Modern creation, possibly related to Nyasia or Asia
Nyasiah is a contemporary American name likely formed by blending the prefix 'Ny-' with the name Asia or its variant Nyasia. While it lacks a singular ancient etymology, it is often associated with the Swahili word 'nia', meaning purpose, or the Greek name Asia, referring to the sunrise or the continent.
Fewer than 5 girls were named Nyasiah in 2025.
US births per 5-year period, 1990–present (SSA data).