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Missouri has a new richest person: Pauline MacMillan Keinath

April 5, 2025 by Maria Santiago Leave a Comment

According to a recent Forbes report, Pauline MacMillan Keinath has become Missouri’s wealthiest billionaire.

Born on July 31, 1934, in Hennepin County, Minnesota, Keinath is the great-granddaughter of William Wallace Cargill, the founder of Cargill, the largest private company in the United States. She inherited a 9 percent stake in the company, which, as of June 2024, is valued at approximately $8.2 billion. ​

Keinath resides in St. Louis, Missouri, with her spouse and four children. In addition to her business interests, she has been involved in political contributions.

Notably, she continued to support Senator Josh Hawley after the events of January 6, 2021, donating $1,900 in the latter half of that year.

Furthermore, in 2023, her family became the largest donors to Andrew Bailey’s campaign for Missouri Attorney General, contributing $375,000 to the Life and Liberty PAC.

Many other Missourians made the Forbes rich list. They include:

  • Pauline MacMillan Keinath ($7.3 billion, 443rd nationally)
  • Jim Kavanaugh ($7 billion, 474th)
  • Jack Dorsey ($3.9 billion, 929th)
  • Rodger Riney & family ($3.9 billion, 929th)
  • Robert Clark ($2.9 billion, 1265th)
  • David Hoffman ($2 billion, 1763rd)
  • Jim McKelvey ($1.6 billion, 2110th)
  • Sam Altman ($1.5 billion, 2233rd)

Meanwhile, across the United States as a whole, the richest people are mostly ones you can probably guess the names of because they have become household names.

Top 20 richest people in the United States

1.

Elon Musk
Net Worth: $244 billion​
Source of Wealth: Tesla, SpaceX​
Age: 53​
Industry: Automotive, Aerospace​

2.

Jeff Bezos
Net Worth: $197 billion​
Source of Wealth: Amazon​
Industry: E-commerce, Technology​

3.

Mark Zuckerberg
Net Worth: $181 billion​
Source of Wealth: Meta Platforms​
Industry: Social Media, Technology​

4.

Larry Ellison
Net Worth: $175 billion​
Age: 80​
Industry: Software, Technology​

5.

Warren Buffett
Net Worth: $150 billion​
Source of Wealth: Berkshire Hathaway​
Age: 94​
Industry: Investments​

6.

Larry Page
Net Worth: $136 billion​
Source of Wealth: Google​
Age: 51
Industry: Technology​

7.

Sergey Brin
Net Worth: $130 billion​
Source of Wealth: Google​
Age: 51​
Industry: Technology​

8.

Steve Ballmer
Net Worth: $123 billion​
Source of Wealth: Microsoft​
Age: 68​
Industry: Software, Technology​

9.

Bill Gates
Net Worth: $107 billion​
Source of Wealth: Microsoft​
Age: 68​
Industry: Software, Technology​

10.

Michael Bloomberg
Net Worth: $105 billion​
Industry: Media, Financial Services

11.

Jensen Huang
Net Worth: $104 billion​
Source of Wealth: Nvidia
Age: 61
Industry: Semiconductors, Technology

12.

Michael Dell
Net Worth: $101 billion​
Source of Wealth: Dell
Age: 59
Industry: Technology

13.

Jim Walton
Net Worth: $95.9 billion​
Source of Wealth: Walmart
Age: 76
Industry: Retail

14.

Rob Walton
Net Worth: $94.3 billion​
Source of Wealth: Walmart
Age: 79
Industry: Retail

15.

Alice Walton
Net Worth: $89.2 billion​
Source of Wealth: Walmart
Age: 74
Industry: Retail

16.

Julia Koch
Net Worth: $74.2 billion​
Source of Wealth: Koch Industries
Age: 62
Industry: Diversified

17.

Charles Koch
Net Worth: $67.5 billion​
Source of Wealth: Koch Industries
Age: 88
Industry: Diversified

18.

Jeff Yass
Net Worth: $49.6 billion​
Source of Wealth: Susquehanna International Group
Age: 66
Industry: Financial Services

19.

John Mars
Net Worth: $47.6 billion​
Source of Wealth: Mars Incorporated
Age: 88
Industry: Confectionery, Food

20.

Jacqueline Mars
Net Worth: $47.6 billion​
Source of Wealth: Mars Incorporated
Age: 84
Industry: Confectionery, Food

Filed Under: Economy, News Tagged With: missouri, people, richest, united states

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