Hi Phil
1850 census, The Village of Williamsburg, County of Kings, New York.
Henry Major, age 27, Engraver, born England (Could this be John H?)
Flora, age 20 , born Canada
Jeanette, age 1, born New York
Sarah Major, age 42, born England (age is out but very possible)
Napoleon Sarony, age 28, born Canada (indexed as Sawrey)
Ellen, age 20, born England
Ida, age 2, born New York
Otto, age 7 months, born New York
Margaret Sarony, age 20, born Ireland
Charlotte Swanton, age 28, born England
James, age 4, born New York
Irene, age 1, born New York
No sign of Emma ......sorry
Best wishes
Yvonne