Public Salaries
Ontario public pay

Christopher Mackie

Medical Officer of Health at Middlesex – London Health Unit. On Ontario’s disclosure list 7 years between 2014 and 2021.

Salary disclosure2021
Christopher Mackie
Medical Officer of Health
Middlesex – London Health Unit
Salary paid
$468,874.19
Taxable benefits
$2,046.48
Total disclosed
$470,920.67
Source: Government of Ontario, Public Sector Salary Disclosure Act, 1996. © King’s Printer for Ontario.
Change from 2020: +$53,948 (+13.0%)
7years on
the list

Among 21 people with the title “Medical Officer of Health” in 2021

Paid more than 90% of them. Their median: $325,613.

Among 93 people at Middlesex – London Health Unit in 2021

1st highest paid. Their median: $113,664.

Paid more than 99.9% of everyone on the 2021 disclosure list, which only lists people paid $100,000 or more.

middle 80%middle halfmedianthis personspacing grows with pay (log scale)

Salary by year

Show as a table
YearSalaryMedian for the job
2014$320,268
2016$310,175
2017$258,669
2018$289,617$284,926
2019$301,655$285,363
2020$414,927$335,139
2021$468,874$325,613

History

YearEmployer and jobSalaryBenefitsIn 2025 dollarsChange
2021Middlesex – London Health UnitMedical Officer of Health$468,874$2,046$542,218+$53,948 (+13.0%)
2020Middlesex – London Health UnitMedical Officer of Health$414,927$2,046$496,473+$113,271 (+37.5%)
2019Middlesex – London Health UnitMedical Officer of Health$301,655$2,040$363,303+$12,038 (+4.2%)
2018Middlesex – London Health UnitMedical Officer of Health$289,617$2,309$355,264+$30,948 (+12.0%)
2017Middlesex – London Health UnitMedical Officer of Health and Chief Executive Officer/Médecin hygiéniste et directeur général$258,669$894$324,758−$51,505 (−16.6%)
2016Middlesex – London Health UnitMedical Officer of Health and Chief Executive Officer/Médecin hygiéniste et directeur général$310,175$1,970$396,029
2014Middlesex – London Health UnitMedical Officer of Health and Chief Executive Officer / Médecin hygiéniste et directeur général$320,268$1,601$421,258

In 2025 dollars: each year’s pay at 2025 prices, by Ontario’s consumer price index (Statistics Canada, table 18-10-0005-01).

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Questions and answers

Why is Christopher Mackie on the disclosure list?

Middlesex – London Health Unit paid Christopher Mackie $468,874 in 2021. Ontario’s public employers must disclose everyone they paid $100,000 or more in a calendar year, under the Public Sector Salary Disclosure Act, 1996.

What does “salary paid” include?

What the employer paid in the calendar year, so it can include overtime, retroactive pay, vacation payouts, severance or a partial year. Taxable benefits are listed separately. How the lists work

What do the comparisons mean?

Ranks and shares are among people on the same year’s list only: those with the same title, those at the same employer, or everyone listed. People paid under $100,000 are not on the list, so they are not counted.

How do I report a mistake or ask for a record to be removed?

Privacy and corrections explains both. Figures are shown exactly as Ontario published them; we fix matching mistakes and handle removal requests there.

Years are matched by name and employer. Salary paid can include overtime, retroactive pay and one-time payments. Figures are exactly as Ontario published them. How we match years · Report a mistake or ask for removal