I came across a Blumenthal family on the 1851 Whitechapel/Miles End Newtown census , believing that they were my family. I hope this will help someone.
4, George Street, Stepney. Jonas Bloomingthal, 38 yrs, Hairbrush Dresser,b. Germany BS Sarah Bloomingthal , wife, 32 yrs , b. Suffolk. Moses Bloomingthal , 8 yrs, Scholar, b. Whitechapel. Clara Bloomingthal , 6 yrs, Scholar, b. Whitechapel. Barnett Bloomingthal, 1 mo. b. Mile End New town.
I have a copy of Barnett's birth certificate after seeing an entry in the Great London Synagogue records. His mother's maiden name was Miles or Niles. Maureen G.