# Last Woman Executed in California

> Elizabeth Duncan, mother-in-law of nurse Olga Kupczyk, executed in 1962 after killing her pregnant daughter-in-law.
- Title: Last Woman Executed in California · Sfgate | Shortify
- Summary: Elizabeth Duncan, mother-in-law of nurse Olga Kupczyk, executed in 1962 after killing her pregnant daughter-in-law. Elizabeth Duncan was executed in…
- Keywords: elizabeth duncan, olga kupczyk, frank duncan, santa barbara, california, death penalty, murder, gas chamber, san quentin, unborn child, news, local
- Source: Sfgate — https://sfgate.com/bayarea/article/last-woman-executed-california-22468877.php
- Read time: 1 min
- Topics: elizabeth duncan, olga kupczyk, frank duncan, santa barbara, california, death penalty, murder, gas chamber, san quentin, unborn child, news, local
## Olga Kupczyk in hospital
Olga Kupczyk, a 29-year-old nurse, cared for Elizabeth Ann Duncan after her 1957 suicide attempt.

> Your mother tried to get me to kidnap your wife
## Elizabeth Duncan's past
Elizabeth Duncan, born Hazel Nigh, married at least 10 times and ran a brothel in San Francisco.

> Your mother tried to get me to kidnap your wife
## Frank Duncan's marriage
Frank Duncan married Olga Kupczyk in 1958 after she became pregnant, but Elizabeth Duncan opposed the union.

> Your mother tried to get me to kidnap your wife
## Elizabeth's plan
Elizabeth Duncan hired two men to kill Olga Kupczyk, who was pregnant and living with her.

> Your mother tried to get me to kidnap your wife
## The murder
Elizabeth Duncan's men strangled Olga Kupczyk and buried her in a grave near Highway 150 in Santa Barbara.

> Your mother tried to get me to kidnap your wife
## Arrest and trial
Elizabeth Duncan was arrested for Olga Kupczyk's murder and convicted after a quick trial.

> Your mother tried to get me to kidnap your wife
## Execution
Elizabeth Duncan was executed in San Quentin's gas chamber on August 8, 1962, after her final appeal failed.

> Your mother tried to get me to kidnap your wife
## Aftermath
Frank Duncan, Olga's husband, was outraged by his mother's execution and claimed she was the best mother a son could have.

> Your mother tried to get me to kidnap your wife
## Unanswered questions
Elizabeth Duncan's body remains unaccounted for, with no permanent record in San Quentin's cemetery.

> Your mother tried to get me to kidnap your wife
## Legacy
California has never executed another woman since Elizabeth Duncan's death in 1962.

> Your mother tried to get me to kidnap your wife
## Key takeaway

Elizabeth Duncan was executed in California for murdering her pregnant daughter-in-law Olga Kupczyk in 1958.