John Mcmahon
Ontario Court of Justice/Regional Senior Justice of the Peace
2025 Salary
$183,303Total compensation $183,532, including $230 in taxable benefits.
Source: Ontario’s Public Sector Salary Disclosure — names paid $100,000 or more that year. How we build this · Report an error on this page
At a Glance
2025
Employer Rank
#368Ontario Court of Justice
Years on List
102015–2025
Peak Salary
$183,3032025
Full 2025 roster at Ontario Court of Justice →·See where $183,303 ranks →
Total Compensation History
Full History
2015–2025
$127,224 in 2015 is worth about $165,009 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Regional Senior Justice of the PeaceOntario Court Of Justice | $183,303 |
| 2024 | Regional Senior Justice of the PeaceOntario Court Of Justice | $176,514 |
| 2023 | —Ontario Court Of Justice / Cour De Justice De L'ontario | $176,514 |
| 2022 | Regional Senior Justice of the PeaceOntario Court Of Justice | $172,018 |
| 2021 | Regional Senior Justice of the PeaceOntario Court Of Justice | $159,267 |
| 2020 | Regional Senior Justice of the PeaceOntario Court Of Justice | $149,711 |
| 2019 | Presiding Justice of the PeaceOntario Court Of Justice | $141,694 |
| 2018 | Presiding Justice of the PeaceOntario Court of Justice | $132,374 |
| 2016 | Justice of the PeaceOntario Court of Justice | $129,909 |
| 2015 | Justice of the Peace / Juge de paixOntario Court of Justice | $127,224 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, John Mcmahon's $183,303 salary works out to roughly $122,068 after income tax, CPP and EI — an all-in deduction rate of about 33.4%. Compared with 2024, when the figure was $176,514, that is a rise of about 4%. John Mcmahon has appeared on the list 10 times since 2015. After pension contributions (probably PSPP or OPTrust in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$122,068
- Effective income-tax rate (excl. CPP/EI)
- ~30.4%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~33.4%
Where does $183,303 rank on the Sunshine List? →
Estimate only: 2025 federal and Ontario rates, basic personal amounts, Canada employment amount and CPP/EI credits; single, employment income only, salary treated as full-year income. Ignores pension contributions (OMERS, HOOPP, OTPP, OPTrust and similar plans lower actual take-home), union dues, RRSPs and benefits.