Houston

El Paso Family Appeals for Public Help in Search for Missing Daughter Last Seen in Southwest Houston

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Published on December 21, 2025
El Paso Family Appeals for Public Help in Search for Missing Daughter Last Seen in Southwest HoustonSource: Google Street View

Sydney Marquez, 24, was last seen last Thursday near the 9100 block of Bellaire Boulevard in southwest Houston. She may have boarded a METRO bus, and authorities have recovered video footage that could provide new information. Her father, Raul Marquez, said, "I have the exact time when she boarded that bus. That footage is a matter of life and death," after she was last seen leaving a friend’s vehicle running. Sydney was recently diagnosed with late-onset bipolar disorder and schizophrenia symptoms. Texas EquuSearch is helping in the search, with founder Tim Miller saying, "Time’s not on our side," according to Click2Houston.

A witness reported seeing Sydney Marquez possibly get on a bus while two men prevented her from using a phone, as her father expressed his worry, saying, "Sydney, you need to come home now. We miss you. We love you. Christmas is around the corner." Sydney is described by Houston police as having short reddish-brown hair, brown eyes, and a four-leaf clover tattoo on her left wrist.

Her family emphasized their concern in a statement, saying, "Our family is deeply concerned and heartbroken as my sister, Sydney, remains missing. She has not been located, and we are asking for the public’s help in bringing her home safely," as reported by KHOU. Authorities urge anyone with information to contact the Houston Police Department at (832) 394-1840 or Texas EquuSearch at (281) 309-9500.