The name Saniah, assigned exclusively to females, is etymologically traced to the Arabic saniyyah (سنية), denoting “radiance” or “resplendence,” and is rendered in English as suh-NY-uh (/səˈnaɪə/). Its introduction into the US Social Security Administration’s top-1000 list occurred in 1999 with seven recorded births (rank 884), after which it experienced a pronounced ascendancy: by 2004–2008 annual occurrences peaked between 124 and 148, corresponding to ranks 819–843. A gradual realignment followed, such that from 2010 through the early 2020s Saniah oscillated within ranks 835–946 and annual counts most often fell below 35—most recently 14 births at rank 936 in 2024—signifying its establishment as a niche yet enduring choice. Onomastic analysis attributes this sustained, moderate-level popularity to a combination of phonetic clarity within an Anglo-American context and the name’s semantically rich, cross-cultural heritage. Associations of luminosity, distinction and individual expression continue to underpin Saniah’s appeal among parents seeking a technically robust yet stylistically refined appellation.