Abu Wahb, a Companion, reported that the Prophet ﷺ said, "Name yourselves with the names of the Prophets. The names which Allah Almighty loves most are 'Abdullah and 'Abdu'r-Rahman. The most truthful names are Harith and Humam. The ugliest names are Harb and Murra."

عَنِ النَّبِيِّ ﷺ قَالَ تَسَمَّوْا بِأَسْمَاءِ الأَنْبِيَاءِ وَأَحَبُّ الأسْمَاءِ إِلَى اللهِ عَزَّ وَجَلَّ عَبْدُ اللهِ وَعَبْدُ الرَّحْمَنِ وَأَصْدَقُهَا حَارِثٌ وَهَمَّامٌ وَأَقْبَحُهَا حَرْبٌ وَمُرَّةُ

Jabir said, "A man had a child and named him al-Qasim. We said, 'We will not give you the kunya Abu'l-Qasim nor will we so honour you. The Prophet ﷺ was told and said, 'Call your son 'Abdu'r-Rahman.'"

عَنْ جَابِرٍ قَالَ وُلِدَ لِرَجُلٍ مِنَّا غُلاَمٌ فَسَمَّاهُ الْقَاسِمَ فَقُلْنَا لاَ نُكَنِّيكَ أَبَا الْقَاسِمِ وَلاَ كَرَامَةَ فَأُخْبِرَ النَّبِيُّ ﷺ فَقَالَ سَمِّ ابْنَكَ عَبْدَ الرَّحْمَنِ