The word single can be used to denote relationship status. Perhaps 'single' was morphed to 'single parent' at some point down the line of communication.
MOO
That's a thought, that 'single person' inadvertantly become 'single parent'...
"The nurse has been working at COCH for approximately 8 years full time, she is a Cheshire resident, and a single parent.
But if 'person' rather than' parent' why then the note that follows it? Or would her status as a single person (under the shadow of such a serious accusation) somehow render her vulnerable?
AP — IH to provide personal details of the nurse, and to look at safeguarding referral as single parent."