Les patronymes suivants sont originaires de la commune de <b>La Chaux (Cossonay)</b> (a = bourgeoisie avant 1800; b = bourgeoisie au 19e siècle; c = bourgeoisie au 20e siècle) :<BR><BR><table><tr><th align="left">Nom</th><th align="left">Bourgeoisie acquise</th><th align="left">Ancien lieu d'origine</th></tr><tr class="even"><td align="left"><b>Bubloz</b></td><td align="left">a</td><td align="left"></td></tr>
<tr><td align="left"><b>Burger</b></td><td align="left">1934</td><td align="left">(F)</td></tr>
<tr class="even"><td align="left"><b>Chamot</b></td><td align="left">a</td><td align="left"></td></tr>
<tr><td align="left"><b>Clément</b></td><td align="left">b</td><td align="left"></td></tr>
<tr class="even"><td align="left"><b>Duboux</b></td><td align="left">b</td><td align="left"></td></tr>
<tr><td align="left"><b>Gays</b></td><td align="left">1927</td><td align="left">(I)</td></tr>
<tr class="even"><td align="left"><b>Guex</b></td><td align="left">a</td><td align="left"></td></tr>
<tr><td align="left"><b>Humbert</b></td><td align="left">a</td><td align="left"></td></tr>
<tr class="even"><td align="left"><b>Renaud</b></td><td align="left">a</td><td align="left"></td></tr>
<tr><td align="left"><b>Rosset</b></td><td align="left">a</td><td align="left"></td></tr>
<tr class="even"><td align="left"><b>Rossy</b></td><td align="left">1819</td><td align="left">(I)</td></tr>
<tr><td align="left"><b>Voland</b></td><td align="left">a</td><td align="left"></td></tr>
<tr class="even"><td align="left"><b>Wuichet</b></td><td align="left">a</td><td align="left"></td></tr>
</table>