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Mary Ann Ruth Switalski

The person at the center of this case

Mary Ann Ruth Switalski

Case
#578
SourceFBI WantedUpdated Mar 15, 2026
Federal Bureau of Investigation (FBI)
Violent Crime · Open
62 years waiting · since 1963

MARY ANN RUTH SWITALSKI - CHICAGO, ILLINOIS

Justice for Mary Ann Ruth Switalski — the trail went cold in 1963, but the truth hasn't.

Start here

Key leads to think about

🎯
suspect
Lead #1

Who operated the door-to-door sales group allegedly headed to California that Mary Ann may have been coerced to join?

🔍
evidence
Lead #2

Was the handwriting analysis on the Oak Park letter conclusive, and could it reveal details about who wrote it or where Mary Ann was at that time?

💡
clue
Lead #3

Why would the letter be postmarked from Oak Park rather than the carnival location, and what does this tell us about her movements?

Mary Ann Ruth Switalski, a young girl, disappeared from a carnival at St. Priscilla's Catholic Church in Chicago on July 15, 1963. Two days later, her parents received a letter postmarked from Oak Park, Illinois, apparently in her handwriting but not her writing style, stating she was fine and would send money. Investigators believe she may have been coerced into joining a door-to-door sales group headed to California, and her fate remains unknown after more than 60 years.

Case
#578
SourceFBI WantedUpdated Mar 15, 2026
Federal Bureau of Investigation (FBI)

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More leads to consider

Beyond the top three above — each detail below could be the thread that pulls this case open.

👤
person
Lead #4

Did anyone at the carnival witness Mary Ann being approached or leaving with suspicious individuals?

⏰
timeline
Lead #5

What happened between July 15 and July 17 that resulted in the letter being mailed from Oak Park?

Have information about any of these leads?

Even the smallest detail could be the key to solving this case.

Official wording

Source Narrative

Chicago, Illinois July 15, 1963 Mary Ann was last seen at a carnival at St. Priscilla's Catholic Church in Chicago, IL on 7/15/1963.

Two days after her disappearance, her parents received a letter believed to be from Mary Ann, which was postmarked from Oak Park, IL. The letter (apparently written in her handwriting, but not her writing style) stated she was fine and she was going to make some money to support them.

No further contact was made. It is believed Mary Ann may have been coerced to join a door-to-door sales group that was headed to California.

Remarks: Subject was last seen wearing a black sleeveless blouse, white shorts and straw sandals.

Timeline of Events

👤
1963-07-15

Mary Ann Switalski disappears from carnival

Last seen at St. Priscilla's Catholic Church carnival in Chicago wearing a black sleeveless blouse, white shorts, and straw sandals.

📞
1963-07-17

Letter received from Mary Ann

Parents receive a letter postmarked from Oak Park, Illinois, apparently in her handwriting but not her writing style, stating she is fine and will send money to support them.

Key Locations
Interactive map showing important locations related to this case

Case Information

Incident:July 15, 1963
Last Updated:April 29, 2026

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Case Information

Incident:July 15, 1963
Last Updated:April 29, 2026