Our help is in the name of Jehovah. David here extends to the state of the Church in all ages that which the faithful had already experienced. As I interpret the verse, he not only gives thanks to God for one benefit, but affirms that the Church cannot continue safe except in so far as she is protected by the hand of God. His object is to animate the children of God with the assured hope, that their life is in perfect safety under the divine guardianship. The contrast between the help of God, and other resources in which the world vainly confides, as we have seen in Psalm 20:7, "Some trust in chariots, and some in horses, but we will remember the name of the Lord our God," is to be noticed, that the faithful, purged from all false confidence, may betake themselves exclusively to his succor, and depending upon it, may fearlessly despise whatever Satan and the world may plot against them. The name of God is nothing else than God himself; yet it tacitly conveys a significant idea, implying that as he has disclosed to us his grace by his word, we have ready access to him, so that in seeking him we need not go to a distance, or follow long circuitous paths. Nor is it without cause that the Psalmist again honors God with the title of Creator. We know with what disquietude our minds are agitated till they have raised the power of God to its appropriate elevation, that, the whole world being put under, it alone may be pre-eminent; which cannot be the case unless we are persuaded that all things are subject to his will. He did not show once and in a moment his power in the creation of the world and then withdraw it, but he continually demonstrates it in the government of the world. Moreover, although all men freely and loudly confess that God is the Creator of heaven and of earth, so that even the most wicked are ashamed to withhold from him the honor of this title, yet no sooner does any terror present itself to us than we are convicted of unbelief in hardly setting any value whatever upon the help which he has to bestow.

Our help is in the name of the Lord - In the Lord; in the great Yahweh. See Psalm 121:2.
Who made heaven and earth - The great Creator; the true God. Our deliverances have led us up to him. They are such as can be ascribed to him alone. They could not have come from ourselves; from our fellow-men; from angels; from any or all created beings. Often in life, when delivered from danger, we may feel this; we always may feel this, and should feel this, when we think of the redemption of our souls. That is a work which we of ourselves could never have performed; which could not have been done for us by our fellow-men; which no angel could have accomplished; which all creation combined could not have worked out; which could have been effected by no one but by him who "made heaven and earth;" by him who created all things. See Colossians 1:13-17.

Our help is in the name of the Lord - בשום מימרא דיי beshum meywra depai, Chaldee, "In the name of the Word of the Lord." So in the second verse, "Unless the Word of the Lord had been our Helper:" the substantial Word; not a word spoken, or a prophecy delivered, but the person who was afterwards termed Ὁ Λογος του Θεου, the Word of God. This deliverance of the Jews appears to me the most natural interpretation of this Psalm: and probably Mordecai was the author.

Our help is in the name of the Lord,.... This is the conclusion the church draws from the scene of Providence in her favour; this is the instruction she learns from hence, that her help is in the Lord only, and not in any creature; and that it is right to put her trust and confidence in the Lord for it, and only to expect it from him whose name is in himself; and is a strong tower to flee unto for safety, Proverbs 18:10. The Targum is,
"in the name of the Word of the Lord;''
in the Messiah; in whom the name of the Lord is, his nature and perfections; and in whom help is found, being laid upon him, Exodus 23:21;
who made heaven and earth; and therefore must be able to help his people, and to do more for them than they are able to ask or think: for what is it he cannot do that made the heavens and the earth, and all that is in them? see Psalm 121:1.

(Compare Psalm 121:2).
name--in the usual sense (Psalm 5:11; Psalm 20:1). He thus places over against the great danger the omnipotent God, and drowns, as it were in an anthem, the wickedness of the whole world and of hell, just as a great fire consumes a little drop of water [LUTHER].