John J. Mooney

1930–2020 (age 90)

chemical engineer

Biography

John J. Mooney, born in 1930, was a pioneering chemical engineer whose innovations reshaped automotive air pollution control. His work on the three-way catalytic converter helped reduce harmful emissions and earned him international recognition.

Mooney’s brilliance and collaboration across industries demonstrated that engineering could serve both science and society. His contributions to environmental protection continue to benefit generations.

Did you know John J. Mooney?

Help us tell their story. Share a memory, upload a gravestone photo, or correct any details.

Also buried at Maryrest Cemetery

Lester George "Rusty" Paul Jr
1941–2015 (age 74)
Maryrest Cemetery
Lester George 'Rusty' Paul Jr. was a Chicago resident remembered by family and friends before being buried at Maryrest C...
Renee Carhart Amory
1900–1966 (age 66)
Maryrest Cemetery
Renee Carhart Amory was an American woman who lived from 1900 to 1966.
Arthur J. Morris
1883–1965 (age 82)
Maryrest Cemetery
Arthur J. Morris was an American businessman and banker who lived from 1883 to 1965.
William R. Meagher
1903–1981 (age 78)
Maryrest Cemetery
William R. Meagher (1903-1981) was an American professional.
Charles Michael Egan
1877–1955 (age 78)
Maryrest Cemetery
Charles Michael Egan (1877-1955) of Jersey City now lies at Maryrest Cemetery.
Carlotta Havemeyer
1901–1952 (age 51)
Maryrest Cemetery
Carlotta Havemeyer (1901-1952) belonged to the prominent Havemeyer family and is interred at Maryrest Cemetery.