Surname Keesom (Keesom 
) , all over the world, is a rare family name. The surname Keesom is habitual in Netherlands, where it is a rare surname, New Zealand, where it is a very rare surname, and Spain. Measured by absolute frequency, it is the most numerous in Netherlands, the United States, and Spain.
| VARIANT | COUNTRY |
|---|---|
| Keesom | Spain, New Zealand, United Kingdom, United States, Netherlands |
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willem hendrik keesom Dutch physicist, NL (b. 1876) |
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| p. h. keesom American physicist, NL (b. 1917) |
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| sarah m keesom researcher |
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Ben, Peter, David, Dinja, Geert, Jakob, Johan, No'Am, Netta, Elles, Helma, Ferry, Ineke, Wilco, W P M, Marije, Milena, Carola, Pieter, Roland, Dorien, Josita, Chris, Adina, Andre, Sacha, Jan, Jos, Ton, Wil, Wim, Mart, Mike, Chia, Coen, Kaat, Jeroen, Kees, Jeff, Theo, Noam, Erik, Emma, Emmy, Hein, Irma, Marij, Sarah, Paul, and Herman