New Hampshire police are searching for a missing woman who was last seen walking her dog in a neighboring state.

Authorities found Sinead Lyons’ car near Ossipee Lake in New Hampshire Monday, 100 miles from Lowell, Massachusetts, where the 41-year-old was last seen walking her German shepherd March 11, according to a report on Fox News.

“My big sister Sinead and her German Shepard [sic] dog Flossie are still missing,” Lyons’ sister Sandra Lyons wrote in a social media post Friday, according to People magazine.

“We ask you to keep looking, keep checking your land, to pray. Please help find them. If you have any information please contact New Hampshire State Police. Thank you all for continuing to spread the word. We will find them!”