You can search for Diversity candidates on LinkedIn using first names, pronouns, organizations, education (including Alumni search), group memberships, associations, employers (for veterans), and other ways.
X-Raying on Google can complement your sourcing process.
Search for ethnic names with accented characters
As an example, you can Google for Hispanic/Latino names such as María, Lucía, Mía, Sofía, Áxel, Bastián, Sebastián, Benjamín, Nicolás, Tomás, Julián, Jerónimo, Ángel, Álvaro, Álex, and Máximo.
Note that names with accented characters may include multiple countries and languages; spelling variants of Maria include Mária (Hungarian, Slovakian), María