Chicago/ Politics & Govt

19th Ward Alderman Matt O'Shea Won't Seek Reelection After 16 Years, Backs Chief of Staff

AI Assisted Icon
Published on September 12, 2026
19th Ward Alderman Matt O'Shea Won't Seek Reelection After 16 Years, Backs Chief of Staff19th Ward Office
Google Street View

After 16 years representing Chicago's Far Southwest Side, 19th Ward Alderman Matt O'Shea announced he will not seek a fifth term in the February 2027 municipal election, and he's already lined up who he wants to take his place. O'Shea, who has represented the Beverly, Morgan Park and Mount Greenwood neighborhoods since 2011, is backing his chief of staff, Erin Ross, to succeed him.

O'Shea's decision was first reported by Fox 32 Chicago, which noted that O'Shea said it is time for a new generation of leadership. He plans to stay on through work on this year's Chicago city budget before leaving office, and the outlet reported he helped pass last year's budget as well. O'Shea, who succeeded former Ald. Virginia Rugai after working for her before taking office, told the station that Ross is a person of utmost integrity, describing her as compassionate, communicative, hardworking, a trusted friend and a fierce advocate for the community.

Ross, who grew up one block from O'Shea and has served as his chief of staff for three years, plans to formally announce her own campaign on Friday, per the same account. She cautioned that the seat is not hers by default, telling the outlet the upcoming election is not guaranteed. Before joining O'Shea's office, Ross spent more than a decade as executive director of the 95th Street Business Association, where she managed commercial corridor revitalization and small business initiatives, according to Capitol Fax.

A Ward Built Around City Workers

The 19th Ward holds the highest concentration of resident Chicago police officers and firefighters of any ward in the city, a dynamic that has shaped its politics for decades, according to Patch. That dense first-responder and municipal-worker population is a demographic characteristic of the ward. In the February 2023 election, O'Shea won a fourth term with more than 60% of the vote, according to data compiled on Wikipedia.

Under Chicago's nonpartisan municipal election system, a candidate must clear more than 50% of the vote in February to win outright and avoid an April runoff. The city's next general election is set for February 23, 2027, with runoffs scheduled for April 6, 2027, to decide all 50 City Council seats and citywide offices, per the Chicago Board of Election Commissioners. Whether any nonpartisan challengers will enter the race remains an open question in a ward known for turning out voters.

Part of a Broader City Council Exodus

O'Shea is among the Chicago City Council members to announce he will not seek reelection this cycle, following 13th Ward Ald. Marty Quinn's July announcement and 22nd Ward Ald. Michael Rodriguez's departure this month, according to Patch. Quinn was reportedly the first sitting council member to publicly commit to stepping down at the end of this term, and the wave signals significant institutional turnover heading into 2027.

In explaining his own exit, O'Shea cited the physical and emotional toll of round-the-clock aldermanic duties — responding to severe weather, basement flooding, and neighborhood crime — along with growing political polarization at City Hall, per CBS News. He pointed to the 2015 opening of the Morgan Park Sports Center, which includes an ice rink and gymnastics center, as one of his proudest achievements, and told Fox 32 he is proud of improving schools and parks throughout the ward.

Deep Political Roots on the Southwest Side

O'Shea's career predates his time on the council. Before his 2011 election, he worked as an intern and staffer in the 19th Ward office under Rugai, and he will continue as the 19th Ward's Democratic committeeperson after his aldermanic term, according to WTTW. O'Shea is chairman of the Committee on Aviation, per Flychicago, meaning his departure will leave that chairmanship vacant heading into a new council term.

The succession dynamic echoes O'Shea's own path to office, having succeeded longtime Ald. Virginia Rugai in 2011 after working for her. Now he and Ross say they plan to campaign together for the 19th Ward seat as she seeks to keep it in familiar hands. The announcement lands amid other recent local flashpoints O'Shea has weighed in on, including a ruse burglary targeting an elderly couple that led him to issue safety warnings to senior residents across Beverly, Morgan Park and Mount Greenwood.