Cognomen Isard (Isard 
) , throughout the world, is a rare family name. The family name Isard is habitual in France, where it is a rare surname, the United Kingdom, and Australia. Measured by absolute frequency, it is commonest in France, the United Kingdom, and the United States. Likewise, Isard is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Isard | United Kingdom, United States, Afghanistan, India, France |
| walter isard American economist, US (b. 1919) |
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| john david isard (born 1951) (b. 1951) |
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| philippe isard French crime writer, FR (b. 1953) |
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| stephane isard (b. 1963) |
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| jean isard Peerage person ID=516944 |
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| isard dunietz particle physicist at Fermilab |
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| david isard (died 1980) |
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| michael isard |
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