The 47 year old went missing from her home on Gratton Street, Youghal on this day in 2017.
Tina is described as being 5 foot 7, of medium build, with blonde shoulder length hair and blue eyes.
Gardaí are looking to speak with anyone with any information about Tina's whereabouts or her movements on the day she went missing.
The investigating team say they will welcome any new information, no matter how insignificant it may seem and say all information will be treated in the strictest confidence.
Midleton Gardaí can be contacted on 021 462 1550, while the number for the Garda Confidential Line is 1800 666 111.
