Jack O’Neill Age, Net Worth, Height, Affairs, Career, and More

Jack O’Neill was an American businessman who is widely recognized today for his invention of the wetsuit and his founding of the surfwear and surfboard company O’Neill. He was born on March 27, 1923, and passed away on June 2, 2017. Throughout his life, Jack O’Neill was well-known for his business acumen and commitment to making the ocean more accessible and enjoyable to those who wanted to explore it.

In this blog post, we will take a closer look at Jack O’Neill’s life, his contributions to the surfing world, and the lasting legacy he left behind.

Jack O’Neill Personal Details

Jack O'Neill
Jack O’Neill

Jack O’Neill was born on March 27, 1923, in Denver, Colorado, United States He grew up there with his Family. His full name is Jack O’Neill and his nickname is Jack. His zodiac sign is Aries. He is 84 (died in 2017).

Let’s see Jack O’Neill’s personal detail.

Full Name

Jack O’Neill


March 27, 1923

Age in 2021

84 (died 2017)



Zodiac Sign




Birth Place

Denver, Colorado, United States

Home Town

Denver, Colorado, United States



Family Details of Jack O’Neill

Jack O’Neill‘s Father’s name is ‘UPDATE SOON’ and his mother’s name is ‘UPDATE SOON’. His brother’s name is ‘UPDATE SOON’ and his sister’s name is ‘UPDATE SOON’.






Marjorie Bennett (m. ?–1972)



Body Structure and Measurement

Jack O’Neill’s height is 5 ft 9 in (1.75 m). Weight might have changed but we added the latest one. His hair color is White and his eye color is Black.

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Below the table, you can find more things about him.


5 ft 9 in (1.75 m)

Hair Color


Eye Color


Body Build Type:








Shoe Size:


Relationship History of Jack O’Neill

O’Neill was married to Marjorie, who he was with until her death in 1973. Together they had six children. O’Neill resided on a beachfront property in Santa Cruz, California, from 1959 until his death in 2017.

O’Neill’s legacy lives on through his descendants, including his granddaughter Uma O’Neill, who is a highly accomplished equestrian rider. Uma holds both New Zealand and American citizenship and was selected to compete at the 2020 Summer Olympics. This incredible achievement demonstrates the strength and spirit of the O’Neill family.

Jack O’Neill was a respected military figure and an admired family man. He was a devoted husband and father, and his memory lives on through his achievements and the accomplishments of his descendants.

Marital Status


Dating With?

Marjorie Bennett (m. ?–1972)

Girl Friend

Marjorie Bennett (m. ?–1972)


Marjorie Bennett (m. ?–1972)


Tim O’Neill, Pat O’Neill


Shawne O’Neill, Bridget O’Neill, Cathi O’Neill

Educational Background

Some people ask us about Jack O’Neill’s educational qualifications. People are inspired by their favorite person’s activity. In the below section, we discuss Jack O’Neill’s educational qualifications.


San Francisco State University


Bachelor’s Degree in Liberal Arts

Career and Achievement of Jack O’Neill

Jack O’Neill is a legendary figure in the world of surfing. He had an amazing career and achieved great success in the surfing industry.

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O’Neill was born in San Francisco in 1923 and began surfing as a child. In 1952, he founded the O’Neill brand and opened one of California’s first surf shops in a garage on the Great Highway in San Francisco. This led to the establishment of a company that deals in wetsuits, surf gear, and clothing. Through his company, Jack O’Neill’s name has become synonymous with surfwear and his brand of surfing equipment.

Although O’Neill is widely believed to be the inventor of the wetsuit, an investigation concluded that UC Berkeley physicist Hugh Bradner was most likely the original inventor. Nonetheless, O’Neill’s contribution to the surfing industry was tremendous and his impact on the sport will be felt for years to come.

In December 1996, O’Neill started a non-profit organization called O’Neill Sea Odyssey which provides students with hands-on lessons in marine biology and teaches the relationship between the oceans and the environment. This organization has hosted about 100,000 children since it started.

Jack O’Neill’s career and achievements in the surfing industry are nothing short of remarkable. He is a true surfing icon and has made a lasting impact on the sport. His legacy will live on for many years to come.



Famous For

The Founder of the O’Neill brand.

Net Worth and Income Source of Jack O’Neill

Jack O’Neill net worth, income source, and salary have been updated below. You can find his net worth and source of income in the below section.

Businessman is Jack O’Neill primary income source. His net worth is USD $578557894 approx. in 2021.

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Income Source


Net Worth in 2021

USD $578557894 approx.

Some FAQ of Jack O’Neill

1.What is the age of Jack O’Neill?

Answer =He is 84 (died 2017).

2.What is the Net Worth of Jack O’Neill?

Answer- Jack O’Neill net worth is USD $578557894 approx. in 2021.

3.Does he married?

Answer: Divorced

4.What is the height of Jack O’Neill?

Answer: His height is Not Available

5 ft 9 in (1.75 m).


That’s all about Jack O’Neill. We hope you get all your desire information about Jack O’Neill. If we miss anything, then let us know in the comment section.

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