Cas- baby names and what they mean, with 17 results. Adoption of these boy names was at its most widespread in the year 1990 (ADOPTION OF 0.2%) and has remained as widespread to this day (ADOPTION 0.2%, UP 0.1%), but with names like Casimir becoming less in vogue. The trendier names for newborns here are Case (#506), Cash (#276), Cason (#550), Caspian (#801) and Cassius (#596), while Caskey (TOP 4%) and Casto (3%) are familiar Cas- last names. Here is the list of Cas- names for girls.

Casar - Caswell

Casar
Var. of Caesar. Origin fr. Latin word. "Head of hair." Camar is a somewhat common kid's name. See also Caspar.

Case¹▲
Root fr. French language. "Box." Common as surname. Compare Case (TOP 1%) with common last names Crease (TOP 62%), Pase (34%), which also end with -ase. See also Chas.

Casey¹▼, var. Case²▲
Source fr. Irish, Gaelic language. "Alert, watchful." Casey is more familiar than the rest, though Case is now more regularly used, while Casey is now less popular.

Casey²▼
Var. of Kacey. Variant of Casey or a creation .. Casey is in the Top 2000. Cross-gender use.

Cash¹▲, var. Casshe
Short form of Cassius (Latin) "vain" .. Adoption of Cash and Casshe as baby names in 2018 was up 3.4% compared to 10 years ago.

Casimir▼, var. Casmir, Casimiro, Casmire, Casimeer
Origin fr. Slavic element. "Famous destroyer (of peace)." Casimeer and variants are rarely found as first names.

Cason▲
Var. of Carson. Source fr. Scottish, Old English elements. "Son of the marsh-dwellers." Also used for girls. Adoption of Cason as a boys' name in 2018 was 26.4% more than 10 years ago.

Caspar, var. Cass¹, Casper¹
From Persian word. "Treasurer." Casper was among 2018's Top names.

Casper²
Var. of Gaspard. Stems fr. French, Persian languages. "Treasurer." Uncommon, with usage of 0.007% for Casper as a birth name in 2018, higher than 0.007% a year ago. See also Caster.

Caspian▲
.. the Caspian Sea is the largest .. Rare. Caspian is not listed in the US Demographics.

Cassander, var. Cassandero, Casandro, Casander
From Spanish, Greek words. "Brother of heroes." Casander and variants are not in the Top 2000.

Cassian
Derived fr. Latin language. .. Name of several early saints. Cassian is rarely used as a masculine name. See also Caspian.

Cassidy, var. Cassidey, Cassedy, Cassady, Cass²
Source fr. Irish, Welsh, Gaelic languages. "Curly-headed; ingenious, clever." Cassidy is in the Top 2000.

Cassiel
The archangel who watches over Capricorns. Cassel (UPPER 5%), Cassil (86%) are popular surnames.

Cassius▲, var. Cassio, Cass³, Cash²▲
Based on Latin. .. An old Roman family clan name. Usage of Cassius and variants as baby names in 2018 was 21.8% more than 10 years ago.

Castor, var. Castorio, Caster
Origin fr. Greek language. "Beaver." Caltor and Cascor are creative variations.

Caswell
Form of Carswell. From Old English element. "Well where the watercress grows." Caswell is commonplace as a boys' name compared to other forms.