which number president was polk
Sarah Childress Polk. Sarah Childress Polk was married to the 11th President of the United States, James Polk. She served as First Lady from 1845 to 1849. Silks and satins little Sarah took for granted, growing up on a plantation near Murfreesboro, Tennessee. Elder daughter of Captain Joel and Elizabeth Childress, she gained something rarer from her father's wealth.