
Erin Chan Ding, left, and Maria Peterson are Democratic candidates for the Illinois House 52nd District seat in the 2026 primary election.
By Steve Zalusky | Daily Herald
The Barrington Area Democratic Organization condemned attack mailers from Erin Chan Ding’s campaign for the Democratic nod in the Illinois House 52nd District primary.
The mailers altered opponent Maria Peterson’s image, placing her head on another person’s body. They also included the phrase, “When Maria Peterson runs, MAGA wins,” along with a list of her past election losses.
“These tactics do not reflect the values of our organization or the spirit of Democratic leadership in our community,” organization officials stated in a press release.
Chan Ding and Peterson are competing to challenge incumbent Republican Martin McLaughlin in the fall election. Peterson narrowly lost to McLaughlin by 47 votes in 2024 and lost by 385 votes to Republican Dan McConchie in 2022.
Peterson called the mailers “Chicago-style politics” that don’t “fit very well out here.”
Chan Ding countered, claiming Peterson distributed an attack ad first in January that “went after my character.” Chan Ding is a Barrington Area Unit District 220 school board member who was criticized by colleagues after an investigation determined she had violated district policies by using school resources, property and social media for prohibited political campaign activities.
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Related: “The D220 Board of Ed gets another ‘F’ in accountability & transparency,” “School district’s parking plan defies logic,” “Zoning change defies village policy,” “District 220 Public Hearing December 16th re: ‘proposal to sell bonds of the District in an amount not to exceed $5,400,000’,” “The Real Issue in Barrington 220 Isn’t Parking or Levies — It’s Leadership Culture,” “Change.org Petition: ‘For the Resignation of Erin Chan Ding ~ D220 Resources are Not for Political Campaigns’,” “BOARD OF ED VOTES, MEMBER CHAN DING MADE FLAGRANT POLICY VIOLATIONS – Part 2,” “BOARD OF ED VOTES, MEMBER CHAN DING MADE FLAGRANT POLICY VIOLATIONS,” “Erin Chan Ding: The violations just keep piling up…,” “Erin Chan Ding starring in another episode of, ‘Rules For Thee But NOT For Me…’,” “District 220’s Lack of Transparency (Updated),” “District 220’s Lack of Transparency,” “Ding Politicking on School District Property,” “Dual School Board and State Rep Positions Legally Incompatible,” “D220 Abuses Taxpayer Funds in favor of Partisan Campaign,” “Ding In Her Own Words – CONFLICTED!,” “Ding Doubles Down,” “Ding’s D220 Deception,” “Chan Ding running in Democratic primary in 52nd,” “Three (3) Democratic candidates queued to run for the IL 52nd District House seat in 2026”











