Sharon Dobbins served in the house from 2006 to 2008 after her husband Dewayne Dobbins left his seat.
House Speaker Robbie Wills tells Today's THV Dobbins died of pneumonia at Baptist Hospital in North Little Rock.
He says Dobbins went to the doctor Monday thinking she had a really bad cold.
Her doctor admitted her immediately.
She passed away this afternoon.
Dobbins was 44 years old.