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Jonathan Michael Mainwaring

Last Updated: June 19th, 2026
Jail Location
Montana
44yo
Male
175lbs (79kg)

Personal Details

Date of birth: 1982
Ethnicity: AMERICAN INDIAN OR ALASKAN NATIVE
Hair: Brown
Eyes: Brown
Skin tone: MEDIUM
Mt resident: Y
Marital status: SINGLE
L r handed: R
Inmate status: INMATE
Docket no: 46893
Citizen: United States
Build: MEDIUM
Birth place: MONTANA

Documented Aliases

JJ
JOHNATHAN M. MAINWARING
JOHNATHON MICHAEL MAINWARING
JON M. MAINWARING

Scars marks tattoos

Type: SCARS FOREARM, LEFT
Ncic code: SC LF ARM

Type: SCARS HAND, RIGHT
Ncic code: SC R HND

Type: TATTOO HAND, LEFT
Ncic code: TAT L HND
Description: "JON", "JC", CROSS

Type: TATTOO ARM, LEFT UPPER
Ncic code: TAT UL AR
Description: YING YANG, LINE

Type: TATTOO ARM, RIGHT UPPER
Ncic code: TAT UR AR
Description: CROSS

Recent Arrests

Booking location: Yellowstone County, MT

Recent Charges

Sentence type: PRISON
Sentence pronounced: 26-APR-05
Sentence effective: 26-APR-05
Offense: ASSAULT ON MINOR
Net sentence months: 240
Legal type: ORIGINAL SENTENCE
Judge: WATTERS
Docket: DC-03-0913
County: YELLOWSTONE
Counts: 1
Code: 455212

Sentence type: PRISON W/PARTIAL SUSPENDED
Sentence pronounced: 04-APR-05
Sentence effective: 04-APR-05
Offense: MITIGATED DELIBERATE HOMICIDE
Net sentence months: 276
Legal type: PROBATION VIOLATION
Judge: MCKEON
Docket: DC-1999-7
County: VALLEY
Counts: 1
Code: 455103

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