Which in turn was a natural continuation of the naming of her sister ship, the Titans being fellow deities to the Olympians.
The Olympic in turn likely got her name inspired by the Olympic games that were held in London in 1908, the same period as the ships were being planned.
The noval was was not 14 years before Titanic was even thought of.There was a novel published in 1898, fourteen (14) years before the ill fated vessel was even dreamt of. Its title; "Utility." Its author, Morgan Robinson. The author called his ship "The Titan." The story had so may similarities to the Titanic. You can watch the episode of "One Step Beyond, called "Night Of April 14th." that mentions this book and tells a true story of several premonitions that took place before the Titanic took off on its fatal voyage. It is episode two (2) of season one (1). I think you can watch it for free if you have Amazon Prime.
Indeed there is:The story was called Futility, not Utility. It was republished in 1912 and the details of the ship were altered to make her bigger than Titanic. There must be more on this site