of Dart | Owner |
| Mark Weglarz | $1,000 | Mar 10, 2009 | Friends of Dart | Owner |
| Mark Weglarz | $500 | Aug 24, 2007 | Friends of Dart | Owner |
| Mark Weglarz | $1,500 | Jul 12, 2007 | Friends of Dart | Owner |
| Mark Weglarz | $1,500 | Aug 2, 2006 | Friends of Dart | Owner |
| Mark Weglarz | $1,500 | Aug 2, 2006 | Friends of Dart | Owner |
| Mark L. Weglarz | $1,000 | Aug 26, 2004 | Citizens for Lisa Madigan | Real Estate Developer |
| Jacob Weglarz | $5,000 | Jan 21, 2003 | Richard M Daley Campaign Comm | Hotel Owner |
| Jacob Weglarz | $5,000 | Jan 21, 2003 | Richard M Daley Campaign Comm | Hotel Owner |
| Jacob Weglarz | $5,000 | Jan 21, 2003 | Richard M Daley Campaign Comm | Hotel Owner |
| Jacob Weglarz | $5,000 | Jan 21, 2003 | Richard M Daley Campaign Comm | Hotel Owner |
“the ward with no alderman”