There was a death of one child reported on the manifest for the ship Bulgaria arriving in Halifax on 5 June 1899. The name appears to be Maria Huston, appearing on the passenger recapitulation as having died on 26 May of "affliction of the lungs."
On the family's manifest page, the name appears to be Marja Hunton, an infant less that 1 year. She was accompanied by presumed parents Zurko and Eudokia Hunton. They were nationals of the Austrian Empire and bound for Winnipeg.
No name close to Fedorow on the manifest.