[1] Theresa Griffin was born in Coventry, Warwickshire, as the fourth child of Irish immigrant parents.

[8] She was re-elected at the 2019 European Parliament election,[9] serving until Britain formally exited the EU on 31st January 2020.

[12] In 2014 Griffin called on the UK Government to correctly allocate EU funding to the North West region.

[13] She supported Carbon Capture and Storage (CCS) technology as part of climate change mitigation.

[16][17][18] Griffin said that the final report would have been "highly regressive and would have had an extremely negative impact on the ETS without benefiting industry in the long run.

[21] In 2015 Griffin called for more EU funding to global health research to aid the eradication of tuberculosis, HIV/AIDS and malaria.

In October 2014, she was appointed the S&D Shadow Rapporteur for an Opinion on the ITRE Committee about greenhouse gas emission trading.