Associate Justice, Massachusetts Superior Court, presiding over Commonwealth v. Clancy
Hon. William F. Sullivan
Bench Watch Brief · Profile in brief
William F. Sullivan is a Massachusetts Superior Court judge presiding over Lindsay Clancy's murder case in Plymouth County. Gov. Deval Patrick appointed him in 2014. He is a former prosecutor and longtime defense lawyer. Massachusetts judges must retire at 70.
Before the bench
Norfolk County assistant district attorney (1982–84); criminal defense lawyer with his own Quincy practice, Sullivan & Sweeney; special assistant city solicitor for Quincy (2006–08).
Highlights and issues
Notable ruling
Notable ruling
Notable ruling
Declares a mistrial in the Clancy case after the jury deadlocks; refuses to remove the holdout juror
Reversed on appeal
Commonwealth v. Sanders. The court found an evidence error, not misconduct.
Election
Tracker · covers 2021–2026 · updated November 14, 2026
Judge William F. Sullivan's record in serious criminal cases
Bench Watch logs decisions by Judge William F. Sullivan of the Massachusetts Superior Court in serious criminal cases, from court records, the Plymouth County DA's releases and news reports. It isn't a complete record. In the four cases where prosecutors' sentencing requests were reported, he sentenced below them three times and matched the request once.
15 entries · select a column to sort
| Source | ||||||
|---|---|---|---|---|---|---|
| 2026 | Commonwealth v. Lindsay Clancy | Motion to dismiss (double jeopardy) | Denied, finding the jury's deadlock made the mistrial necessary; also denied the defense's requests to question the holdout juror and obtain the juror's records | Defense asked to dismiss the murder charges; prosecutors opposed | SourceCase file | |
| 2026 | Commonwealth v. Lindsay Clancy | Gag order | Denied the prosecution's request to limit lawyers' public statements | Prosecution asked for the order; the defense opposed it | SourceCase file | |
| 2026 | Commonwealth v. Lindsay Clancy | Required finding | Denied the defense motion for a required finding of not guilty | SourceCase file | ||
| 2026 | Commonwealth v. Lindsay Clancy | Mistrial | Declared a mistrial after the jury deadlocked; refused to remove the holdout juror | Defense asked to remove the holdout juror | SourceCase file | |
| 2025 | Commonwealth v. Lindsay Clancy | Ruling: psychiatric examinations after an insanity defense was announced | Allowed examinations by experts chosen by the prosecution | Source | ||
| 2024 | Commonwealth v. Jack Callahan | Sentence (involuntary manslaughter, jury) | 4 to 6 years | Prosecution: 9 to 15 years | Below the prosecution's request | Source |
| 2024 | Commonwealth v. Dvante Bly-Mollenthiel | Sentence: voluntary manslaughter and gun charges (guilty plea) | 12 to 15 years | Prosecution: 12 to 15 years | Matched the prosecution's recommendation | Source |
| 2023 | Commonwealth v. Shannon Squires | Sentence (manslaughter, kidnapping; plea) | 8 to 10 years, plus 5 years' probation | Source | ||
| 2023 | Commonwealth v. Kirstin Smith | Sentence (voluntary manslaughter, jury) | 5 to 6 years | Prosecution: 13 to 14 years | Below the prosecution's request | Source |
| 2023 | Commonwealth v. Kenston Scott | Sentence (manslaughter, armed home invasion; plea) | 18 to 20 years | Source | ||
| 2023 | Commonwealth v. Jonathan and Lucnalie Jironvil | Sentence (attempted murder and related charges, jury) | 8 to 10 years each | Prosecution: 14 to 16 years | Below the prosecution's request | Source |
| 2023 | Commonwealth v. Takari Elliot | Sentence (manslaughter; plea) | 3 to 5 years, plus 2 years' probation | Source | ||
| 2023 | Commonwealth v. Robert Savignano | Sentence (manslaughter; plea) | 7 to 10 years | Source | ||
| 2022 | Commonwealth v. Latarsha Sanders | Sentence (first-degree murder, jury) | Two life terms without parole, plus 9 to 10 years concurrent; the SJC vacated the murder convictions and ordered a new trial (2026) | Mandatory for first-degree murder | Source | |
| 2021 | Commonwealth v. Donta Hood | Sentence (involuntary manslaughter, gun charges; plea) | 9 years to 9 years and a day | Source |
Cases we follow in this courtroom
Video · WCVB Channel 5 BostonCriminal trialMistrialCommonwealth v. Lindsay Clancy
Plymouth Super. Ct. · No. 2383CR0019
Lindsay Clancy is charged with three counts of first-degree murder in the January 2023 deaths of her three young children in Duxbury, Massachusetts. She pleaded not guilty and argued she lacked criminal responsibility because of postpartum mental illness. Her trial ended in a mistrial on Sept. 4, 2026, after the jury deadlocked. On Nov. 9, Judge William F. Sullivan ruled that she can be tried again. The case returns to court Nov. 16, when he plans to set a trial date.
Updated November 14, 2026 · 3 min read
Sources
- Canton Citizen: appointmentOther · June 5, 2014
- Reuters: Clancy trial the latest high-profile case for Judge Sullivan (age 69)Other · September 4, 2026
- Courthouse News: slated to retire in mid-2027Other · November 2, 2026
- Massachusetts Constitution, Amendments Art. XCVIII (judges retire at 70)Other
