It is of at least mild interest to certain commentators to note which names of God are used
by the writers of various Old Testament books. For example, it is a notable feature
of the book of Ecclesiastes that the personal name by which God makes himself
known to Israel is never used there. Given the content of Ecclesiastes, this authorial
choice makes perfect sense.
Can we deduce anything equally significant from the names of God used in the book of
Jonah? You be the judge.