Sylvia Lourdes Standly

Sylvia Lourdes StandlySylvia Lourdes StandlySylvia Lourdes StandlySylvia Lourdes StandlySylvia Lourdes Standly

MISSING SINCE: May 29, 1986 | MISSING FROM: Modesto, California


  • Classification: Endangered Missing
  • Date of Birth: June 19, 1954
  • Age Missing: 34
  • Hair Color: Light Brown
  • Eye Color: Hazel
  • Height: 5'4"
  • Weight: 115 lbs.
  • Gender: Female
  • Race: Caucasian
  • Alias/Nickname: Sylvia Baca

Identifying Characteristics:

Pierced ears, v-shaped scar on left knee, possible tattoo of a butterfly on right hip. She was missing two upper front teeth at the time of her disappearance. Some agencies may refer to her as Sylvia Baca Standly and may spell her last name as Standley.


Sylvia was last seen on Oakdale Road in downtown Modesto, California on June 3, 1986. She called her family and said she would get a ride home with her new boyfriend. She was last seen getting into a blue or green truck and has never been heard from again. She left behind two children including an eight-month-old infant. Some agencies may list May 29, 1986 as the date of her disappearance. Her case remains unsolved.

Investigating Agencies:

  • Modesto Police Department: 1-209-572-9532

Case Numbers:

  • Police Case #: 86-60422
  • NCIC Case #: M-212417495

Source Links:

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