María Merced González González was born in the town of Maney, municipality of Huichapan, in the State of Hidalgo, Mexico. She studied public accounting and a specialization in administration and development of companies and businesses.[2]
In the 2018 federal elections, she was a substitute for Angélica García Arrieta, first-round candidate for senator for the state of Hidalgo on behalf of the Movimiento Regeneración Nacional (Morena) party, holding office for the LXIV legislature of the Congress. After the death of Angélica García Arrieta, María Merced González González took over the seat on 2 January 2019.[3] In the Senate, she is secretary of the mining and regional development commission.[2]