Bright, clear, or famous
Klaryssa is a modern spelling variant of Clarissa, which is a Latinate derivative of the name Clara. It carries the connotation of intellectual clarity and radiant light, popularized historically by the Order of Saint Clare.
Less common today
Klaryssa isn't in the latest US Top 1000. It last peaked at #6,607 in 1995.
US births per 5-year period, 1990βpresent (SSA data).
The titular protagonist of Virginia Woolf's novel Β· Mrs. Dalloway
The main character of the 1990s television series Β· Clarissa Explains It All