Canada · Public Sector Salary DisclosureEdition 2025
KM
On the 2025 Sunshine List · 2 years

Kathleen Mahon

Supervisor, Payroll / Superviseur, Paie · Metrolinx
2025 Total Compensation Paid
$141,546.57
▼ 4.3% since 2024

Kathleen Mahon was paid $141,546.57 in total compensation as Supervisor, Payroll / Superviseur, Paie at Metrolinx in 2025, 42% above Ontario's $100,000.00 Sunshine List threshold.

Kathleen Mahon has appeared on the Ontario Sunshine List 2 times since 2024, earning $289K in combined disclosed pay — an average of $144,745.00 a year, down 4% over that span.

That is 2% above the average disclosed pay of $138,712.41 across 4,713 listed Metrolinx employees.

$141,546.57
Latest compensation
in 2025
$289K
Total compensation
across 2 years
$144,745.00
Average / year
while on Sunshine List
-4.3%
Career growth
since 2024
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FIG. 01

2 years on the list

Annual total compensation (CAD) — hover to inspect.

$138K$141K$144K$147K$150K20242025
FIG. 02

The career in numbers

Totals, averages, and the biggest moves — all total compensation.

A career, year by year.

How Kathleen Mahon's total compensation has moved across 2 years on the Ontario Sunshine List.

Highest year2024 · $147,944.20
Lifetime total compensation$289K
Annual average$144,745.00
Total growth since 2024-4.3%
Biggest drop-4.3% (2025)
FIG. 03

Year-by-year history

2 years on the Sunshine List.

YearPositionTotal CompensationChange
2025Latest
Supervisor, Payroll / Superviseur, Paie$141,546.57▼ 4.3%
2024First★ Best
Supervisor, Payroll / Superviseur, Paie$147,944.20
2 years total$289K total$144,745.00 avg
FIG. 04

The record

Source data and how to request a correction.

Employee details

Position
Supervisor, Payroll / Superviseur, Paie
Employer
Metrolinx
Sector
Province
Ontario
First appeared
2024
Latest disclosure
2025
Years on list
2

Data source

Salary data is published annually by the Ontario government under the Public Sector Salary Disclosure Act. Only employees earning $100,000+ are disclosed.

Name removal

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