The last death at the Hoover Dam construction site was his son, Patrick Tierney, who died on December 20th, 1935, exactly 13 years to the day.
Viimane surmasaanu Hooveri tammi ehituskohal oli ta poeg, Patrick Tierney, kes suri 20. detsembril 1 935, täpselt 1 3 aasta eest.