Detectives have charged 41-year-old Sarah Higgins from Castleford with manslaughter in connection with the death of the 10-month-old at a house in Huddersfield in 2017.
Skyla Gillar was found unresponsive at the house in the Skelmanthorpe area of the town on August 24 of that year.
Skyla was taken to hospital but sadly died two days later on August 26.
A West Yorkshire Police spokeswoman said today (Monday): "Sarah Higgins, aged 41, from Castleford, has been charged with the manslaughter of Skyla Giller.
"She will appear at Kirklees Magistrates Court, Huddersfield on 12 April 2019."