O'Toole was briefly appointed to the State Senate in 2001, where he served for eight months before redistricting forced him into a different legislative district.

He was briefly appointed as the club's caretaker manager in 2010.

He was briefly appointed assistant manager at Stockport County in 2013.

He was briefly appointed coach of Swedish national team.

He was briefly appointed Kōfu jōdai from September to December 1867.

He was briefly appointed Attorney-General in 1927, during the last months of the Lang government.

He was then briefly appointed to the Union before taking command of the frigate Volontaire.

Whilst with Barnet in 2004 he was briefly appointed caretaker manager.

He was briefly appointed duke of Bavaria, which had been held by his elder brother Henry.

On 3 February 1831 he was briefly appointed governor.