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Kathleen Mohn Missing Person Case

Last seen in King of Prussia, Pennsylvania on Dec 03, 1999

Victim Details

Created

Apr 27, 2010

Case Added

Jan 06, 2021

Firstname

Kathleen

Lastname

Mohn

Current Age

Age At Disappearance

Height

60 inches

Height To

62 inches

Weight

120 lbs

Weight To

130 lbs

Ethnicity

White / Caucasian

Gender

Female

Last Seen

Dec 03, 1999

City

King of Prussia

State

Pennsylvania

County

Montgomery County

Zip Code

19406

Tribal Land

Agency ID

8450

Agency Name

Upper Merion Township Police

Agency City

King of Prussia

Agency State

Pennsylvania

Agency County

Montgomery County

Agency Zip Code

19406

Agency Contact

Richard Gehman

Contact Job Title

Detective

Agency Address

175 West Valley Forge Road, Pennsylvania

Agency Phone

6102653232

Agency Jurisdiction

Local

Agency Type

Law Enforcement

Agency Website

https://www.umtownship.org/department/police/

Agency Case #

9926080

Agency Report Date

1999-12-05

Primary Agency

Upper Merion Township Police

Hair Color

Brown

Left Eye Color

Brown

Right Eye Color

Brown

Solved

Last Updated

07/19/2026

Area Last Seen:

Case Description

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On a cold December evening in 1999, 48-year-old Kathleen Mohn vanished from her life in King of Prussia, Pennsylvania. She was a woman navigating a period of significant personal change, living under the same roof as her estranged husband of over two decades, Dr. Thomas Mohn, while also finding new companionship. On the evening of December 3rd, Kathleen was preparing to drive to Levittown to spend the weekend with her boyfriend, a trip she had made frequently in the preceding months. She had con ...

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Last Seen: Dec 03, 1999

Links to Additional Sources (8)

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Missing Person / NamUs #MP6968

Kathleen Mohn (Tullytown 1999) - PhillyBurbs

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Kathleen Mohn Missing Person Case

Last seen in King of Prussia, Pennsylvania on Dec 03, 1999

Victim Details

Case Description

Continue reading the complete case summary

Links to Additional Sources (8)

Unlock 6 additional sources

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