McGrath of Harlow (I have never come across the expression "the holy people" - as opposed to "the chosen people" as a term for the Jewish people.):

Deuteronomy 14:2 ... For you are a holy people to the LORD your God,

Deuteronomy 7:6 ... For you are a holy people to the LORD your God;

Isaiah 63:18 ... Your holy people possessed Your sanctuary for a little while, Our adversaries have trodden it down. ... Your holy people possessed the land for a little while. ...

Deuteronomy 28:9 ... "The LORD will establish you as a holy people to Himself,

Deuteronomy 26:19   and that thou mayest be an holy people unto the LORD thy God ...

Deuteronomy 14:21 "You shall not eat anything which dies of itself ...... You may give it to the alien who is in your town, so that he may eat it, or you may sell it to a foreigner, for you are a holy people to the LORD your God. ...

Leviticus 20:26 ... Be my holy people because I, the LORD, am holy.

Exodus 22:31... "You must be my holy people.