Wife Billy Mumy Net Worth (Updated 2026).

Wife Billy Mumy, born William Davis Mumy Jr., began his acting career at a remarkably young age. He first appeared on screen at just two years old in a television commercial, showcasing his natural charisma and talent for performance. This early start set the stage for a prolific career in the entertainment industry.

As a child actor, Mumy quickly gained recognition for his roles in various television shows and films throughout the 1960s and 1970s. His breakout role came in 1963 when he was cast as Rob Petrie’s son, Ritchie Petrie, in the iconic sitcom “The Dick Van Dyke Show.” This role catapulted Mumy to fame and solidified his status as a beloved child star of the era.

Wife Billy Mumy’s Current Net Worth (2025)

As of 2025, the latest available information estimates Wife Billy Mumy’s net worth to be approximately $10 million. This figure is a reflection of her successful career and various ventures over the years.

Career

Wife Billy Mumy, born as Catherine Reiley, is a prominent figure in the entertainment industry. She began her career as a model and actress, gaining recognition for her roles in various television shows and films. She is perhaps best known for her role in the hit series “Lost,” where she played the character of Danielle Rousseau. Her talent and dedication have earned her critical acclaim and a significant fan base.

Other Ventures

In addition to her acting career, Wife Billy Mumy has ventured into other business endeavors. She is a co-founder of a successful production company, which has produced several critically acclaimed films and television shows. She also has a clothing line, catering to women who appreciate a blend of style and comfort. Her entrepreneurial spirit has not only expanded her net worth but also allowed her to diversify her career portfolio.

Assets

Wife Billy Mumy’s assets include several properties across the United States. She owns a luxurious home in Los Angeles, California, valued at around $5 million. She also has properties in New York and Hawaii, which serve as her retreats from the bustling city life. Her real estate portfolio is a testament to her financial success and smart investment decisions. Apart from real estate, she also owns a collection of vintage cars and high-end jewelry.

Annual Income

Wife Billy Mumy’s annual income is estimated to be around $2 million. This figure is a combination of her acting fees, production company earnings, and her clothing line sales. Her annual income has seen a steady increase over the years, reflecting her growing success and popularity in the entertainment industry.

Frequently Asked Questions about  Wife Billy Mumy

**Frequently Asked Questions**

Who is Billy Mumy’s wife?

Billy Mumy’s wife is Eileen Jacobson. They got married in 1985 and have two children together.

How many children does Billy Mumy have?

Billy Mumy has two children from his marriage with Eileen Jacobson.

What does Billy Mumy’s wife do for a living?

Eileen Jacobson, Billy Mumy’s wife, is a casting director. She has worked on several films and TV shows throughout her career.

How long have Billy Mumy and his wife been married?

Billy Mumy and Eileen Jacobson have been married since 1985.

What is Billy Mumy’s net worth?

Billy Mumy’s estimated net worth is $2 million.

Does Billy Mumy have any siblings?

Yes, Billy Mumy has a younger sister named Hope Mumy.

What is Billy Mumy’s most famous role?

Billy Mumy is best known for his role as Will Robinson in the 1960s TV series “Lost in Space”.

Where did Billy Mumy grow up?

Billy Mumy was born and raised in Los Angeles, California.

What is Billy Mumy’s height?

Billy Mumy is 5 feet 9 inches (175 cm) tall.

Is Billy Mumy active on social media?

Yes, Billy Mumy is active on Twitter. He joined the platform in 2009 and has over 100,000 followers.