Family name origins & meanings
- Portuguese and Galician : habitational name from any of the numerous places in Portugal named Sousa. The place name is of pre-Roman origin.
- John Philip Sousa (1854–1932), the American composer, was born in Washington, DC, the son of a U.S. Marine Corps bandmaster. His father was born in Spain, the son of a Portuguese refugee, and had emigrated to America in the 1840s.