| 2025 | Donor Advised Charitable Giving Inc | Vatican Observatory Foundation a Nonprofit Corporation Tucson, AZ | A | $674,000 | paid | ASTRONOMY | 202611199349300601 |
| 2025 | The Thomas Lord Charitable Ta | Vatican Observatory Foundation Tucson, AZ | D | $100,000 | paid | GENERAL SUPPORT | 202621289349103077 |
| 2025 | Vanguard Charitable Endowment Program | Vatican Observatory Foundation a Nonprofit Corpora Tucson, AZ | A | $20,000 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202621329349306657 |
| 2025 | Fidelity Investments Charitable Gift Fund | Vatican Observatory Foundation a Nonprofit Corpora Tucson, AZ | A | $18,500 | paid | For grant recipient's exempt purposes | 202601389349301700 |
| 2025 | Arline & Thomas Bannan Foundation C/O Parker Milliken Clark O'hara | Vatican Observatory Foundation Tucson, AZ | D | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202641179349101824 |
| 2025 | The Rocco and Barbara Martino Foundation Inc | Vatican Observatory Foundation Tuscon, AZ | D | $500 | paid | GRANT TO ANOTHER 501(C)(3) ORGANIZATION | 202631329349103288 |
| 2025 | Thomas Sidlik & Rebecca Boylan Foundation | Vatican Observatory Foundation Tucson, AZ | D | $300 | paid | GENERAL SUPPORT | 202631279349101243 |
| 2025 | Donald J Voorhies Charitable Foundation | Vatican Observatory Foundation Tucson, AZ | D | $200 | paid | TO PROVIDE FINANCIAL SUPPORT | 202630279349100723 |
| 2024 | Donor Advised Charitable Giving Inc | Vatican Observatory Foundation a Nonprofit Corporation Tucson, AZ | A | $136,800 | paid | ASTRONOMY | 202541069349300729 |
| 2024 | The Thomas Lord Charitable Ta | Vatican Observatory Foundation Tucson, AZ | D | $100,000 | paid | GENERAL SUPPORT | 202521229349101902 |
| 2024 | Samuel J & Connie M Frankino Charitable Foundation | Vatican Observatory Foundation Tucson, AZ | D | $50,000 | paid | GENERAL | 202422049349100017 |
| 2024 | Fred a Lennon Charitable Trust | Vatican Observatory Foundation (az) Tucson, AZ | D | $50,000 | paid | GENERAL SUPPORT | 202533219349106363 |
| 2024 | Fidelity Investments Charitable Gift Fund | Vatican Observatory Foundation a Nonprofit Corpora Tucson, AZ | A | $19,350 | paid | For grant recipient's exempt purposes | 202521349349310887 |
| 2024 | Morgan Stanley Global Impact Funding Trust Inc | Vatican Observatory Foundation a Nonprofit Corporation Tucson, AZ | A | $10,000 | paid | UNRESTRICTED GENERAL SUPPORT | 202503239349300435 |
| 2024 | Arline & Thomas Bannan Foundation C/O Parker Milliken Clark O'hara | Vatican Observatory Foundation Tucson, AZ | D | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202500869349100610 |
| 2024 | Vanguard Charitable Endowment Program | Vatican Observatory Foundation Tucson, AZ | A | $7,500 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202511349349313096 |
| 2024 | National Philanthropic Trust | Vatican Observatory Foundation Tucson, AZ | A | $7,000 | paid | EDUCATION | 202511339349301311 |
| 2024 | Klm Foundation | Vatican Observatory Foundation Tucson, AZ | D | $2,500 | paid | GENERAL | 202543179349103959 |
| 2024 | The Shamrock Trust | Vatican Observatory Foundation Tucson, AZ | D | $250 | paid | AS NEEDED | 202542569349100609 |
| 2024 | Donald J Voorhies Charitable Foundation | Vatican Observatory Foundation Tucson, AZ | D | $200 | paid | TO PROVIDE FINANCIAL SUPPORT | 202540179349100034 |
| 2023 | California Community Foundation | Vatican Observatory Foundation Tuscon, AZ | A | $250,000 | paid | EDUCATION | 202441359349312719 |
| 2023 | Schwab Charitable Fund | Vatican Observatory Foundation a Nonprofit Corporation Tucson, AZ | A | $171,600 | paid | RELIGION RELATED | 202411039349301716 |
| 2023 | National Philanthropic Trust | Vatican Observatory Foundation Tucson, AZ | A | $110,000 | paid | PUBLIC, SOCIETAL BENEFIT | 202431429349301368 |
| 2023 | Fred a Lennon Charitable Trust | Vatican Observatory Foundation Tucson, AZ | D | $60,000 | paid | GENERAL SUPPORT | 202433209349106103 |
| 2023 | Jesuit Community of the Vatican Observ | Vatican Observatory Foundation Tucson, AZ | A | $30,000 | paid | To provide assistance for astronomical research. | 202423039349301382 |
| 2023 | The Thomas Lord Charitable Ta | Vatican Observatory Foundation Tucson, AZ | D | $25,000 | paid | GENERAL SUPPORT | 202441169349102014 |
| 2023 | Fidelity Investments Charitable Gift Fund | Vatican Observatory Foundation a Nonprofit Corpora Tucson, AZ | A | $13,250 | paid | For grant recipient's exempt purposes | 202441369349301334 |
| 2023 | Arline & Thomas Bannan Foundation C/O Parker Milliken Clark O'hara | Vatican Observatory Foundation Tucson, AZ | D | $10,000 | paid | TO FURTHER CHARITABLE PURPOSES | 202431849349100123 |
| 2023 | Natl Christian Charitable Fdn Inc | The Vatican Observatory Foundation Tucson, AR | A | $6,000 | paid | CULTURE | 202443169349306424 |
| 2023 | Klm Foundation | Vatican Observatory Foundation Tucson, AZ | D | $1,000 | paid | GENERAL | 202443129349100629 |
| 2023 | The Brian D Stevens Foundation | Vatican Observatory Foundation Tucson, AZ | D | $250 | paid | General Support | 202431369349105313 |
| 2023 | Amazonsmile Foundation | Vatican Observatory Foundation Tucson, AZ | D | $206 | paid | GENERAL SUPPORT | 202540919349100629 |
| 2023 | Donald J Voorhies Charitable Foundation | Vatican Observatory Foundation Tucson, AZ | D | $200 | paid | TO PROVIDE FINANCIAL SUPPORT | 202440399349100839 |
| 2022 | The Thomas Lord Charitable Ta | Vatican Observatory Foundation Tucson, AZ | D | $510,000 | paid | GENERAL SUPPORT | 202341029349102104 |
| 2022 | Fred a Lennon Charitable Trust | Vatican Observatory Foundation Tuscon, AZ | D | $50,000 | paid | GENERAL SUPPORT | 202303189349104035 |
| 2022 | John Templeton Foundation | Vatican Observatory Foundation Tucson, AZ | D | $14,265 | paid | BUILDING FAITH AND ASTRONOMY AWARENESS | 202333079349100543 |
| 2022 | Schwab Charitable Fund | Vatican Observatory Foundation a Nonprofit Corporation Tucson, AZ | A | $12,000 | paid | RELIGION RELATED | 202330939349300403 |
| 2022 | John Jay Hopkins Foundation | Vatican Observatory Foundation Tucson, AZ | D | $2,000 | paid | EDUCATION | 202321779349100127 |
| 2022 | Amazonsmile Foundation | Vatican Observatory Foundation Tucson, AZ | D | $270 | paid | GENERAL SUPPORT | 202313119349100141 |
| 2022 | Thomas Sidlik & Rebecca Boylan Foundation | Vatican Observatory Foundation Tucson, AZ | D | $150 | paid | GENERAL | 202322449349100407 |
| 2021 | The Thomas Lord Charitable Ta | Vatican Observatory Foundation Tucson, AZ | D | $75,000 | paid | GENERAL SUPPORT | 202211119349100716 |
| 2021 | Schwab Charitable Fund | Vatican Observatory Foundation a Nonprofit Corporation Tucson, AZ | A | $36,000 | paid | RELIGION RELATED | 202230499349301028 |
| 2020 | John Templeton Foundation | Vatican Observatory Foundation Tuscon, AZ | D | $128,385 | paid | BUILDING FAITH AND ASTRONOMY AWARENESS | 202143199349101504 |
| 2020 | Stephen & Mary Birch Foundation Inc | Vatican Observatory Foundation Tucson, AZ | D | $50,000 | paid | GENERAL OPERATING SUPPORT | 202113139349100141 |
| 2020 | Fred a Lennon Charitable Trust | Vatican Observatory Foundation Tuscon, AZ | D | $50,000 | paid | GENERAL SUPPORT | 202113199349105376 |
| 2020 | Jesuit Community of the Vatican Observ | Vatican Observatory Foundation Tucson, AZ | A | $50,000 | paid | To provide assistance for astronomical research. | 202142469349301004 |
| 2020 | The Thomas Lord Charitable Ta | Vatican Observatory Foundation Tucson, AZ | D | $25,000 | paid | GENERAL SUPPORT | 202121169349100802 |
| 2020 | Schwab Charitable Fund | Vatican Observatory Foundation a Nonprofit Corporation Tucson, AZ | A | $18,500 | paid | RELIGION RELATED | 202140489349301804 |
| 2020 | John Templeton Foundation | Vatican Observatory Foundation Tuscon, AZ | D | $14,265 | approved, future | BUILDING FAITH AND ASTRONOMY AWARENESS | 202143199349101504 |
| 2020 | Fidelity Investments Charitable Gift Fund | Vatican Observatory Foundation a Nonprofit Corpora Tucson, AZ | A | $5,900 | paid | For grant recipient's exempt purposes | 202121359349300427 |
| 2020 | Ibm International Foundation | Vatican Observatory Foundation Tucson, AZ | D | $1,250 | paid | EMPLOYEE MATCHING GRANT | 202133199349108338 |
| 2020 | Amazonsmile Foundation | Vatican Observatory Foundation Tucson, AZ | D | $389 | paid | GENERAL SUPPORT | 202113199349100901 |
| 2020 | Conferencedirect Foundation | Vatican Observatory Foundation Tucson, AZ | D | $100 | paid | CHARITABLE | 202122569349100772 |
| 2019 | Fidelity Investments Charitable Gift Fund | Vatican Observatory Foundation a Nonprofit Corpora Tucson, AZ | A | $7,360 | paid | For grant recipient's exempt purposes | 202041789349301474 |
| 2018 | Thomas Lord Charitable Trust | Vatican Observatory Foundation Tucson, AZ | D | $25,000 | paid | GENERAL SUPPORT | 201921279349101657 |