- John W. Moon
- Louis John (Dutch) Betty
Death - 15 May 1959 (46 year anniversary) - Carleton, , Nebraska - Fred-Willie Ockerse
- James Murphy
- Cyrus Elmo Johnson
Birth - 15 May 1907 (98 year anniversary) - Grace, Caribou, ID - Walter Cloutier
- Ambrose W. Duffield
- Ole Olsen
Birth - 15 May 1824 (181 year anniversary) - Udsholt, Blistrup, Frederiksborg, Denmark - Johann Carsten Schulze
- Daniel Pettibone
- Daniel Pettibone
- Jonathan Pettibone
- Samuel Weatherbee
Birth - 15 May 1726 (279 year anniversary) - Milton, , Mass - Thomas Crossman, Twin
- Samuel Avery
- Elkanah Leonard
Birth - 15 May 1677 (328 year anniversary) - of Middleboro - John Cole
- Joseph Butterworth
- Richard Tilden
Death - 15 May 1566 (439 year anniversary) - Tenterden, Kent, England - Duke Henry Beaufort
Death - 15 May 1464 (541 year anniversary) - , Hexham, NORTHUMBERLAND, England - Walter de Lacy
- Aubrey Ii de Vere
Death - 15 May 1141 (864 year anniversary) - , London, Middlesex, England - Charles Ii "The Bald" Holy Roman Empir
Birth - 15 May 823 (1182 year anniversary) - Frankfurt Am Main, Hessen-Nassau, Prussia
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