Harriette Hoyt was 15 when she was last seen in Brooklyn on November 2, 1990. She is described as a Black/African American female with sandy hair, brown eyes, 5 feet 5 inches tall and 120 pounds. At the time she was wearing a pink jacket, black shoes, and earrings.

The New York City Police Department’s Missing Persons Squad is handling the case under number KNMP10530. The case is also listed in NamUs as MP71135. The circumstances are recorded simply as missing; no public details about what happened that day and no suspects or persons of interest have been provided. As of early 2026 Harriette would be 49 years old and the investigation remains active and unsolved.

If anyone saw Harriette around November 2, 1990, or has information about where she might be now, please share what is known.