June Lockhart has died. She was 100.

The actress died on Thursday, Oct. 23, at 9:20 p.m. local time in Santa Monica, Calif., PEOPLE can confirm.

Lockhart's cause of death was natural causes. Her daughter, June Elizabeth, and her granddaughter, Christianna, were by her side when she died.

Funeral services for Lockhart will be private. In lieu of flowers, her family is instead asking for donations to be made to The Actors Fund , ProPublica and International Hearing Dog, Inc.

The actress’s career spanned film and television. Her films included A Christmas Carol , Meet Me in St. Louis and She-Wolf of London . On TV, she had starring roles on Lassie and Lost in Space . She was one of the last surviving stars from the Golden Age of Hollywood.

Lockhart was born in 1925 in New

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