# John O'Hart

> Irish genealogist

**Wikidata**: [Q6250911](https://www.wikidata.org/wiki/Q6250911)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_O'Hart)  
**Source**: https://4ort.xyz/entity/john-o-hart


## References

1. International Standard Name Identifier
2. Faceted Application of Subject Terminology
3. SNAC
4. Dictionary of Irish Biography
5. Virtual International Authority File