Peter Francis Mack Jr.

U.S. Representative

Illinois · District 21

DemocraticIn this role on January 2, 1959

Follow the offices they held and go directly to the public record. Service history is indexed here; additional records open at their source.

INDEXED SERVICE HISTORY

The offices. The years.

Each entry retains its source and dates. Current term end dates are scheduled dates and may change.

January 3, 1961 — January 3, 1963
U.S. Representative
Illinois · District 21
Democratic Service source
January 7, 1959 — January 3, 1961
U.S. Representative
Illinois · District 21
Democratic Service source
January 3, 1957 — January 3, 1959
U.S. Representative
Illinois · District 21
Democratic Service source
January 5, 1955 — January 3, 1957
U.S. Representative
Illinois · District 21
Democratic Service source
January 3, 1953 — January 3, 1955
U.S. Representative
Illinois · District 21
Democratic Service source
January 3, 1951 — January 3, 1953
U.S. Representative
Illinois · District 21
Democratic Service source
January 3, 1949 — January 3, 1951
U.S. Representative
Illinois · District 21
Democratic Service source

Service history is indexed from 1789. Current Congress is checked against both official rosters. Cabinet coverage is a dated current snapshot. See coverage and methodology

Checked Sep 7, 2026