London, ON · Private foundation
The Walter J Blackburn Foundation
The foundation funds capital needs for charitable organizations in the fields of health care social services the arts education and the environment.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2024
- Under C$10k4 grants · C$35k
- C$10k–50k11 grants · C$220k
| Recipient | Amount |
|---|---|
| HARVEST OUTREACH INTERNATIONAL INC. | C$48,000 |
| LONDON HUMANE SOCIETY | C$30,000 |
| WINDSOR CANCER CENTRE FOUNDATION | C$25,000 |
| LONDON AND AREA FOOD BANK INC | C$25,000 |
| MUSEUM LONDON | C$21,690 |
| LONDON REGIONAL CHILDREN'S MUSEUM | C$20,000 |
| THAMES TALBOT LAND TRUST | C$10,000 |
| SOCIETY OF ST VINCENT DE PAUL LONDON DEANERY PARTICULAR | C$10,000 |
| KAWARTHA TURTLE TRAUMA CENTRE | C$10,000 |
| HURON HOSPICE VOLUNTEER SERVICE | C$10,000 |
| ALZHEIMER SOCIETY SOUTHWEST PARTNERS | C$10,000 |
| LONDON AND MIDDLESEX HERITAGE MUSEUM | C$9,600 |
| UNITED WAY / CENTRAIDE WINDSOR-ESSEX COUNTY | C$9,095 |
| MONTESSORI ACADEMY OF LONDON INC. | C$8,801 |
| PILLAR NONPROFIT NETWORK | C$7,401 |
Who you back again
Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.
And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +35% since the first grant, against +18% for the ones you funded once.
42 repeat relationships — 10 still active in FY2024, 32 since wound down; 5 grantees were first funded in FY2024 (too recent to call).
How the two cohorts compare
Organizations
Total granted
Median revenue growth · since first grant
Still filing today
New vs renewed · share of each year
In FY2024, 70% of grant dollars renewed an existing relationship; C$76k went to new ones.
First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). The earliest year is left-censored: relationships that predate the data read as “new.”
Backed again, and grew
- SHST.JOSEPH'S HOSPICE4× · 2018–2023 · C$103k · revenue +37%
- HOHARVEST OUTREACH INTERNATIONAL INC.2× · 2022–2024 · C$79k · revenue +33%
- LCLONDON CHILDREN'S MUSEUM3× · 2020–2024 · C$63k · revenue +69%
Funded once
- TGTHE GRAND THEATREone grant, 2021 · C$25k · revenue -94%
- HOHOSPICE OF LEGINgraduatedone grant, 2021 · C$25k · revenue +108%
- RLREFOREST LONDONgraduatedone grant, 2019 · C$20k · revenue +35%
Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent CRA filings.
The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matches that aren’t grantees — a resemblance in what they say they do, not a recommendation.
London Health Sciences Centre is a teaching hospital located in London Ontario Canada. LHSC provides compassionate care to communities we serve
Erie shores health foundation raises capital for new equipment and building infrastructure for erie shores healthcare; capital campaigns currently being supported include diagnostic imaging mri equipment and urology. erie shores health…
We raise fund for research education and the enhancement of patient care at Toronto General and Western hospitals as well as Toronto Rehabilitation Institute and Michener Institute of Education at UHN. Together with our donors we are…
To carry on or promote medical scientific research and experimental development (including basic and clinical research to produce scientific knowledge that contributes to the alleviation and prevention of human disease) at or in…
The purpose of ontario shores foundation is to raise funds for the strategic priorities of the hospital and its partner organizations. fundraising revenue supports program innovation research education programs that promote mental health…
William Osler Health System Foundation (Osler Foundation) provides funding to William Osler Health System (Osler) a leading hospital system serving more than 1.3 million people in Brampton North Etobicoke Caledon and surrounding…
Raise manage and distribute funds in support of our hospitals and cancer centre for patient care research education equipment renovations and capital expenditures.
The toronto rehabilitation institute foundation's mission is to raise grant and steward funds to support the mission of the toronto rehabilitation institute (which is part of the university health network) to develop solutions for people…
The foundation collects and administers funds on behalf of windsor regional hospital
Michael Garron Hospital Foundation raises funds and engages our community in support of Michael Garron Hospital a vibrant community teaching hospital serving more than 400 000 people in 22 distinct neighbourhoods in East Toronto. With…
The foundation's mission is to transform healthcare through giving. we achieve this through a range of fundraising programs carried out by our professional team and volunteers. ongoing programs include annual monthly and online giving;…
Raise funds for improvement of health care services in the area served by south huron hospital
For reference, the grantee most central to the portfolio’s shape is Bereaved Families of Ontario - Southwest Region and the most unlike its peers is House of Sophrosyne. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
107 grantees tracked through their own filings, 2017–2024.
Each one resolved to its own CRA returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.
Counted here: distinct organizations you funded across 2017–2024, not grant rows in a single year — so this will not match the grant count on the cover. 107 of the 113 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.
Each org by its size and your share of it — top-left is where you’re load-bearing
Go grantee by grantee — a decade per org, and how each moved after you funded them
A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.
- Who funds ST.JOSEPH'S HOSPICE ↗
- Who funds HARVEST OUTREACH INTERNATIONAL INC. ↗
- Who funds LONDON CHILDREN'S MUSEUM ↗
- Who funds SARI THERAPEAUTIC RIDING ↗
- Who funds LONDON HEALTH SCIENCES FOUNDATION ↗
- Who funds INDWELL ↗
- Who funds LONDON HUMANE SOCIETY ↗
- Who funds THAMES TALBOT LAND TRUST ↗
- Who funds St. Joseph's Health Care Foundation ↗
- Who funds YMCA ↗
- Who funds WINDSOR CANCER CENTRE FOUNDATION ↗
- Who funds YOU ↗
- Who funds Children's Health Foundation ↗
- Who funds United Way Windsor Essex County ↗
- Who funds PILAR NONPROFIT NETWORK ↗
- Who funds EASTER SEALS ONTARIO ↗
- Who funds THE GRAND THEATRE ↗
- Who funds HOSPICE OF LEGIN ↗
- Who funds LONDON AND AREA FOOD BANK INC ↗
- Who funds MUSEUM LONDON ↗
- Who funds NATURE CONSERVANCY OF CANADA ↗
- Who funds REFOREST LONDON ↗
- Who funds L'ARCHE STRATFORD ↗
- Who funds HURON UNIVERSITY COLLEGE ↗
- Who funds LONDON COMMUNITY DENTAL ALLIANCE ↗
- Who funds Participation House Foundation ↗
- Who funds FOREST CITY FILM FESTIVAL ↗
- Who funds WESTERN UNIVRSITY ↗
- Who funds BRESCIA UNIVERSITY COLLEGE ↗
- Who funds ALZHEIMER SOCIETY SOUTHWEST PARTNERS ↗
- Who funds MONTESSORI ACADEMY OF LONDON INC. ↗
- Who funds KIDS MENTAL HEALTH OPTIMIST CLUB OF CANADA ↗
- Who funds CNIB ↗
- Who funds INVESTING IN CHIILDREN ↗
- Who funds HURON HOSPICE VOLUNTEER SERVICE ↗
- Who funds LONDON COMMUNITY RESOURCE CENTRE ↗
- Who funds PORT BURWELL PERISCOPE PLAYHOUSE ↗
- Who funds STRATFORD PERTH ROTARY HOSPICE FOUNDATION ↗
- Who funds BIG BROTHERS BIG SISTERS OF LONDON AND AREA ↗
- Who funds ONTARIO FARMLAND TRUST ↗
The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.
Open a dossier: London Community Foundation · Westminster College Foundation · Mowbray and Doris Sifton Family Foundation · The Jack and Barbara Hay Foundation · United Way Elgin Middlesex · The Lawson Foundation · LUTHERAN SOCIAL SERVICES (London) · The Agape Foundation of London · Congregation of the Sisters of St. Joseph in Canada · The London Police Association Charity Fund · Elgin-St. Thomas Community Foundation · London Knights Alumni Foundation
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.