We have always eaten together in the dining room as a family.  These days things have changed somewhat, whereas we always had breakfast all together we now all get up at different times.  Our daughter is now away at university and our son prefers to be up and get ready for college by himself.  If David is at home then he and I eat breakfast together later, and at weekends we try to have a peaceful breakfast on our own before the chaos which is Christopher descends.   In the evenings even if it is just Christopher and I, we still eat in the dining room.  
Although Elizabeth is at university she and her housemates cook and eat together and they use their dining table so something has stuck.

For a long time we used to eat at the kitchen table because the dining room table was always cluttered with my craft stuff
but the only New Year's Resolution I have ever made was to clear craft stuff away each evening so that we could eat dinner in the dining room.  That was about three years ago and surprisingly I have stuck to it.

Dawn