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June Lockhart -- a legendary television actress of the 1950s, '60s and '70s -- has died.

Lockhart passed away Thursday in Santa Monica, just after 9 PM local time with her daughter June Elizabeth , and her granddaughter, Christianna , by her side, TMZ can confirm. June died from natural causes. Getty

The daughter of actors Gene and Kathleen Lockhart , June secured her first credited role in the 1940 movie "All This, and Heaven Too" when she was still just a teenager.

June grabbed parts in iconic films like "Meet Me in St. Louis," "Sergeant York" and "T-Men" during the '40s before making the jump to television when the medium took off in the 1950s. Getty

She secured her first big role in the "Lassie" TV show in 1958 when she took over the

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