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Overview and Mini Bio

Frank Costello, born Francesco Castiglia on January 26, 1891, in Lauropoli, Calabria, Italy, was one of the most influential mobsters in American history. Known as “The Prime Minister of the Underworld,” Costello rose to prominence as a key figure in organized crime during the 20th century. He was a close associate of Lucky Luciano and played a pivotal role in shaping the modern Mafia by blending criminal enterprises with political influence. Despite surviving assassination attempts and legal battles, he left an indelible mark on organized crime before his death on February 18, 1973.

  • Key Details: Information
  • Full Name: Francesco Castiglia
  • Date of Birth: January 26, 1891
  • Place of Birth: Lauropoli, Calabria, Italy
  • Nationality: Italian-American
  • Date of Death: February 18, 1973
  • Notable Nicknames: “The Prime Minister of the Underworld,” “Uncle Frank”
  • Spouse: Lauretta Giegerman (married 1918)
  • Children: None
  • Net Worth(at peak): Estimated $20 million (equivalent to over $200 million today)
  • Primary Income Sources: Gambling operations, bootlegging, political influence
  • MajorAchievements: Acting boss of the Luciano Crime Family; instrumental in forming The Commission

Leadership Role in the Luciano Crime Family

After Lucky Luciano’s imprisonment in 1936 and Vito Genovese’s flight to Italy in 1937, Costello became acting boss of the Luciano crime family. Under his leadership, the family diversified its operations into gambling ventures across Florida, Louisiana (notably New Orleans), and Cuba.Costello’s innovative approach included standardizing betting systems nationwide. He also avoided drug trafficking—a controversial but strategic decision that helped him maintain political allies.

Transition into Organized Crime

In the early 1910s, Costello became involved with the notorious Morello crime family through Ciro Terranova. During this period, he befriended future Mafia legends like Lucky Luciano and Meyer Lansky. These alliances proved instrumental in his rise to power.Costello legally changed his name from Francesco Castiglia to Frank Costello in 1916 to assimilate into American society. After serving brief jail stints for robbery and carrying concealed weapons between 1908 and 1917, he vowed never to carry a gun again—a decision that distinguished him from other mobsters.

Prohibition Era Success

The Prohibition era (1920–1933) marked a turning point for Costello’s career. Alongside Luciano and Lansky, he became heavily involved in bootlegging operations financed by Arnold Rothstein. Their criminal syndicate expanded into gambling and narcotics while maintaining political connections through Tammany Hall.Costello’s abil class=”animate-in fade-in-25 duration-700″>ity to cultivate relationships with politicians and law enforcement earned him the nickname “The Prime Minister.” By the late 1920s, he was a key figure in New York’s underworld.

Early Life and Family Background

Frank Costello was born into a modest family in Lauropoli, Calabria. His father Luigi Castiglia emigrated to the United States in search of better opportunities and later sent for his wife Maria Aloise and their children. In 1895, four-year-old Francesco arrived in New York City with his mother and siblings. The family settled in East Harlem, where they lived in tenement housing.Growing up in poverty-stricken Harlem exposed young Francesco to the harsh realities of urban life. By age 13, he had joined local gangs under the nickname “Frankie.” His older brother introduced him to petty crimes such as theft and assault. Desp class=”animate-in fade-in-25 duration-700″>ite multiple arrests during his teenage years, these early experiences laid the foundation for his future career in organized crime.

Charitable Work and Legacy

While not known for philanthropy in the traditional sense, Costello’s influence extended beyond organized crime. His ability to merge criminal enterprises with political maneuvering set a precedent for future Mafia leaders.Despite controversies surrounding his criminal activities, Frank Costello remains a legendary figure whose life story continues to captivate historians and pop class=”animate-in fade-in-25 duration-700″> culture enthusiasts alike.

Net Worth and Lifestyle

At the height of his power during the mid-20th century, Frank Costello amassed an estimated fortune of $20 million through illegal gambling operations and legitimate investments such as real estate and meatpacking businesses.

Personal Life and Relationships

Frank Costello married Lauretta Giegerman in 1918. Despite their contrasting backgrounds—Lauretta was Jewish—they shared a long-lasting marriage until his death. The couple had no children but maintained a relatively private personal life compared to other mob figures.Costello’s relationship with his peers was more tumultuous. A power struggle with Vito Genovese culminated in an assassination attempt on May 2, 1957. Although shot by Vincent Gigante (a Genovese associate), Costello survived and eventually retired from active leadership roles after making peace with Genovese.

Kefauver Hearings

In the early 1950s, Costello faced public scrutiny during Senator Estes Kefauver’s televised hearings on organized crime. Unlike other mobsters who invoked the Fifth Amendment, Costello testified but refused to answer certain questions. His distinctive voice and evasive demeanor captivated audiences nationwide.

Despite his wealth, Costello remained cautious about flaunting it publicly—a strategy that helped him evade law enforcement scrutiny for decades.

Future Plans and Impact on Culture

Although deceased since 1973, Frank Costello’s legacy endures through films like The Godfather (1972) and documentaries exploring organized crime history. His life serves as a case study on power dynamics within criminal syndicates—and their intersection with politics.

Disclaimer: Frank Costello: Age, wealth data updated April 2026.