A federal jury has awarded $49.5 million to the family of a 24-year-old global nonprofit worker killed in the 2019 crash of a Boeing 737 Max jet in Ethiopia while traveling to her first major assignment.

The verdict, reached Wednesday after a trial in federal court in Chicago, resolves one of the last remaining wrongful death lawsuits filed in connection with the disaster that killed all 157 people aboard Ethiopian Airlines Flight 302.

Samya Stumo, who grew up in Sheffield, Massachusetts, had recently joined a nonprofit focused on strengthening health systems in developing countries.…