Jennifer Coolidge is a popular American actress who became famous due to her performances in films such as Legally Blonde and American Pie. She gained popularity as the star of television series The White Lotus as well. Jennifer’s professional career might be highlighted today, but details about her life, particularly that of her sister Susannah Coolidge, have not yet received much attention. In this piece, we’ll find out what Susannah Coolidge is, and we will learn what can be found on her.
Quick Facts About Susannah Coolidge
Full Name | Susannah Coolidge |
Birthdate | N/A |
Occupation | Executive Director of the New Orleans Citizen Diplomacy Council |
Husband/Wife | Fred Diegel (businessman) |
Education | N/A |
Age | N/A |
Parents | Paul Constant Coolidge (father), Gretchen Knauff (mother) |
Siblings | Elizabeth Coolidge (sister), Andrew Coolidge (brother), Jennifer Coolidge (sister) |
Children | N/A |
Net Worth | <$1 million |
Who is Susannah Coolidge?
Susannah Coolidge is Jennifer Coolidge’s sister. She was raised in Norwell, Massachusetts, with two sisters, Elizabeth and Jennifer, and her brother, Andrew. While Jennifer became an acclaimed actress, Susannah remained out of the public eye. Few facts are known about her life and career.

What we do know is that Susannah comes from a family with a solid history. Her father, Paul Constant Coolidge, was a businessman and U.S. Navy veteran. He was also interested in sailing and the environment. Susannah’s mother, Gretchen Knauff, assisted in raising Jennifer and her siblings, although she, too, has remained low-key in the media.

Susannah’s Career
Whereas Jennifer Coolidge has a public career as an actress, little is known about the professional life of Susannah. She has been noted as an Executive Director of the New Orleans Citizen Diplomacy Council, but not much else is known publicly. Susannah keeps her life private, and she unlike Jennifer has no professional career in the entertainment industry.
Susannah is married to Fred Diegel, a businessman. This is one of the few personal facts known about her life. It is obvious that Susannah has opted for a life out of the limelight, more concerned with family and work than with being in the public eye.
The Coolidge Family
Jennifer Coolidge was born on August 28, 1961, in Boston, Massachusetts. She has a family background with a rich academic and professional history. Her father, Paul Coolidge, graduated from Harvard University and served in the U.S. Navy during World War II. Following his stint in the Navy, Paul established two companies. He was interested in sailing, and he lived aboard a vessel called the Friendship Sloop Susannah for several years.
Jennifer’s mother, Gretchen Coolidge, also had a significant presence in the family. While little is reported about her profession, she played a significant part in Jennifer and her siblings’ lives, raising them in Norwell.
Jennifer Coolidge has a sister named Elizabeth and another named Susannah, and a brother named Andrew. Elizabeth was born on October 4, 1955, but nothing is known about her life either. Andrew, their brother, also keeps his personal information to himself.
READ ALSO: Jennifer Coolidge Net worth, Age, Boyfriend, Family, Facts & More
The Coolidge Legacy
Although Jennifer Coolidge is the best known of the Coolidge siblings, the Coolidge family has a tradition. Jennifer’s father, Paul Coolidge, had a lot of influence over the family. His love for the environment, sailing, and his business career greatly affected Jennifer and her brother.
Jennifer’s acting career has made her a household name, and she has received various awards for playing characters in comedy films and television series. Although Jennifer has lived under the spotlight, she has kept her family life relatively secluded, and hence, many might not be aware of her siblings such as Susannah.