The given name Kacen is a relatively modern name with no clear historical roots or linguistic origins. It appears to be a creative spelling variation of the name Caden or Kaden, which are believed to be derived from the Irish surname Cadan or the Gaelic name Cadán, meaning "battle" or "warrior."

While the exact origin of the specific spelling "Kacen" is uncertain, it likely emerged in the late 20th or early 21st century as a unique twist on the traditional Caden/Kaden names. There are no known historical records or ancient texts that reference this particular spelling.

As a modern name, there are few notable historical figures who bore the name Kacen. However, here are five individuals with this first name who have gained some recognition in recent times:

1. Kacen Callender, an American author and editor known for young adult fiction novels like "Hurricane Child" and "Felix Ever After."

2. Kacen Walker, an American singer-songwriter and musician who has released several albums and EPs since the early 2010s.

3. Kacen Bayless, a former American football defensive back who played for the Jacksonville Jaguars in the National Football League (NFL) in the early 2000s.

4. Kacen Gilbert, an Australian model and social media influencer who has worked with various fashion and lifestyle brands.

5. Kacen Bartlett, a Canadian ice hockey player who has competed in various junior and minor league tournaments.

It's worth noting that while these individuals may have achieved some level of recognition, the name Kacen remains relatively uncommon and does not have a significant historical legacy or widespread cultural significance.