Her last known communication was a phone call to a friend from a phone box in Moone where she mentioned her plan to catch a lift for the remaining journey.
Josephine Dullard's sister, Kathleen Bergin, has made an emotional appeal for information on her sister's murder ahead of the 29th anniversary of her disappearance.
Josephine, known to those close to her as Jo Jo, was a 21-year-old woman from Callan, Kilkenny.
She would now be 50 years old.
On the night of November 9, 1995, Jo Jo was hitchhiking home after missing a bus from Dublin to her hometown.
Her last known communication was a phone call to a friend from a phone box in Moone where she mentioned her plan to catch a lift for the remaining journey.
Shortly after, a woman matching her description was seen conversing with the occupants of a dark-colored Toyota Carina.
Moone, a small, close-knit village, was rocked by the disappearance.
Witnesses reported seeing Jo Jo leaning into the back door of the car, a detail that would become a central piece of the investigation.
Despite extensive searches and public appeals, no trace of Jo Jo or the car’s occupants was ever found.
A remembrance ceremony will take place in Kilkenny on Saturday afternoon.
Anyone with information is asked to contact the Garda confidential line on 1800 666111, the Missing Persons Helpline Ireland helpline on 1800 442552 or Help Bring Them Home on 1800 911999.