How do you spell "not married"?
In accordance with generally accepted rulesmodern Russian language the phrase "not married" is written separately. The rule says: the negation particle "not" is written separately from words that do not change their form and are used in the sentence as a predicate. For example: do not be sorry, do not, not married. The use of "unmarried" is always accompanied by a separate writing of the particle and the adverb "married". That is, in the appropriate summary column and other documents, it is also necessary to write the negation particle "not" and the adverb "married" separately.