| 1 | ONION, WILLIAM S. MR.PYLESVILLE, MD · 21132 | RETIRED · RETIRED | RAND PAUL FOR US SENATEC00496075 | 2025-12-31 | $550 | Primary 2028 (P2028) | SEE REDESIGNATIONFiling 1935713FEC filing ↗ |
| 2 | ONION, WILLIAM S. MR.PYLESVILLE, MD · 21132 | RETIRED · RETIRED | RAND PAUL FOR US SENATEC00496075 | 2025-12-31 | $550Memo only · not additional money | General 2028 (G2028) | REDESIGNATION FROM PRIMARYFiling 1935713FEC filing ↗ |
| 3 | MARTELLO, MARY B.PYLESVILLE, MD · 21132 | DOCTOR · STATE OF MARYLAND | ANDY HARRIS FOR CONGRESSC00435974 | 2025-08-28 | $500 | Primary 2026 (P2026) | Filing 1920508FEC filing ↗ |
| 4 | MARTELLO, MARY B.PYLESVILLE, MD · 21132 | PHYSICIAN · TUHC | ANDY HARRIS FOR CONGRESSC00435974 | 2025-03-15 | $500 | Primary 2026 (P2026) | Filing 1886629FEC filing ↗ |
| 5 | ONION, WILLIAM S. MR.PYLESVILLE, MD · 21132 | RETIRED · RETIRED | RAND PAUL FOR US SENATEC00496075 | 2025-10-27 | $450 | Primary 2028 (P2028) | SEE REDESIGNATIONFiling 1935713FEC filing ↗ |
| 6 | ONION, WILLIAM S. MR.PYLESVILLE, MD · 21132 | RETIRED · RETIRED | RAND PAUL FOR US SENATEC00496075 | 2025-11-25 | $450Memo only · not additional money | General 2028 (G2028) | REDESIGNATION FROM PRIMARYFiling 1935713FEC filing ↗ |
| 7 | ONION, WILLIAM S. MR.PYLESVILLE, MD · 21132 | RETIRED · RETIRED | RAND PAUL FOR US SENATEC00496075 | 2025-07-17 | $450 | Primary 2028 (P2028) | Filing 1920448FEC filing ↗ |
| 8 | ONION, WILLIAM S. MR.PYLESVILLE, MD · 21132 | RETIRED · RETIRED | RAND PAUL FOR US SENATEC00496075 | 2025-08-04 | $425 | Primary 2028 (P2028) | Filing 1920448FEC filing ↗ |
| 9 | ONION, WILLIAMPYLESVILLE, MD · 21132 | RETIRED · RETIRED | CONSERVATIVE LEADERSHIP POLITICAL ACTION COMMITTEEC00010363 | 2025-08-18 | $425 | Primary (P) | Filing 1934946FEC filing ↗ |
| 10 | ONION, WILLIAM S. MR.PYLESVILLE, MD · 21132 | RETIRED · NONE | JOSH HAWLEY VICTORY COMMITTEEC00779223 | 2026-03-24 | $375 | Primary (P) | Filing 1963039FEC filing ↗ |
| 11 | ONION, WILLIAM S. MR.PYLESVILLE, MD · 21132 | RETIRED · RETIRED | PATRIOTS FOR PERRYC00510164 | 2025-11-20 | $350 | Primary 2026 (P2026) | Filing 1941391FEC filing ↗ |
| 12 | ONION, WILLIAM S. MR.PYLESVILLE, MD · 21132 | RETIRED · RETIRED | PATRIOTS FOR PERRYC00510164 | 2025-12-22 | $350 | Primary 2026 (P2026) | Filing 1941391FEC filing ↗ |
| 13 | ONION, WILLIAM SPYLESVILLE, MD · 21132 | RETIRED · NONE | SPECIAL OPERATIONS FOR AMERICAC00523241 | 2026-03-03 | $300 | Primary (P) | Filing 1970132FEC filing ↗ |
| 14 | ONION, WILLIAM S. MR.PYLESVILLE, MD · 21132 | RETIRED · NONE | MADISON PROJECT INC.C00298000 | 2026-03-09 | $300 | Primary (P) | Filing 1965325FEC filing ↗ |
| 15 | ONION, WILLIAM S MR.PYLESVILLE, MD · 21132 | RETIRED · RETIRED | COMER FOR CONGRESSC00588764 | 2026-03-12 | $300 | Primary 2026 (P2026) | Filing 1965545FEC filing ↗ |
| 16 | ONION, WILLIAM SPYLESVILLE, MD · 21132 | RETIRED · RETIRED | MCCORMICK VICTORY FUNDC00828202 | 2025-06-06 | $300 | Primary (P) | Filing 1901820FEC filing ↗ |
| 17 | ONION, WILLIAM SPYLESVILLE, MD · 21132 | RETIRED · RETIRED | COMMON SENSE FOR AMERICA PACC00634774 | 2025-03-03 | $300 | Primary (P) | Filing 1886204FEC filing ↗ |
| 18 | ONION, WILLIAM S MR.PYLESVILLE, MD · 21132 | RETIRED · RETIRED | COMER FOR CONGRESSC00588764 | 2025-04-03 | $300 | Primary 2026 (P2026) | Filing 1901770FEC filing ↗ |
| 19 | ONION, WILLIAM SPYLESVILLE, MD · 21132 | RETIRED · RETIRED | COMMON SENSE FOR AMERICA PACC00634774 | 2025-04-08 | $300 | Primary (P) | Filing 1901842FEC filing ↗ |
| 20 | ONION, WILLIAM S MR.PYLESVILLE, MD · 21132 | RETIRED · RETIRED | COMER FOR CONGRESSC00588764 | 2025-05-15 | $300 | Primary 2026 (P2026) | Filing 1901770FEC filing ↗ |