Seriously, there had been no indication either way. Quotes by and about lord voldemort (tom marvolo riddle) from harry potter and the philosopher’s stone hagrid to harry:
Specifically, the death of his mother.
Why does tom riddle call himself voldemort. From the begining, if you follow voldemort's timeline, you will find that he liked to entice fear in people. “call him immortal dove lord, harry. (lord voldemort) is known to have had contempt for his father tom riddle sr.
Moreover the ministry of magic itself call him voldemort so it seems likely he changed his name officialy. Actually, it's explained that he never knew he'd made harry into a horcrux, because he didn't kill harry. It was around this time that riddle gave himself the alias lord voldemort, to spare himself of the reminder of his filthy muggle father.  using his middle name, marvolo, which was taken from his maternal grandfather, riddle discovered his mother's heritage and the gaunts' bloodline connection with salazar slytherin.
Dumbledore always addressed voldemort himself by his given name, tom riddle and, incidentally, so does harry. So, harry and voldemort are living together happily for a couple days, and voldemort realizes that harry doesn’t know a lot about himself and had a terrible childhood. It is a symbolic way of showing that he came from a loveless union—but of course, everything would have changed if merope had survived and raised him herself and loved him.
Combined with the mastery of the deathly hallows harry had garnered, this caused voldemort's final killing curse to rebound upon himself. I believe riddle tom chose the name voldemort because it was the perfect name. Tom riddle’s childhood was defined by death:
Why did tom riddle call himself voldemort ? Because voldemort is barely even a character whereas rowling actually tried with tom to make him a properly developed character by providing him a believable background. Why does it say tom riddle died in 1943?
In reality, harry made for eight pieces of soul, seven of them separate from voldemort himself. One piece stayed with voldemort after all. How did tom riddle die and become voldemort?
The diffrence is that to the entire world he is voldemort not tom riddle. You never saw snape cast a patronus, did you, riddle?” deathly hallows, chapter 36: Tom jnr used this death to make marvolo gaunt’s ring a horcrux.
Lord is a title, given to, well. He call himself voldemort because tom riddle was his muggle father's name who he absolutely hates being a pure blood fanatic. Although they encounter each other face to face a few times from gof onward, harry never calls him voldemort to his face.
That’s why little harry potter got a worthy opponent in lord voldemort. “there’s not a single witch or […] But, why would harry call him riddle?
The name tom riddle was inspired by a real person, and the name voldemort has a significant meaning. Dunno if he had enough human left in him to die.” (ps4) hagrid to harry: It’s common, it’s ordinary, it’s the name of his bastard muggle father who abandoned his mother for being a witch and leaving him to grow up miserable in a muggle orphanage (in reality, tom riddle senior left merope because she used magic to date rape him for several months, but voldemort probably didn’t know the details).
Tom riddle was a handsome guy in his teenage how did his face became like that of a snake. It was around this time that tom marvolo riddle gave himself the alias lord voldemort, to spare himself of the reminder of his filthy muggle father.  using his middle name, marvolo , which was taken from his maternal grandfather, riddle discovered his mother's heritage and the gaunts' bloodline connection with salazar slytherin. In an attempt to seek out his maternal grandfather, tom tracked down his father one summer, during his hogwarts years, and murdered him and his family.
But its just easier to call him voldemort, because everybody knows that name. That’s how he came to be left at the orphanage. So, voldemort chose nagini as his sixth horcrux, thus (he thought) splitting his soul into seven;
Dumbledore himself says very few people knew his birth name. Why do people like tom riddle more than voldemort even if they are the same character? Tom riddle is a distant cousin to both dumbledore and harry potter as tom riddle was related to cadmus peverell one of the three brothers in the tale of three brothers.
And you never realized it, because of the thing you can’t understand. Fear of a name increases fear of the thing itself.” He had undergone seemed to me to be only explicable if his soul was mutilated beyond the realms of what we might call usual evil he has undergone some perticular type of dark magic when voldemort went to claim his place as dada teacher, he was in.
Because they are not the same. Voldemort made harry potter the chosen one, but it could have been another hogwarts student. “better hufflepuff than slytherin,” said hagrid darkly.
When he was at hogwarts, tom riddle was a gifted student , and he wanted to become the school's defense against the dark arts professor. So he changes his name. He was a dark lord.
He liked working alone and, most importantly, he hated his father as far as hatred could go. The flaw in the plan dumbledore used to call voldemort tom or riddle because voldemort was once dumbledore's student whose name was tom riddle at the time. I'm aware that voldemort named himself, as an anagram of tom riddle, so lord fits, however why do people still use this?
He cursed the defence the art position at hogwarts after being denied it. He is the most dangerous dark lord of all time! He died, as he had always feared, like any other mortal man.
Who abandoned his witch mother (merope gaunt) in spite of her being pregnant with the child. Always use the proper name for things. The blame was placed on morfin gaunt.
Beyond voldemort’s ability to create the horcruxes and the curses he placed on them for protection that speak to his evil expertise, what else ollivander called greatness also encompassed voldemort’s willingness to kill so many people, including a german woman and her children, in that instance while searching for mykew gregorovitch and the elder wand. “my mother can’t have been magic, or she wouldn’t have died,” said riddle, more to himself than dumbledore. Rowling also stated that voldemort's conception by influence of amortentia—a love potion administered by his mother, a witch named merope gaunt, to the muggle tom riddle—is related to his inability to understand love;
Listen to how he reacts to the news that he has magical abilities: