Kassidy Siess Missing from Jacksonville, Florida age 16

Case Description (LOCATED)

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Kassidy Maureen Siess, a 16-year-old from Jacksonville, Florida, was reported missing earlier this year after she was last seen in the local area. Law enforcement agencies quickly became involved, entering her case into official records and urging the public to assist in the search. Descriptions shared at the time noted that she is a white female, about 5 feet 5 inches tall, weighing approximately 200 pounds, with red or auburn hair and blue eyes.

When news of her disappearance spread, ...Read More
Last Seen: Mar 04, 2025

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Victim Details

Created

Mar 06, 2025

Case Added

Mar 06, 2025

Firstname

Kassidy

Lastname

Siess

Current Age

16

Age At Disappearance

16

Height

65 inches

Weight

200 lbs

Ethnicity

White / Caucasian

Gender

Female

Last Seen

Mar 04, 2025

City

Jacksonville

State

Florida

County

Duval County

Zip Code

Jacksonville

Tribal Land

No

Agency ID

165248

Agency Name

Jacksonville Sheriff's Office

Agency City

Jacksonville

Agency State

Florida

Agency County

Duval County

Agency Zip Code

32202

Agency Contact

Agency Address

501 East Bay Street, Florida

Agency Phone

9046300500

Agency Jurisdiction

County

Agency Type

Law Enforcement

Agency Website

https://www.jaxsheriff.org/

Agency Case #

25-131787

Agency Report Date

2025-03-05

Primary Agency

Jacksonville Sheriff's Office

Hair Color

Red/Auburn

Left Eye Color

Blue

Right Eye Color

Blue

Solved

Yes

Last Updated

01/10/2026

Area Last Seen:

Kassidy Siess
Missing

Case Description (LOCATED)

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Victim Details

Forum Posts (3)

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