Oh, dude, Nathaniel totally "died" in the Bartimaeus Trilogy. But like, he kind of didn't really die-die, you know? It's all like magic and djinn stuff, so it's not your typical RIP situation. So, technically, yeah, he "died," but also not really. It's all just a wild magical ride, man.
Nathaniel Spence died in 1914.
Nathaniel Allison Murray died in 1959.
Nathaniel Alexander - bishop - died in 1840.
Nathaniel Fillmore died on 1863-03-28.
Nathaniel Gottfried Leske died in 1786.
*SPOILER ALERT* *SPOILER ALERT* *SPOILER ALERT* SCROLL DOWN He sacrifices himself to save Bart and kill Nouda
Nathaniel Creswick died in 1917.
Nathaniel Lichfield died in 2009.
Nathaniel Dawes died in 1910.
Nathaniel Hazard died in 1820.
Nathaniel Culverwell died in 1651.
Nathaniel Wanley died in 1680.
Nathaniel Lardner died in 1768.
Nathaniel Colver died in 1870.
Nathaniel Colgan died in 1919.
Nathaniel Lloyd died in 1745.
Nathaniel Cotton died in 1788.