Mary Shashikumar
William Osler Health System/Registered Nurse
2025 Salary
$137,205Total compensation $137,686, including $482 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
#428William Osler Health System
Years on List
62020–2025
Peak Salary
$137,2052025
Full 2025 roster at William Osler Health System →·See where $137,205 ranks →
Total Compensation History
Full History
2020–2025
$101,040 in 2020 is worth about $121,100 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Registered NurseWilliam Osler Health System | $137,205Benefits $482Total $137,686 |
| 2024 | Registered NurseWilliam Osler Health System | $129,487Benefits $475Total $129,962 |
| 2023 | Registered NurseWilliam Osler Health System | $125,880Benefits $438Total $126,317 |
| 2022 | Registered NurseWilliam Osler Health System | $103,137Benefits $418Total $103,555 |
| 2021 | Registered NurseWilliam Osler Health System | $101,079Benefits $413Total $101,492 |
| 2020 | Registered NurseWilliam Osler Health System | $101,040Benefits $406Total $101,446 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $137,205 Mary Shashikumar earned in 2025, roughly $96,629 would remain after income tax, CPP and EI, an all-in deduction rate of about 29.6%. For comparison, the median Registered Nurse on the 2025 list was paid $118,460; this salary is about 16% more. Compared with 2024, when the figure was $129,487, that is a rise of about 6%. After pension contributions (probably HOOPP in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$96,629
- Effective income-tax rate (excl. CPP/EI)
- ~25.6%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~29.6%
- vs. 2025 Registered Nurse median
- +16%
Where does $137,205 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.