If you are telling me I am wrong..and you have authority to know about this subject..I will go back and double check
It is my understanding that there had to be a legal marriage to get UK citizenship if born on US soil under the 1948 act.
Is your understanding different?
Note Part III
http://www.uniset.ca/naty/BNA1948.htm
But it will take me looking over that and some other things which I no longer have the capacity for tonight.
Is your understanding different?