# Denis O'Sullivan

> American singer and actor (1868–1908)

**Wikidata**: [Q21557659](https://www.wikidata.org/wiki/Q21557659)  
**Source**: https://4ort.xyz/entity/denis-o-sullivan-q21557659


## References

1. Grove Music Online
2. Integrated Authority File
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. [Source](http://www.npg.org.uk/collections/search/person/mp97445)
5. Library of Congress Control Number