Grace Kelly

postage stamp issued by Monaco of Grace Kelly printed c. 1989, photo by gors4730/

Birth Name: Grace Patricia Kelly

Date of Birth: 12 November, 1929

Place of Birth: Philadelphia, Pennsylvania, U.S.

Date of Death: 14 September, 1982

Place of Death: Monaco

*Irish (father)
*German (mother)

Grace Kelly was a legendary American actress and model. She won the Academy Award for Best Actress for The Country Girl (1954). Grace became known as Princess Grace of Monaco after marrying Prince Rainier III. She was Princess consort of Monaco, from April 18, 1956 until September 14, 1982, when she died in a car accident. She starred in eleven films in total, also including Dial M for Murder, Rear Window, and High Society.

Princess Grace was the daughter of Margaret Katherine (Majer) and John “Jack” Brendan Kelly. Her father had won three Olympic gold medals for rowing. He owned a successful brickwork contracting company, was the Democratic Party nominee in the 1935 Philadelphia Mayoral election, and served on the Fairmount Park Commission and as National Director of Physical Fitness.

Her brother, John B. Kelly, Jr., was also an Olympic rower. She was a niece of Walter C. Kelly, a vaudeville comedian and actor, and George Kelly, a playwright. She had three children, all with Prince Rainier, Caroline, Princess of Hanover, Albert II, Prince of Monaco, and Princess Stéphanie of Monaco. Among her grandchildren are Charlotte Casiraghi and Jazmin Grace Grimaldi.

Princess Grace’s paternal grandparents were Irish immigrants, while her maternal grandparents were German immigrants.

Princess Grace’s paternal grandfather was John Henry Kelly (the son of Brian/Bernard Kelly and Honora Margaret McLaughlin). John was born in Drumirla, Mayo, County Mayo. Brian was the son of James Patrick Kelly. Honora was the daughter of Michael McLauglin and Mary Burke.

Princess Grace’s paternal grandmother was Mary Ann/Anne Costello (the daughter of Walter Costello and Anne Burke). Mary Ann was Irish, born in Drumirla, Mayo. Walter was the son of John Costello and Bridget McLaughlin.

Princess Grace’s maternal grandfather was Carl Majer/Maier (the son of Johann Christian Karl Majer and Luise Wilhelmine Mathilde Adam). Carl was born in Immenstaad, Bodensee, Baden-Wuerttemberg, to parents from Tubingen. Johann was the son of Gustav Majer and Elfriede Dede. Luise was the daughter of Friedrich Wilhelm Karl Adam and Juliane Wilhelmine Elisabetha Feucht.

Princess Grace’s maternal grandmother was Margaretha Berg (the daughter of Georg/George Berg and Elisabetha Röhrig). Margaretha was born in Heppenheim, Bergstrasse, Hessen, to a father from Walderlenbach and a mother from Sonderbach. Georg was the son of Johann Georg Berg and Anna Elisabeth Antes. Elisabetha was the daughter of Nicolaus Röhrig and Margaretha Rothermel.

Sources: Genealogies of Grace Kelly –

Genealogy of Grace Kelly (focusing on her father’s side) –


Curious about ethnicity

15 Responses

  1. SzymonOff says:

    Date of Birth: 14 September, 1982 should be changed to Date of Death: 13 September, 1982

  2. alexgxo says:

    She and Amy Adams look alike. I think she could’ve played Grace in a biopic instead of Nicole.

  3. ethnicitiies says:

    Is Costello an Irish name? It sounds Italian to me. I looked it up and it said it was Italian or Irish but idk haha. Grace is so incredible!

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