It is narrated from Hazrat Samurah (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: Every boy is held in pledge for his 'aqiqah, so sacrifice should be offered for him on the seventh day, his name should be given on that day, and his head should be shaved.
Hadith Referenceمسند احمد / أول مسند البصريين / 20083
Hadith Gradingحکم دارالسلام:إسناده صحيح، قد صرح الحسن بسماعه لهذا الحديث من سمرة، خ: تحت: 5472