Listed as a CPA in IRS public preparer records. Source: IRS PTIN FOIA extract (Feb 2026), retrieved October 23, 2026. https://www.irs.gov/pub/foia/foia-illinois-extract.csv No state license number is on file. Specialties are blank until this preparer claims the listing. CPA Seek does not contact preparers.

Katherine T Byrne

CPA · DiGiovine, Hnilo, Jordan & Johnson, Ltd.

Saint Charles, Illinois 60174

Katherine T Byrne, CPA in Saint Charles, IL

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Katherine T Byrne, CPA in Saint Charles · CPA Seek