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Mark Calvin, missing from Clayton, MO

Mark Calvin

missing
Age
16
Last Seen
Clayton, MO
Missing Since
August 6, 2025
Case Number
NCMC2057887
Source
NCMEC

Case Details

Mark Calvin, Age Now: 16, Missing: 08/06/2025. Missing From Clayton, MO. ANYONE HAVING INFORMATION SHOULD CONTACT: St. Louis County Police Department (Missouri) 1-636-529-8210 .

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Information on this page comes from publicly available official sources. This page is an awareness listing and is not a law-enforcement record. See all cases.