She is accused of hitting another woman leaving a cut above her right eye.
Cortland Police arrested Alyssa Gross, 24, of Cortland, a little after midnight Monday.
Gross is charged with Criminal Trespass and Assault.
Officers say she unlawfully entered a Main Street home and struck a 38-year old woman causing that cut.
Gross is to be arraigned in city court Monday, according to police.
On Saturday evening, Cortland Police arrested Samantha Luyando, 21, of Cortland, for Criminal Mischief and Harassment.
Officers report that Luyando got into an argument with a 53- year old woman on Reynolds Avenue.
Luyando is accused of breaking a chair and beating the woman with the leg of the chair.
Luyando was released until her next court appearance.