Fiona McColl has been writing excellent posts on family estrangement and the holidays on her blog E-stranged. I am linking the posts below by dates and subject titles so that these posts can be found easily in the future since what she writes will remain true for future holidays as well as the current one.
December 17, 2010 Theme of the Week: Christmas
December 18, 2010 – Holiday State of Mind . . .
December 19, 2010 The Etiquette of Christmas Estrangement
December 20, 2010 Estranged at Christmas? Love the One You're With.