Yet all this, which would else have been such heavy sorrow, was made almost a solemn joy to her devout old soul, by religious consolations and the truths of Scripture, wherewith she had fed herself continually for more than thirty years.
Not improbably this circumstance wrought a very material change in the public estimation; and had the mother and child remained here, little Pearl at a marriageable period of life might have mingled her wild blood with the lineage of the devoutest Puritan among them all.
There are no more uses of "devout" in the book.
Show samples from other sources
How can they devoutly believe everything they hear in church and then say the things they do and listen to the things they hear without throwing up?
Harper Lee -- Go Set a Watchman
Yetta knew it wouldn’t be long before devout Jews—her father, Rahel’s husband—would begin the havdalah prayers, dividing the sacredness of the Sabbath from ordinary, everyday life.