Meaning of "everlasting name" in Isa 56:5?
What does "an everlasting name" signify in Isaiah 56:5?

Setting of the Promise

Isaiah 56 opens a door of hope to “foreigners” and “eunuchs”—people once excluded from full participation in temple worship. Verse 5 records God’s pledge:

“I will give them, in My house and within My walls, a memorial and a name better than that of sons and daughters; I will give them an everlasting name that will not be cut off.”


Who Receives the Everlasting Name?

• Foreigners who “join themselves to the LORD” (v. 3, 6)

• Eunuchs who “choose what pleases Me and hold fast My covenant” (v. 4)

• By extension, anyone from any background who trusts the Lord and embraces His covenant mercy (cf. Acts 10:34-35; Galatians 3:28-29)


What “Name” Means in Scripture

• Identity – A name reveals who a person is (Genesis 17:5; Matthew 1:21)

• Status and honor – A new name marks promotion or acceptance (Genesis 41:45; Revelation 2:17)

• Relationship – To bear God’s name is to belong to Him (Numbers 6:27; Revelation 3:12)

Therefore, “an everlasting name” speaks of a perpetual, God-given identity and honor that places these once-excluded believers among His very own household.


Why Call It Everlasting?

• Permanence: Unlike earthly titles that fade, this name “will not be cut off” (Isaiah 56:5).

• Covenant security: It rests on God’s unchanging promise, not on physical lineage or personal achievement (Isaiah 55:3; Hebrews 13:20-21).

• Eternal life: The name endures beyond death, pointing to participation in the everlasting kingdom (John 10:28; 1 Peter 1:4).


Better Than “Sons and Daughters”

• Cultural reversal: Eunuchs lacked physical offspring; foreigners lacked land inheritance. God compensates with something higher—eternal recognition in “My house and within My walls.”

• Spiritual adoption: “To all who did receive Him…He gave the right to become children of God” (John 1:12).

• Shared heritage: Gentile believers become “fellow citizens with the saints” (Ephesians 2:19).


Echoes in the Rest of Scripture

Isaiah 62:2 – “You will be called by a new name that the mouth of the LORD will bestow.”

Isaiah 65:15 – God’s servants receive “another name.”

Revelation 2:17; 3:12 – Overcomers receive “a new name written” that only God’s people know.

Philippians 4:3 – Believers’ names “are in the Book of Life,” an everlasting registry.


Implications for Believers Today

• Full acceptance: No past, disability, or ethnicity can bar entry when one clings to Christ.

• Lasting legacy: Even the childless leave a memorial “in My house” through faithful devotion.

• Secure identity: The world’s labels may shift, but God’s bestowed name endures.

• Motivation for holiness: Those who bear the Lord’s eternal name are called to “keep justice and do righteousness” (Isaiah 56:1).

The “everlasting name” in Isaiah 56:5 is God’s irrevocable pledge of eternal honor, family belonging, and covenant security granted to all who come to Him—proof that His grace reaches farther and lasts longer than any human barrier.

How does Isaiah 56:5 emphasize God's promise to the faithful?
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