The San Francisco Police Department is hoping that someone's seen Ellen Kernaghan, an 86-year-old woman who may have been missing for as long as for ten days.

Kernaghan, who lives alone, was last seen on October 17. She was reported missing on October 23.

She's white, is about 5"1', and weighs about 110 lbs. She has white hair and grey eyes.

Kernaghan has no immediately family in the area, but is known to frequent San Francisco’s Potrero Hill neighborhood, SFPD spokesperson Officer Albie Esparza says. It's possible that she suffers from dementia.

If you spot Kernaghan, please call 911 or (415) 553-0123, or text a tip to TIP411 with “SFPD” at the beginning of the message.