Acts 16:15

“And when she was baptized, etc.] In water, in the name of the Father, Son, and Holy Ghost, according to the commission of Christ, by the apostle, or some one of his companions; by whom she was instructed into the nature and use of this ordinance; and very likely it was performed in that river, by the side of which the oratory stood, where they were assembled: and her household; they were baptized also, being converted at the same time; these seem to be her menial servants, who came along with her from her native place upon business, and who attended on her; accordingly the Ethiopic version renders it, “and she was baptized with all her men”; and these were believers, and are called “the…”

“And when . . . baptized . . . and her household--probably without much delay. The mention of baptism here for the first time in connection with the labors of Paul, while it was doubtless performed on all his former converts, indicates a special importance in this first European baptism. Here also is the first mention of a Christian household. Whether it included children, also in that case baptized, is not explicitly stated; but the presumption, as in other cases of household baptism, is that it did. Yet the question of infant baptism must be determined on other grounds; and such incidental allusions form only part of the historical materials for ascertaining the practice of the Church. she…”

“And when she was baptized - Apparently without any delay. Compare Acts 2:41; Acts 8:38. It was usual to be baptized immediately on believing. And her household - Greek: her house ὁ οἶκος ἀυτῆς ho oikos autēs, her family. No mention is made of their having believed, and the case is one that affords a strong presumptive proof that this was an instance of household or infant baptism. Because: (1) Her believing is particularly mentioned. (2) It is not intimated that they believed. (3) It is manifestly implied that they were baptized because she believed. It was the offering of her family to the Lord. It is just such an account as would now be given of a household or family that were…”

“She was baptized and her family - Who can believe that in so many families there was no infant? Or that the Jews, who were so long accustomed to circumcise their children, would not now devote them to God by baptism? She entreated us - The souls of the faithful cleave to those by whom they were gained to God. She constrained us - By her importunity. They did not immediately comply, lest any should imagine they sought their own profit by coining into Macedonia. Acts 16:17”

“when: Act 16:33, Act 8:12, Act 8:38, Act 11:14, Act 18:8; Co1 1:13-16 If: Eph 1:1; Phi 1:7; Plm 1:17; Pe1 5:12; Jo3 1:5 come: Gen 18:4, Gen 18:5; Jdg 19:19, Jdg 19:20; Mat 10:41; Luk 9:4, Luk 9:5, Luk 10:5-7; Rom 16:23; Gal 6:10; Heb 13:2; Jo2 1:10; Jo3 1:8 And she: Gen 19:3, Gen 33:11; Jdg 19:21; Sa1 28:23; Kg2 4:8; Luk 14:23, Luk 24:29; Co2 5:14, Co2 12:11; Heb 13:2 Acts 16:16”