Phillip Dennis Siadak

Age 75, of Lansing, Illinois passed away peacefully on Thursday, October 16, 2025. Born on September 7, 1950, in Chicago, Illinois, Phillip was the beloved son of the late Joseph Siadak and Frances N. (nee Szymanski) Siadak.

He is survived by his loving sons, James Siadak and Seth Siadak. Phillip was a devoted member of Covenant Fellowship Church and will be remembered for his deep faith and his kind spirit.

A passionate historian, Phillip had a lifelong interest in Abraham Lincoln, Chicago's rich past, and its storied criminal history. He was also an enthusiastic Civil War reenactor, honoring history through his dedication and attention to detail.

A Memorial Mass will be held at 1:00 PM on Saturday, November, 8, 2025 directly at Covenant Fellowship Church of South Holland , 600 W. 162nd St., South Holland, Illinois 60473. Friends may visit with the family at church from 12:30 PM until the time of Mass.

Phillip Dennis Siadak will be dearly missed by his family, friends, and all who knew him.