Du'a for marriage

اللَّهُمَّ إِنِّي أُرِيدُ أَنْ أَتَزَوَّجَ فَقَدِّرْ لِي مِنَ النِّسَاءِ أَعَفَّهُنَّ فَرْجاً وَأَحْفَظَهُنَّ لِي فِي نَفْسِهَا وَأَوْسَعَهُنَّ لِي رِزْقاً وَأَعْظَمَهُنَّ لِي بَرَكَةً فِي نَفْسِي وَمَالِي فَقَدِّرْ لِي مِنْهَا وَلَداً طَيِّباً تَجْعَلُهُ خَلَفاً صَالِحاً فِي حَيَاتِي وَبَعْدَ مَوْتِي

Allahumma inni uridu an atazawwaja faqaddir li minan-nisa'i a'affahunna farjan wa ahfadhahunna li fi nafsiha wa awsa'ahunna li rizqan wa a'dhamahunna li barakatan fi nafsi wa mali faqaddir li minha waladan tayyiban taj'aluhu khalafan salihan fi hayati wa ba'da mawti

O Allah, I wish to get married, so decree for me from among women the most chaste, the most protective of herself and my property, the most expansive in provision for me, and the greatest in blessing for me in myself and my property. And decree for me from her good offspring whom You make a righteous successor in my life and after my death.

A general supplication, not a narration from the Prophet (peace be upon him).