However evidence at the trial had "overwhelmingly" shown Cleary to be in a relationship with the man.
"The objective evidence was, in my view, clear that you were living under the same roof and you were living in a relationship in the nature of marriage."
Aggravating features were the extended period of time over which the offending occurred, and its premeditated nature, Judge Hobbs said.
"The social welfare system relies very much on the honesty of those who benefit from that system and, in this case, you failed in your obligations in that regard."
In handing down a sentence, Judge Hobbs said he took into account that she had already lost her job as a chef as a result of her obligations to attend court.
He imposed a seven-day curfew between 11pm to 7am, but did not make a reparation order as Cleary had already made arrangements to pay back Work and Income.