Cognomen Tarjanne (Tarjanne 
) , worldwide, is a rare family name. The cognomen Tarjanne is characteristic of Finland, where it is quite a rare surname, Hungary, and New Zealand, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Tarjanne | Hungary, South Africa, Finland, New Zealand, United States |
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onni tarjanne Finnish architect and professor, FI (b. 1864) |
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jukka tarjanne FI (b. 1866) |
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pekka tarjanne Finnish politician (1937-2010), FI (b. 1937) |
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| toivo tarjanne Finnish judge (1893-1988), FI (b. 1893) |
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| päivö tarjanne Finnish diplomat (1903-1989), FI (b. 1903) |
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iina tarjanne FI |
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| satu tarjanne researcher |
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| petra tarjanne FI |
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