Long spear or pike
A sarissa was a long spear or pike, approximately 13 to 20 feet in length, used in ancient Greek and Macedonian phalanx warfare. As a given name, it is a modern coinage likely inspired by this historical weapon or as a variation of names like Sarah or Marissa.
Less common today
Sarissa isn't in the latest US Top 1000. It last peaked at #10,482 in 2005.
A character and magic-user in the fantasy setting Β· Forgotten Realms
US births per 5-year period, 1990βpresent (SSA data).