Family name Routhier (Routhier 
) , in all the world, is quite a rare cognomen. The family name Routhier is habitual in Canada, where it is quite a rare surname, New Zealand, and France, where it is a rare surname. In absolute terms, it is the most numerous in Canada, the United States, and France.
| VARIANT | COUNTRY |
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| Routhier | Canada, France, New Zealand, Germany, United States |
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félix routhier Canadian politician, CA (b. 1827) |
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adolphe-basile routhier Canadian judge, author, lyricist (1839-1920), CA (b. 1839) |
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| michel-ferdinand routhier French lawyer, FR (b. 1798) |
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| henry routhier American politician, US (b. 1850) |
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| alphonse routhier Canadian train station master, CA (b. 1875) |
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| henri routhier Roman Catholic archbishop, CA (b. 1900) |
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| pierre routhier French geologist, FR (b. 1916) |
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| françois routhier specialist in political and legal philosophy and professor at Laval University, CA (b. 1930) |
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| ludovic routhier Canadian politician, CA (b. 1931) |
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| günter routhier DE (b. 1928) |
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| françoise routhier French politician, FR (b. 1953) |
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| gilles routhier theologian and university professor, CA (b. 1953) |
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| gabriel routhier Canadian artist, CA (b. 1956) |
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| philippe routhier French politician, FR (b. 1959) |
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| pascal routhier French politician, FR (b. 1961) |
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