I think there are 3 more girls, but Charles is a boot finisher on first baptism with a different address to the other 2 which are both Derby Building as 1881 census
London, England, Births and Baptisms, 1813-1906
Name: Blanche Sophia Coan
Record Type: Baptism
Baptism Date: 4 Jun 1876
Father's Name: Charles Coan
Mother's Name: Henrietta Coan
Parish or Poor Law Union: Woolwich St Mary Magdalene
Borough: Greenwich
Register Type: Parish Registers
Name: Ellen Alice Coan
Record Type: Baptism
Baptism Date: 24 Apr 1887
Father's Name: Charles Coan
Mother's Name: Henrietta Coan
Parish or Poor Law Union: Gray´s Inn Road St Jude
Borough: Camden
Register Type: Parish Registers
Name: Ella Louise Coan
Record Type: Baptism
Baptism Date: 2 Apr 1893
Father's Name: Charles Coan
Mother's Name: Henrietta Coan
Parish or Poor Law Union: Gray´s Inn Road St Jude
Borough: Camden
Register Type: Parish Registers
1881
RG12 piece 125 folio 82 page 24
Son Percy C also
COAN Percy Pancras London 1889 Jan-Feb-Mar