How did Gladstone get its name?

"Gladstone Pereira della Valentina"

The Gladstone cyclone of 1949 did not have a name. The naming of cyclones in the Australia region did not start until the 1960s.

Usually Jim or Jimmy is short for James

Tunis

"your name is" is correct English and when used in this way means both your full name or a part of your name (usually surname, depending on the context). "your names are" is also correct English, but...