So, her stage name was decided via a magazine competition.

These days, plenty of famous people use stage names.

It was part of, I guess, the culture back then.

Yvonne in blazer smiling against a promotional backdrop

According toScreen Rant, under her initial contract with Fox, she went by Rita Casino.

Hayworth was her mom’s last name before marriage.

Rita in patterned dress sits on wooden chair, legs crossed, smiling

2.Rita Morenowas born Rosa Dolores Alverio Marcano.

She named herself after Rita Hayworth.

She also took her stepdad’s last name.

Rita Moreno at an event, wearing a poncho with fringe details and a matching beret

3.Marilyn Monroewas born Norma Jeane Mortenson.

My thanks and love forever.

The executive suggested Marilyn after hisHer Majesty, Lovecostar Marilyn Miller.

Marilyn Monroe poses in a classic dress with buttons, standing by a stone railing with a waterfall backdrop

4.Joan Fontaine’s real name was Joan de Beauvoir de Havilland.

So, Joan used her stepdad’s last name.

5.Judy Garland’s birth name was Frances Ethel Gumm.

Joan in a sleeveless dress and pearl necklace, facing the camera with a slight tilt to her head

One prevailing theory is that she chose the name Judy after the song “Judy” by Hoagy Carmichael.

6.Merle Oberon’s birth name was Estelle Merle O’Brien Thompson.

to get to get work as an actor, she also hid her Sinhalese and Maori heritage.

Judy in vintage bridal gown and lace veil holding a hat

7.Mickey Rooneywas born Joseph Yule Jr. ## 8.Mary Pickford’s real name was Gladys Louise Smith.

Hating her actual middle name, she lied and said it was Marie.

So, Marie was changed to Mary.

Merle with flowers in hair and a pearl necklace, holding a bouquet, in a vintage style

Pickford was one of her mom’s family names.

9.Michael Caine was born Maurice Joseph Micklewhite.

Initially, he chose the stage name Michael Scott (perTIME).

Mickey in a tuxedo with bow tie waving

10.John Wayne’s real name was Marion Robert Morrison.

However, the director didn’t think he had a name worthy of a movie star.

They took inspiration from American Revolution general Anthony Wayne.

Vintage portrait of Mary with braided hair, wearing a large-brimmed hat and a dress with ruffled sleeves

11.Debbie Reynolds’s real name was Mary Frances Reynolds.

12.Joan Crawford was born Lucille Fay LeSueur.

So, her stage name was decided via a magazine competition.

Michael in suit and glasses sitting with a cane against a graphic background

13.Barbara Stanwyck’s real name was Ruby Catherine Stevens.

14.Rock Hudson was born Roy Harold Scherer Jr.

He adopted a stage name at the suggestion of his agent, Henry Willson (perHarper’s Bazaar).

John Wayne in a western outfit with a hat and jacket, posing with a hand on his hip

His last name came from the Hudson River in New York.

15.Lauren Bacall’s real name was Betty Joan Perske.

The name “Lauren” came from director Howard Hawks.

Debbie Reynolds in a suit, sitting on a carved chair, smiling and gesturing to her side

16.Fred Astaire’s birth name was Frederick Austerlitz.

17.And finally, Cary Grant’s birth name was Archibald Alec Leach.

Nine years later, he legally changed his name to Cary Grant.

A vintage-style portrait of Joan seated with flowers, in an embellished dress with a headpiece

Barbara in a vintage sequined gown with a high leg slit, seated, in a classic Hollywood pose

Rock Hudson poses for a portrait wearing a sweater in front of a mountainscape

Lauren seated at a piano wearing a lace top and full skirt

Fred Astaire in a classic dance pose wearing a suit and striped tie with a shadow on the wall

Cary in tuxedo holds a teacup, poised and elegant, against an ornate backdrop