Can we know if someone is married in uk

We would like to inform you that the legal section at Jawabkom website is specialized in providing online legal consultations and don't have any relation with any entity whether it is governmental or non-governmental.
For your question, it could be hard to know that as there is no reference related to that. Being married can be defined by chance, the one who has legal capacity as wife, she can review the British Embassy and inquire about that.