Ruby's Diner

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Ruby’s Diner
FoundedDecember 7, 1982; 37 years ago (1982-12-07)
Newport Beach, California, U.S.
FounderDoug Cavanaugh, CEO
Ralph Kosmides, Chief administrative and development officer
HeadquartersIrvine, California, U.S.
Area served
Arizona, California, Pennsylvania, Hawaii, Nevada, New Jersey, and Texas
ParentRuby Restaurant Group

Ruby's Diner is a restaurant chain aesthetically designed after American diners of the Swing Era. Ruby's Diner serves breakfast, lunch and dinner, with a menu that includes classic American diner fare of hamburgers, French fries, chili and milkshakes along with soups, salads and sandwiches. As of March 2019, Ruby's Diner operated at a total of 32 locations, including 26 in Southern California, one in Arizona, two in Pennsylvania, one in New Jersey, and two in airports in Houston and Las Vegas.[1][2]

While the basic decor remains the same for every Ruby's Diner, creative touches are added to many by developing modified themes to fit the local area. For example, the Ruby's AeroDiner in Laguna Hills (located near the former El Toro Marine Air Base) has a collection of miniature World War II aircraft that "fly" through the restaurant on a track.

The locations that are opening in 2020 are Fort Lauderdale, Pittsburgh, Dallas, and Seattle.


Interior Ruby's Diner Huntington Beach at sunset
Ruby's dinner, Newport.

The first Ruby's Diner opened on December 7, 1982, in a converted bait shop at the end of the Balboa Pier in Newport Beach, California. On that day founders Doug Cavanaugh and Ralph Kosmides worked the grill and the cashier station and earned $63.[3]

The original Ruby's Diner on the Balboa Pier

Ruby's Diner has locations on the historic Southern California piers of Balboa Pier, Huntington Beach Pier and Oceanside.[4] A former Ruby's Diner at the end of the Seal Beach pier, which was closed in 2013, was destroyed by a fire on May 20, 2016.[5]

Ruby's Diner at the end of the Huntington Beach Pier

In 2013, Ruby's Diner introduced Ruby's Dinette, a 1960s themed fast casual concept, and began opening restaurants under this name and style starting in the Westfield Plaza Bonita shopping mall in National City, California.[6]

Origin of the Ruby girl[edit]

Ruby[2] was the mother of founder Doug Cavanaugh. The Ruby girl cheesecake character was derived from a photograph taken of her while cheerleading for Fremont High School in Los Angeles.[7] In recognition of Ruby, every Ruby's Diner location has a picture of Ruby's high school graduation picture near the cash register.

See also[edit]


  1. ^ "Ruby's Locations". Ruby's Diner. Retrieved May 21, 2016.
  2. ^ a b "Ruby Cavanaugh, namesake of Ruby's Diner, dies at 93" Orange County Register, December 29, 2015
  3. ^ "The Hottest 25 People of Orange County", OC Metro, October 2002
  4. ^ Lindsay William-Ross, "Ruby's Shake Shack Opens on the Historic Malibu Pier" Archived 2009-08-31 at the Wayback Machine, LAIST Food, July 5, 2009
  5. ^ "Fire destroys old Ruby's Diner and damages Seal Beach Pier". The Los Angeles Times. May 20, 2016. Retrieved 2016-05-21.
    - "Fire Tears Through Old Ruby's Diner Building on Seal Beach Pier". KTLA 5. May 20, 2016. Retrieved May 21, 2016.
  6. ^ Brents, Phillip (September 27, 2013). "Midcentury modern concept rolls out with first Ruby's dinette at Westfield Plaza Bonita". The Star News. Retrieved May 20, 2016.
    - Harvey, Katherine P. (September 23, 2013). "Ruby's Diner launches 1960s-themed dinettes". The San Diego Union-Tribune. Retrieved May 20, 2016.
  7. ^ "Ruby's Diner Opens Carhop in Anaheim" blog post and video interviews by Suzanne Broughton in OC Family, April 7, 2010

External links[edit]