Skip to content

Kasia Kowalewski

Southlake Health/Registered Nurse

2025 Salary

$138,347

Total compensation $138,751, including $404 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

#277

Southlake Health

Years on List

7

2019–2025

Peak Salary

$146,027

2024

Full 2025 roster at Southlake Health →·See where $138,347 ranks →

Total Compensation History

Total compensation by yearLine chart of 7 yearly values of total compensation, from $114,412 in 2019 to $138,751 in 2025.$100K$110K$120K$130K$140K$150K201920202021202320242025
Total compensation, 2019–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2019–2025

$114,029 in 2019 is worth about $137,673 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Registered NurseSouthlake Health$138,347Benefits $404Total $138,751
2024Registered NurseSouthlake Regional Health Centre$146,027Benefits $397Total $146,424
2023Registered NurseSouthlake Regional Health Centre$135,169Benefits $387Total $135,556
2022Registered NurseSouthlake Regional Health Centre$123,146Benefits $398Total $123,544
2021Registered NurseSouthlake Regional Health Centre$121,478Benefits $395Total $121,872
2020Registered NurseSouthlake Regional Health Centre$109,455Benefits $400Total $109,855
2019Registered NurseSouthlake Regional Health Centre$114,029Benefits $383Total $114,412

Take-Home Pay
(After Tax) · 2025 estimate

Kasia Kowalewski was paid $138,347 in 2025; after income tax, CPP and EI that is roughly $97,275, an effective income-tax rate of about 25.7%. That is about 17% above the 2025 median of $118,460 for Registered Nurse on the Sunshine List. On total compensation of $138,751, Kasia Kowalewski ranked #277 of 1,219 disclosed at Southlake Health that year, where the median salary was $119,117. After pension contributions (probably HOOPP in this sector), take-home is usually a further 7–10% lower.

Estimated net pay
~$97,275
Effective income-tax rate (excl. CPP/EI)
~25.7%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~29.7%
vs. 2025 Registered Nurse median
+17%

Where does $138,347 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.

Also at Southlake Health
2025

View all 1,219 employees at Southlake Health (2025) →