Rentz
A surname likely formed from a short Germanic or Dutch-style personal name, or from a place-based spelling built on a name root like Rentz.
The #8,373 most common surname in the United States (2010 Census) — about 1 in every 78,084 Americans shares it.
Etymology
Rentz is most plausibly a Germanic surname built from a short personal name or nickname form ending in -z, a common spelling in German-speaking areas. In some cases, surnames of this shape can also reflect a clipped or altered form of a place-name or an older name root related to Renz/Rentz. Because the spelling is relatively brief and regionally variable, the exact source is not certain without family-specific evidence.
History
The surname is found in German-speaking Europe and later in North American records, where many such names were carried by immigrant families. The final -z spelling often reflects regional pronunciation or later spelling normalization rather than a separate original name. As with many short surnames, different families named Rentz may not share one single origin.
Origin
Regions
Variant spellings
Fun fact
Short surnames like Rentz are often deceptively hard to trace, because a one-syllable modern spelling may hide several older local forms.