Grants paid by Arline & Thomas Bannan Foundation C/O Parker Milliken Clark O'hara
EIN 91-6029798 · Los Angeles, CA · Form 990-PF, Part XV
Arline & Thomas Bannan Foundation C/O Parker Milliken Clark O'hara of Los Angeles, CA (EIN 91-6029798) reported 37 grants paid totaling $577,000 to 8 recipients in tax years 2018–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$577,000
37 grants
Recipients
8
distinct organizations
Tax years
2018–2025
8 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 4 | $70,000 | — |
| 2019 | 4 | $75,000 | — |
| 2020 | 4 | $85,000 | — |
| 2021 | 4 | $75,000 | — |
| 2022 | 5 | $61,000 | — |
| 2023 | 6 | $71,000 | — |
| 2024 | 5 | $70,000 | — |
| 2025 | 5 | $70,000 | — |
Top recipients
The 8 recipients receiving the most from Arline & Thomas Bannan Foundation C/O Parker Milliken Clark O'hara, by grants paid, out of 8 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| California Science Center Foundation 95-2210527 | B | Los Angeles, CA | 8 | $195,000 | 2025 |
| Loyola High School of Los Angeles 95-1664109 | B | Los Angeles, CA | 8 | $160,000 | 2025 |
| Vatican Observatory | U | Tucson, AZ | 5 | $80,000 | 2022 |
| Ca Province of the Society of Jesus | U | Los Gatos, CA | 5 | $50,000 | 2022 |
| California Province of the Society of Jesus 94-6183431 | D | Los Gatos, CA | 3 | $30,000 | 2025 |
| Vatican Observatory Foundation 86-0559994 | D | Tucson, AZ | 3 | $30,000 | 2025 |
| Catholic Charities of Los Angeles 95-1690973 | B | Los Angeles, CA | 3 | $30,000 | 2025 |
| Catholic Education Foundation 30-0806839 | D | Los Angeles, CA | 2 | $2,000 | 2023 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 37 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | California Science Center Foundation Los Angeles, CA | B | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202641179349101824 |
| 2025 | Loyola High School of Los Angeles Los Angeles, CA | B | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202641179349101824 |
| 2025 | Catholic Charities of Los Angeles Los Angeles, CA | B | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202641179349101824 |
| 2025 | California Province of the Society of Jesus Los Gatos, CA | D | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202641179349101824 |
| 2025 | Vatican Observatory Foundation Tucson, AZ | D | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202641179349101824 |
| 2024 | Loyola High School of Los Angeles Los Angeles, CA | B | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202500869349100610 |
| 2024 | California Science Center Foundation Los Angeles, CA | B | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202500869349100610 |
| 2024 | California Province of the Society of Jesus Los Gatos, CA | D | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202500869349100610 |
| 2024 | Catholic Charities of Los Angeles Los Angeles, CA | B | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202500869349100610 |
| 2024 | Vatican Observatory Foundation Tucson, AZ | D | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202500869349100610 |
| 2023 | California Science Center Foundation Los Angeles, CA | B | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202431849349100123 |
| 2023 | Loyola High School of Los Angeles Los Angeles, CA | B | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202431849349100123 |
| 2023 | Vatican Observatory Foundation Tucson, AZ | D | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202431849349100123 |
| 2023 | California Province of the Society of Jesus Los Gatos, CA | D | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202431849349100123 |
| 2023 | Catholic Charities of Los Angeles Los Angeles, CA | B | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202431849349100123 |
| 2023 | Catholic Education Foundation Los Angeles, CA | D | $1,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202431849349100123 |
| 2022 | Loyola High School of la Los Angeles, CA | C | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202331289349102218 |
| 2022 | California Science Center Los Angeles, CA | C | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202331289349102218 |
| 2022 | Ca Province of the Society of Jesus Los Gatos, CA | U | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202331289349102218 |
| 2022 | Vatican Observatory Tucson, AZ | U | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202331289349102218 |
| 2022 | Catholic Education Foundation Los Angeles, CA | D | $1,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202331289349102218 |
| 2021 | California Science Center Los Angeles, CA | C | $35,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202211309349100636 |
| 2021 | Loyola High School of la Los Angeles, CA | C | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202211309349100636 |
| 2021 | Ca Province of the Society of Jesus Los Gatos, CA | U | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202211309349100636 |
| 2021 | Vatican Observatory Tucson, AZ | U | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202211309349100636 |
| 2020 | California Science Center Los Angeles, CA | C | $35,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202131209349102063 |
| 2020 | Vatican Observatory Tucson, AZ | U | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202131209349102063 |
| 2020 | Loyola High School of la Los Angeles, CA | C | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202131209349102063 |
| 2020 | Ca Province of the Society of Jesus Los Gatos, CA | U | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202131209349102063 |
| 2019 | California Science Center Los Angeles, CA | C | $25,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202031849349101368 |
| 2019 | Vatican Observatory Tucson, AZ | U | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202031849349101368 |
| 2019 | Loyola High School of la Los Angeles, CA | C | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202031849349101368 |
| 2019 | Ca Province of the Society of Jesus Los Gatos, CA | U | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202031849349101368 |
| 2018 | Vatican Observatory Tucson, AZ | U | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 201911279349101511 |
| 2018 | Loyola High School of la Los Angeles, CA | C | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 201911279349101511 |
| 2018 | California Science Center Los Angeles, CA | C | $20,000 | paid | TO FURTHER CHARITABLE PURPOSES | 201911279349101511 |
| 2018 | Ca Province of the Society of Jesus Los Gatos, CA | U | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 201911279349101511 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2025 | 2025-12-31 | not stated | 2025v4.1 | 202641179349101824 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202500869349100610 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202431849349100123 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202331289349102218 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.0 | 202211309349100636 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.0 | 202131209349102063 |
| 990PF | 2019 | 2019-12-31 | not stated | 2019v5.0 | 202031849349101368 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.1 | 201911279349101511 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/916029798.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.