Margaret Dorrian has now been missing from her home in Celbridge for three days.
The 53 year old was last seen on Tuesday.
She is described as being 5'6'' in height, of slight build with red hair and green eyes.
When last seen, Margaret was wearing a mustard coloured jacket, blue jeans and tan boots.
Anyone with information is asked to contact Leixlip Garda Station on 01 6667800.