263 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Robert Mailloux Missing Person Case

Last seen in Petaluma, California on Feb 20, 1981

Victim Details

Created

Oct 29, 2013

Case Added

Mar 17, 2021

Firstname

Robert

Lastname

Mailloux

Current Age

Age At Disappearance

Height

71 inches

Weight

155 lbs

Ethnicity

White / Caucasian

Gender

Male

Last Seen

Feb 20, 1981

City

Petaluma

State

California

County

Sonoma County

Agency ID

22830

Agency Name

Petaluma Police Department

Agency City

Petaluma

Agency State

California

Agency County

Sonoma County

Agency Zip Code

94952

Agency Contact

Agency Address

969 Petaluma Boulevard North, California

Agency Phone

7077784372

Agency Jurisdiction

Local

Agency Type

Law Enforcement

Agency Website

http://cityofpetaluma.net/police/index.html

Agency Case #

R81-193

Primary Agency

Petaluma Police Department

Hair Color

Brown

Left Eye Color

Blue

Right Eye Color

Blue

Last Updated

07/12/2026

Area Last Seen:

Case Description

Any updates on this case? Let us know!

Robert Joseph Mailloux, aged 29, was last seen on February 20, 1981, in Petaluma, California. He disappeared under unclear circumstances, and there have been no significant developments or leads in his case since that time. Mailloux is described as a Caucasian male, standing 5'11" tall, weighing approximately 155 pounds, with brown hair and blue eyes. At the time of his disappearance, few details were known about what he was wearing or carrying.

Despite the passage of over fou ...

MEMBER ACCESS

Continue reading the complete case summary

Unlock the full case narrative for Robert Mailloux, all available source links, additional videos, and member discussions.

Unlock Full Case Access — $3.97/month

Cancel anytime.
Already a member? Log in

Last Seen: Feb 20, 1981

Links to Additional Sources (5)

See any mistakes? Let us know!

Missing Person / NamUs #MP22512

Robert Joseph Mailloux - The Charley Project

MEMBER ACCESS

Unlock 3 additional sources

View the complete collection of available reporting and reference links for this case.

View All Case Sources — $3.97/month

Cancel anytime.
Already a member? Log in

Robert Mailloux Missing Person Case

Last seen in Petaluma, California on Feb 20, 1981

Victim Details

Case Description

Continue reading the complete case summary

Links to Additional Sources (5)

Unlock 3 additional sources

Latest News

Army veteran sets off fireworks, starts fire outside NYC federal building, FBI says

The Disappearance of DeEtte Spencer

"Master yachtsman" fugitive captured on boat after 21 years on the run

The Disappearance of Perry Matheson

Details on suspect in explosion outside federal building in New York City

The Disappearance of Nancy Green

Tate brothers detained as they face new charges, possible U.K. extradition

The Disappearance of Kent Ridley

Searching for Maya Millete

The Disappearance of Derrick Sylvester

Forum Posts (1)

Join the discussion for Robert Mailloux

Other Missing Cases from Petaluma, California