Sorry, but Israel (as the mother) was only mentioned in one commentary and that was about "Israel- the true Jewish church" meaning that it was of both Jews and Gentiles. Any mention of Mary was rapidly dismissed as "unreasonable." Yet all 10 of these commentators were solid on the word "mother" as representing "the church" and that of true believers.
..."And a great portent appeared in heaven, a woman clothed with the sun, with the moon under her feet, and on her head a crown of twelve stars; Rev 12:1
Ellicott's Commentary for English Readers
It is the picture of the bride, the Church.
Benson Commentary
“St. John resumes his subject from the beginning, and represents the church (Revelation 12:1-2) as a woman, and a mother bearing children unto Christ.
Matthew Henry's Concise Commentary
12:1-6 The church, under the emblem of a woman, the mother of believers, was seen by the apostle in vision, in heaven. She was clothed with the sun, justified, sanctified, and shining by union with Christ, the Sun of Righteousness.
Barnes' Notes on the Bible
The woman, beyond all question, represents the church.
Jamieson-Fausset-Brown Bible Commentary
1. This episode (Re 12:1-15:8) describes in detail the persecution of Israel and the elect Church by the beast, which had been summarily noticed....As new Jerusalem (called also "the woman," or "wife," Re 21:2, 9-12), with its twelve gates, is the exalted and transfigured Church, so the woman with the twelve stars is the Church militant. Revelation 12:1,2 A woman clothed with the sun travaileth,
Gill's Exposition of the Entire Bible
...and the church apostolical is here called "a woman", because the church was not now in its infancy,
Geneva Study Bible
Of which two the beginning of the Church is described in this chapter, and the progress of it in the chapter following.
Meyer's NT Commentary
Whether and in what way the Church is to be understood by the woman, cannot be inferred until the close of the entire vision,[3022] since the particular points of the text condition the meaning of the whole. The emblematic description (περιβεβλημένη
δώδεκα) represents the woman who is just about bearing, Revelation 12:2, in a heavenly brilliancy reminding us of the manifestation of Christ[3023] and of God.[3024]
Pulpit Commentary
The woman, the Church, though on earth, is nevertheless, by virtue of her union with Christ, in heaven." A woman. The woman is undoubtedly the Church of God;
Vincent's Word Studies
The symbol is usually taken to represent the Church.