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IDAHO SOR - offender profile

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Offender Identification Photograph
Reg ID: SX25843
KNO: 8005026
Name: MORTENSEN, WILLIAM MARVIN
Aliases:
MORETENSON, MARVIN MORSENSEN, WILLIAM MARVIN
MORTENSEN, ALLEN MORTENSEN, MARVIN
MORTENSEN, WILLIAM MORTENSEN, WILLIAM ALLEN
MORTENSEN, WILLIAM M MORTENSEN, WILLIAM MA
MORTENSEN, WILLIAM MARVIN ALLEN MORTENSON, ALLEN
MORTENSON, WILLIAM MORTENSON, WILLIAM ALLEN
MORTENSON, WILLIAM MARVIN ALLEN MORTSENSEN, WILLIAM MARVIN
V, WILLIAM M A  
Birth Date: March 29, 1974 Birth Place: CA
Race: WHITE Sex: MALE
Height: 5 ft 08 in Weight: 200 lbs
Eye Color: BLUE Hair Color: BLONDE OR STRAWBERRY
Primary Address
126 S 5TH W
SAINT ANTHONY, ID 83445
FREMONT COUNTY
A map of this registrant's address may be
available, click here to view it.
Last Photo Date: September 02, 2025 
Last Registered: September 02, 2025 
Last Process: VERIFY ADDR 
Last Process Update: January 13, 2026 
Last Verification Received: January 12, 2026 
Reg Status: COMPLIANT 
In order to track this offender via e-mail
click here: Track Registrant
Offenses Requiring Registration
Offense Description Date Place of Conviction
 18-6101 RAPE January 25, 2005  FREMONT ID
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The information in the Idaho sex offender registry is provided only for the purpose of protecting the public. It is not to be used for the purpose of harassing or intimidating anyone. A person who uses registry information to commit a criminal act against another person is subject to arrest and prosecution under sections 18-8326 or 18-8413, Idaho Code.


This inquiry may not be used for any commercial purpose or for compiling a telephone or mailing list. Idaho Code 74-120.
Database as of: Feb 25 2026 at 07:54 AM
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