William Rayburn was paid $373,357.43 in total compensation as Chief Administrative Officer at County Of Middlesex in 2025, 273% above Ontario's $100,000.00 Sunshine List threshold.
William Rayburn has appeared on the Ontario Sunshine List 9 times since 2017, earning $2.6M in combined disclosed pay — an average of $292,249.00 a year, up 65% over that span.
That is 155% above the average disclosed pay of $146,334.40 across 57 listed County Of Middlesex employees.
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9 years on the list
Annual total compensation (CAD) — hover to inspect.
The career in numbers
Totals, averages, and the biggest moves — all total compensation.
A career, year by year.
How William Rayburn's total compensation has moved across 9 years on the Ontario Sunshine List.
Year-by-year history
9 years on the Sunshine List.
| Year | Total Compensation | Change |
|---|---|---|
2025Latest★ Best | $373,357.43 | ▲ 15.2% |
2024 | $324,095.08 | ▲ 4.4% |
2023 | $310,522.95 | ▲ 3.1% |
2022 | $301,078.57 | ▲ 2.2% |
2021 | $294,498.85 | ▼ 1.3% |
2020 | $298,412.38 | ▲ 19.2% |
2019 | $250,430.87 | ▼ 0.6% |
2018 | $251,919.43 | ▲ 11.5% |
2017First | $225,927.87 | — |
| 9 years total | $2.6M total | $292,249.00 avg |
The record
Source data and how to request a correction.
Employee details
- Position
- Chief Administrative Officer
- Employer
- County Of Middlesex
- Sector
- —
- Province
- Ontario
- First appeared
- 2017
- Latest disclosure
- 2025
- Years on list
- 9
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.
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