Allyson McConnell, who was convicted of drowning her two children in Canada, has been found dead on the NSW central coast.

A member of the public reported seeing a body lying on rocks underneath Brian McGowan Bridge on Brisbane Water Drive at West Gosford, police said.

Allyson McConnell on her return to Sydney Credit:Nick Moir

The death is not believed to be suspicious.

A full post-mortem examination will be conducted and a report will be prepared for the Coroner.