“Since it's Christmas, let's be glad
Even if your life's been bad,
There are presents to be had.”

Source: Little Women (1868), Ch. 1 : Playing Pilgrims, First lines
Context: "Christmas won't be Christmas without any presents," grumbled Jo, lying on the rug.
"It's so dreadful to be poor!" sighed Meg, looking down at her old dress.
"I don't think it's fair for some girls to have plenty of pretty things, and other girls nothing at all," added little Amy, with an injured sniff.
"We've got Father and Mother, and each other," said Beth contentedly from her corner.
The four young faces on which the firelight shone brightened at the cheerful words, but darkened again as Jo said sadly, "We haven't got Father, and shall not have him for a long time." She didn't say "perhaps never," but each silently added it, thinking of Father far away, where the fighting was.

Whoops! It's Christmas (1959)

Variant: Leo had recently discovered how to change the display, like the Times Square JumboTron, so now the banner read: Merry Christmas! All your presents belong to Leo!
Source: The Demigod Diaries

Source: Madame Bovary

On being born Christmas day, in The Rod Serling bio page on the Internet Movie DataBase.
Other

Source: Hunter/Victim (1988), Chapter 40 (p. 185)

Source: The Darkest Night

Source: Entwined with You