My mother sang all the time. Even walking down the street (to our embarrassment). Little snatches of song that seemed to fit the occasion.
Put your shoes on Lucy - that must have been in 1949 because I remember the garden I played barefoot in.
If I were a Blackbird.
Here we come a Wassailing.

Then we'd sing round the piano from a book of children's hymns (the green one with a picture of a baby playing the piano on the front, or the little hard-cover one with angels on).

And at the Christmas dinner table we'd go round and sing a song about the name of each family member. Hers was either
I'll take you home again Kathleen, or K K K Katy.
And for Auntie Vera - The great big saw (came nearer and nearer poor Vera).