I'm the only person in the UK with my sequence of names, they told me so when I was getting my covid jab and didn't have my NHS number on me so they had to find

I'm the only person in the UK with my sequence of names, they told me so when I was getting my covid jab and didn't have my NHS number on me so they had to find me by name and match to my photo ID. French immigrant mother so French first name and middle name, and then an uncommon British (Welsh I think, dad's parents didn't learn English until they got to secondary school) second name.