Neither my Mum or my brother's children have kept it on, no baby Tommy Thomas's since the 1920's., but I have snuck it into Ross' name and my neice has a son Thomas with her married surname. I always fancied Tamsin as the Cornish derivative for a girl but it didn't happen.
Uncle Fred was married to a lovely lady Auntie Elsie who was like a Gran to me, lived up the road, always had time for me and I think she had been a teacher (she was from Northumberland originally, not that that would denote her being a teacher!) and taught me lots of things. You can see a great picture of her here.