The girls are aged 14 and 15 years old.
Gardaí are appealing for help in tracing the whereabouts of two teenage sisters missing from Carlow.
Helen and Melissa Mc Donnell, aged 15 and 14 are missing from Killeshin Road since early Sunday morning.
15 year old Helen is 5ft 1' in height and of slight build. She has brown hair and blue eyes.
14 year old Melissa is of slim build and 5ft '1 in height. She has brown hair and green eyes.
It's not know what they were wearing when they left home.
Gardaí are concerned for their safety and anyone with information is asked to contact them.
Helen McDonnell, aged 15 years.