our father gave his name to Moses only, he is our father so we do not call our father by his name, we recognize God by many acronyms he. our father, holy grace etc these titles are how God wants us to recognise him by his spirit. He gave his prophets and deciples name besides there personal name,God does not have a Personal name for us as such, but when asked how we will know the true God, he said"I am what I am. If you would like to read more on this subject, please google boroean Picket under heading, "Does God have a Personal name".