My Gram had collections of these happy little blue birds.  I remember them scattered on linens and dishes and tea cups.  The motif became popular in 1934 when this song was played in homes across the country.  The lyrics reminded people to look on the brighter side, stay positive and to find peace in the knowledge that happiness was on the horizon.  This must have been a welcome message for a country still struggling with the remnants of the Great Depression.  The little birds make me smile.  I recently found the lot of bluebird linens and they are for sale in our Etsy shop.  Our own collection of bluebirds reminds me of my great-grandmother and how life must have been for her when she was my age.  Some days we all need a reminder of how lucky we are.