Surname Идельсон (Idelson 
, Idelsohn 
, Идельсон 
) , all around the world, is a rare cognomen. The last name Идельсон is characteristic of Israel, where it is a rare surname, Belarus, and Argentina. In absolute terms, the name is most common in the United States, Argentina, and Russia. More frequently, Идельсон is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Idelson | Peru, Cabo Verde, Mozambique, Brazil, United States |
| Idelsohn | Brazil, United States, Argentina, Spain |
| Идельсон | Kazakhstan, Russia, Belarus |
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идельсон, авраам LT (b. 1865) |
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идельсон, авраам цви Jewish ethnologist, musicologist and composer, LV (b. 1882) |
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идельсон, раиса вениаминовна Artist and poetess. At various times she was the wife and muse of two Russian painters - Robert Falk and Alexander Labas, BY (b. 1894) |
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| герман вигдорович идельсон LT (b. 1869) |
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| идельсон, наум ильич Russian astronomer, RU (b. 1885) |
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| биньямин идельсон architect (1911-1972), IL (b. 1911) |
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