13 things about New Lenox, Illinois’s John Prevost

John Joseph Prevost is a resident of New Lenox, Illinois, United States. His younger brother Robert Francis Prevost, whose papal name is Pope Leo XIV, is the Catholic Church head.

BIOGRAPHY

John is originally from Chicago, Illinois. Here are 13 more things about him:

1. His mother is Joseph Navvale Martinez and Louise Baquie Martinez‘s daughter and his father is John P. Prevost and Susanne Prevost‘s son.
2. He grew up in Dolton, Illinois.
3. He attended Mendel Catholic High School in Chicago.
4. He is the second of the three sons of Chicago natives Louis Marius Prevost and Mildred Prevost.
5. His grandfather Joseph turned 62 on January 8, 1926 and died in Chicago on July 31, 1926.
6. His grandmother Louise turned 77 on February 9, 1945 and died in Chicago on November 17, 1945.
7. On July 9, 1951, his older brother Louis Martin Prevost was born.
8. On September 14, 1955, his younger brother Robert was born in Chicago.
9. His grandfather John P. turned 83 on June 24, 1959 and died in Evergreen Park, Illinois on May 22, 1960.
10. His grandmother Susanne turned 85 on February 2, 1979 and died in Detroit, Michigan, USA on October 10, 1979.
11. His mother turned 78 on December 30, 1989 and died in Chicago Heights, Illinois on June 18, 1990.
12. His father turned 77 on July 28, 1997 and died in Homewood, Illinois on November 8, 1997.
13. On March 22, 2025, he turned 71.

TIMELINE

Aside from Chicago and New Lenox, John Joseph has lived in other parts of Illinois including Homewood and Riverdale. His mother is of Haitian, African, French and Spanish descent and his father is of French and Italian descent.

2024

• In August 2024, his younger brother Robert presided over Mass at St. Jude Catholic Church in New Lenox.

2025

• On May 6, 2025, he spoke to his younger brother Robert.
• On May 8, 2025, his younger brother Robert was elected pope during the papal conclave in Vatican City. He told Gulf Coast News, “I’m almost speechless. It’s just mind-blowing that my brother was elected pope today.”