Police this afternoon named the baby girl who plunged to her death from an upstairs window of a house in Delamere Street, Marshfields, Bradford.
She was Amrita Kaur, who was aged 22 months.
The tot died in the fall on Tuesday morning.
Her 36-year-old mother, who also fell from the window, remains in a critical condition in hospital.
She has been arrested on suspicion of murdering her daughter.