Eve Kilgariff, 23, preyed on him at a flat in Glasgow’s Ibrox between April and June 2022.
Glasgow Sheriff Court was told that the pair were watching a film when Kilgariff struck.
Kilgariff kissed the boy and repeatedly touched his thigh before having intercourse.
Prosecutor Jessica McGowan told jurors in her closing speech: “She said in a police interview that she found him to look older than she thought he was.
“She thought about and wanted to have sex with him.
“She did not recall if she had sex with him.
“The boy did not make it up – he had vivid memories that it happened.”
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The teenager stated that he did not disclose to his parents after the incident had taken place.
The fiscal depute told the trial: “This is understandable at that age that he did not tell other adults that he was kissing and having sex with her.”
Kilgariff was found guilty by the jury of engaging in sexual activity with an older child.
She was remanded in custody pending background reports by Sheriff Joan Kerr who also put her on the sex offenders register in the meantime.
