Family of Pope Leo XIV

Family of Pope Leo XIV is a genealogical subject covering the ancestry and close relatives of Pope Leo XIV, born Robert Francis Prevost. It is not a commercial brand, company, or product line; the supplied Wikipedia subject is an encyclopedic account of a family background that attracted substantial public interest after Prevost's election as pope. The family has roots in several European, Caribbean, and North American communities. The documented ancestry includes French, Italian, Spanish, Louisiana Creole, Caribbean, and French Canadian connections. A genealogical study by Henry Louis Gates Jr., the American Ancestors genealogy society, and the Cuban Genealogy Club of Miami was published in The New York Times in June 2025. The study identified at least 40 known ancestors from France, 24 from Italy, and 21 from Spain, while other ancestors were born in Cuba, Hispaniola, other Caribbean locations, or French Canada. Records also identify at least 17 maternal ancestors associated with Louisiana as having some degree of Black African ancestry, using historical classifications such as Creole of color, free person of color, and related terms. On the paternal side, Leo XIV descends from John Riggitano Prevost, originally Salvatore Giovanni Gaetano Riggitano, a Sicilian immigrant from Milazzo near Messina, and Suzanne Louise Marie Fontaine, a French immigrant born in Le Havre, Normandy. Riggitano arrived in the United States in 1903 and worked as a music and language teacher. He and Fontaine adopted the surname Prevost, which was also Fontaine's maternal family name. Their sons, including Louis Marius Prevost, were given the Prevost surname. This branch established itself in Illinois. Louis Marius Prevost, Leo XIV's father, was born in Chicago in 1920. He served in the United States Navy during the Second World War, including during the Normandy landings and Operation Dragoon in southern France. After the war he earned a master's degree from DePaul University and became superintendent of Brookwood School District 167 in Glenwood, Illinois. He was also active as a Catholic catechist and raised three sons with his wife, Mildred Agnes Martínez Prevost. Leo XIV's mother, Mildred, was born in Chicago in 1911 to a Louisiana Creole family that had moved north from New Orleans. She studied library science and education at DePaul University and worked as an educator and librarian, including at Von Steuben High School, Holy Name Cathedral, and Mendel Catholic High School. She was also a singer and performer. Her background connected the Prevost family to New Orleans's 7th Ward and to a wider network of Black Creole, Caribbean, Spanish, French, and mixed-race ancestry. Mildred's parents were Joseph Martínez, born in Hispaniola, and Louise Baquié, born in New Orleans. The couple married in New Orleans in 1887 and had several daughters, including Mildred. Two of their daughters entered religious life. The family moved from New Orleans to Chicago around 1910–1912, reflecting the movement of Louisiana families to northern cities in the early twentieth century. Historical census records classified Joseph and Louise differently at different times, illustrating the instability and social consequences of racial categorization in the United States. The family account also traces earlier Louisiana, French Canadian, and Caribbean lines. Ancestors include Ferdinand David Baquié and Eugénie Grambois, as well as the Lemelle, Grandpres, and Boucher de Grand Pré families. Through the Grand Pré line, the family is connected to French Canadian ancestry and to a number of distant public figures, although those relationships are genealogical rather than evidence of close family association. Pope Leo XIV is the youngest of three brothers. His elder brothers are Louis Martín Prevost, a Navy veteran living in Florida, and John Joseph Prevost, a retired educator and former Catholic-school principal living in Illinois. Public accounts have highlighted differences between Louis's political views and those associated with his brother, while John has been described primarily through his career in education. Overall, the subject documents an immigrant and mixed-heritage American family whose history spans Illinois, Louisiana, France, Italy, Spain, Hispaniola, and wider Caribbean communities.

The family history associated with Pope Leo XIV became a subject of broad public attention after Robert Francis Prevost was elected pope. Subsequent reporting and genealogical research examined the origins of the Prevost surname, the family's migration to the United States, and the diverse ethnic and racial backgrounds represented in the pope's known ancestry. The paternal branch combines Italian and French immigrant lines. Leo XIV's paternal grandfather was born Salvatore Giovanni Gaetano Riggitano in Milazzo, Sicily, in 1876. He emigrated to the United States in 1903 and later used the name John Riggitano Prevost. His partner, Suzanne Louise Marie Fontaine, was born in Le Havre, Normandy, in 1894. Fontaine's maternal surname was Prévost, and the couple gave that name to their sons and adopted it themselves. Their family settled in Illinois, where John worked in music and language education. The circumstances of the couple's relationship, including the fact that Riggitano was previously married, were reported in local newspapers in the late 1910s. Their son Louis Marius Prevost was born in Chicago in 1920 and grew up in the city's Hyde Park area. During the Second World War he served in the United States Navy, commanding an infantry landing craft during the Normandy landings and later taking part in the Allied operation in southern France. He reached the rank of lieutenant junior grade during his deployment. After the war he studied at DePaul University, receiving a master's degree in 1949, and pursued a career in education. He eventually became superintendent of Brookwood School District 167 in Glenwood, Illinois. He also served as a Catholic catechist and participated in parish life. Louis died in 1997 and was buried in Assumption Cemetery in Glenwood. The maternal line connects the family to Louisiana Creole and Caribbean communities. Mildred Agnes Martínez was born in Chicago in 1911 to parents who had moved from New Orleans's 7th Ward. Her father, Joseph Martínez, was born in Santo Domingo, and her mother, Louise Baquié, was born in New Orleans. Joseph and Louise married in New Orleans in 1887 and had a large family of daughters. At least two daughters later entered religious life. The family moved to Chicago between 1910 and 1912, part of a larger pattern of migration from Louisiana to northern cities. Records from different periods classified Joseph and Louise differently by race. They were recorded as Black in one census and as white in another after their move to Chicago. Genealogical commentary has treated these changes as evidence of the pressures surrounding racial identity, social mobility, and the possibility of passing in the United States. The family history also includes ancestors described in historical documents with now-obsolete racial terms. These records are relevant to understanding the social context of the period but should not be treated as consistent modern identity labels. Mildred studied library science and education at DePaul University. She worked as a teacher and librarian at several Chicago institutions, including Von Steuben High School, Holy Name Cathedral, and Mendel Catholic High School. She was also a performer and singer, including a performance associated with the Chicagoland Music Festival and a recording of the Ave Maria. She married Louis Prevost and raised their three sons, Louis, John, and Robert. She died of cancer in 1990. Earlier generations extend the documented family history into Louisiana, French Canada, Hispaniola, France, Italy, and Spain. Ferdinand David Baquié, born in New Orleans in 1837, married Eugénie Grambois in 1864. Through the Lemelle, Grandpres, and Boucher de Grand Pré lines, the family has French Canadian connections reaching back to Quebec. A separate theory concerning the Martínez line proposes a possible connection to an Italian immigrant family whose surname may have changed from Martino to Martínez in New Orleans; this remains a genealogical theory rather than an established fact. Pope Leo XIV's immediate family consists of his parents and two older brothers. Louis Martín Prevost, born in 1951, served in the Navy and later studied computer technology. He lives in Florida and has publicly expressed conservative political views, including support for the MAGA movement, while acknowledging that he and his brother have disagreed politically. John Joseph Prevost, born in 1953, pursued a career in education, spending decades in Catholic schools and serving for many years as a principal. He lives in Illinois. A reported hoax bomb threat involving John in April 2026 added a brief security-related episode to the family's public record. The subject is therefore best understood as a biographical and genealogical article rather than a brand. Its significance lies in documenting the multicultural and transregional background of a prominent religious figure, the migration histories of his ancestors, and the ways family identity was recorded across changing social and racial classifications.

• 2025

  Publication of a major genealogical study

  [1]Family of Pope Leo XIVen.wikipedia.org

  A collaborative study examined the pope's French, Italian, Spanish, Louisiana Creole, Caribbean, and other ancestry.

• 1949

  Louis Prevost earns a master's degree

  [1]Family of Pope Leo XIVen.wikipedia.org

  He received a Master of Arts degree from DePaul University and later entered school administration.

• 1944

  Wartime naval service

  [1]Family of Pope Leo XIVen.wikipedia.org

  Louis Prevost served in the Normandy landings and later in Operation Dragoon in southern France.

• 1940

  Louis Prevost completes junior college studies

  [1]Family of Pope Leo XIVen.wikipedia.org

  Louis Prevost graduated from Woodrow Wilson Junior College before his wartime naval service.

• 1920

  Birth of Louis Marius Prevost

  [1]Family of Pope Leo XIVen.wikipedia.org

  Leo XIV's father was born in Chicago to John and Suzanne Prevost.

• 1910

  Maternal family moves from New Orleans to Chicago

  [1]Family of Pope Leo XIVen.wikipedia.org

  Joseph and Louise Martínez's family moved from New Orleans's 7th Ward to Chicago around 1910–1912.

• 1903

  Italian immigration to Illinois

  [1]Family of Pope Leo XIVen.wikipedia.org

  Salvatore Riggitano emigrated from Sicily to the United States and settled in Illinois.

• 1887

  Marriage of Joseph Martínez and Louise Baquié

  [1]Family of Pope Leo XIVen.wikipedia.org

  The future pope's maternal grandparents married at Our Lady of the Sacred Heart in New Orleans.

• 1876

  Birth of Salvatore Giovanni Gaetano Riggitano

  [1]Family of Pope Leo XIVen.wikipedia.org

  Pope Leo XIV's paternal grandfather was born in Milazzo, Sicily; he later emigrated to the United States and adopted the name John Riggitano Prevost.

1. 1Family of Pope Leo XIVen.wikipedia.org