# William O'Brien

> Irish politician and trade unionist (1881–1968)

**Wikidata**: [Q1577118](https://www.wikidata.org/wiki/Q1577118)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/William_O'Brien_(trade_unionist))  
**Source**: https://4ort.xyz/entity/william-o-brien-q1577118


## References

1. [Source](https://www.oireachtas.ie/en/members/member/William-O'Brien.D.1922-09-09)
2. general catalog of BnF
3. Virtual International Authority File
4. Dictionary of Irish Biography
5. Google Knowledge Graph
6. IdRef