# John Casey

> Irish geometer (1820–1891)

**Wikidata**: [Q1699566](https://www.wikidata.org/wiki/Q1699566)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_Casey_(mathematician))  
**Source**: https://4ort.xyz/entity/john-casey-q1699566-2


## References

1. MacTutor History of Mathematics archive
2. Integrated Authority File
3. BnF authorities
4. Czech National Authority Database
5. [Source](https://www.dctrust.ie/genealogy/search.html?firstname=John&lastname=Casey&address=&dod=1891&optionsDOD=0&g-recaptcha-response=&cmspage=1)
6. International Standard Name Identifier
7. Virtual International Authority File
8. SNAC
9. Dictionary of Irish Biography
10. Catalogo of the National Library of India