Key figure

Dr. David M. Harkness

1795-1825

Born 1795
Married Elizabeth Morrison Caldwell 1821 (Dr. 26) · until death · 4 years
Died 1825 · age 30

Father of Daniel M. Harkness

Across the archive

Stories featuring Dr. David M. Harkness

Historical article

Stephen V. Harkness – Standard Oil Venture Capitalist

Stephen Vanderburgh Harkness (1818-1888) was an Ohio-based American businessman. He played a crucial role in the establishment of Standard Oil, serving as a “Venture Capitalist” alongside John D.

Historical article

John D. Rockefeller & The Standard Oil Partners: Flagler and Harkness

When we think of the massive wealth and industrial power of the Gilded Age, John D.

Historical article

Start Here: Scandal, Success, Oil and Steam: The Incredible Story of Henry Flagler and the Harkness Family

The Harkness and Flagler families help form Standard Oil. Hold onto your hats, folks, because we’re about to take a thrilling ride through the history books!

Historical article

Daniel M. Harkness

Daniel M. Harkness – Henry Flagler’s half-brother Detailed life events Born September 26, 1822 in Milan, Ohio Died August 5, 1896 (age 74) in Bellevue, Ohio Resting place Bellevue Cemetery, Bellevue, Ohio Spouse Isabella Harkness Children 5 children: 3 died in childbirth; daughter Katie died at the age of 8, and son William L.

Historical article

The Harkness/Flagler Timeline

View Timeline It’s often fascinating to observe historical events and their connection to concurrent events occurring at the same time.

Collection

About

About the Author Don Schueler My name is Don Schueler, and I grew up in Bellevue, Ohio.

Life and connections

1795
Dr. David Harkness was born
Dr. David Harkness was born in 1795.
From the story: Start Here: Scandal, Success, Oil and Steam: The Incredible Story of Henry Flagler and the Harkness Family
1795
Dr. David M. Harkness born
1818
Stephen V. Harkness was born to Dr. David Harkness (23) and Martha Cook in Fayette, New York
In 1818 Stephen V. Harkness was born to Dr. David Harkness (23) and Martha Cook in Fayette, New York.
From the story: The Harkness/Flagler Timeline
8 January 1820
Martha Cook Harkness dies
David Harkness' wife Martha dies.
8 May 1820
Dr. David Harkness (25) to Milan Ohio
Dr. David Harkness (25) moves to Milan Ohio to practice medicine.
8 January 1821
Dr. David Harkness (26) marries Elizabeth Caldwell
1822
Daniel M. Harkness was born in Milan, Ohio
In 1822 Daniel M. Harkness was born to Dr. David Harkness (27) and Elizabeth Caldwell Harkness in Milan, Ohio.
From the story: The Harkness/Flagler Timeline
1825
Elizabeth Ann Caldwell Morrison married David M. Harkness (30) (second marriage)
After David M. Harkness (30) died, the article says his widow Elizabeth Ann Caldwell Morrison went back to Seneca County, New York; it also states David M. Harkness (30) married for a second time to Elizabeth Ann Caldwell Morrison and had a son named Daniel M. Harkness (3).
From the story: Stephen V. Harkness – Standard Oil Venture Capitalist
1825
Dr. David M. Harkness (30) died
Ends under a year of marriage (1825–1825)
21 November 1825
Dr. David Harkness (30) dies
Dr. David Harkness (30) dies and Elizabeth is left to care for Stephen V. and Daniel M. and returns to Hopewell(Salem?), New York where she marries Rev. Isaac Flagler.
1848
David Harkness was born and died in 1848
The article lists David Harkness (1848-1848) as a child of Stephen Vanderburgh Harkness (30) and Laura Osborne (33).
From the story: Stephen V. Harkness – Standard Oil Venture Capitalist
1863
The Enrollment Act of 1863 provided for substitutes; Henry M. Flagler (33) used the option
The story states that after Daniel M. Harkness (41) served, the Enrollment Act of 1863 allowed a draftee to pay a substitute enrollee $300; Henry M. Flagler (33) and John D. Rockefeller (24) took this option while helping the war effort.
From the story: Daniel M. Harkness
1867
John D. Rockefeller (28) approached Henry Morrison Flagler (37) for capital; Stephen V. Harkness (49) provided $100,000
In 1867 needing capital for his new oil business, John D. Rockefeller (28) approached Henry Morrison Flagler (37), and Henry Morrison Flagler (37) obtained $100,000 from Stephen V. Harkness (49).
From the story: The Harkness/Flagler Timeline
1867
John D. Rockefeller (28), Daniel M. Harkness (45), Henry M. Flagler (37), and Stephen V. Harkness (49) unite firms to form Rockefeller, Andrews & Flagler
The article states that in the year 1867 the firms of William Rockefeller & Co., Rockefeller & Andrews, Rockefeller & Co., and S. V. Harkness and H. M. Flagler united in forming the firm of Rockefeller, Andrews & Flagler.
From the story: John D. Rockefeller & The Standard Oil Partners: Flagler and Harkness
1870
The Rockefeller, Andrews & Flagler partnership grew into the Standard Oil Corporation
The article states that the partnership grew into the Standard Oil Corporation in 1870, with articles of incorporation signed by John D. Rockefeller (31), Henry Morrison Flagler (40), Sam Andrews, Stephen V. Harkness (52), and William Rockefeller.
From the story: Start Here: Scandal, Success, Oil and Steam: The Incredible Story of Henry Flagler and the Harkness Family
1918
Underwrote Met Great Hall symphony concerts
Edward S. Harkness (44) underwrote the first public symphony concerts in The Met’s Great Hall under David Mannes.
From the story: Robber Baron – Yes or No?
1922
Louise Hale Harkness married David Sinton Ingalls (23)
Louise Hale Harkness married David Sinton Ingalls (23) in 1922.
From the story: William Lamon Harkness