This surname related to Clement is strongly associated with Major League pitcher Roger Clemens, winner of more Cy Young awards than any other pitcher in baseball history, and has a softer sound than Clement. Some variations are Clemen, Clementio, Clemention, and Clemons.

Christiansen is primarily a Scandinavian surname derived from 'Christian's son,' following the Nordic patronymic naming tradition. While traditionally a family name especially common in Denmark and Norway, it occasionally appears as a masculine given name, particularly in families honoring Scandinavian heritage. As a first name, Christiansen embodies both religious significance through its connection to 'Christian' and cultural ties to Nordic ancestry. Its usage as a given name remains relatively rare, making it distinctive for those who bear it. The name carries connotations of tradition, family legacy, and possibly religious devotion, reflecting its origins as a name indicating lineage from a forefather named Christian.

Modernized spelling not enough to revive Karen.