It is the second time you pretend John 10:26 says that. It doesn't.
8 All others, as many as have come, are thieves and robbers: and the sheep heard them not. 9 I am the door. By me, if any man enter in, he shall be saved: and he shall go in, and go out, and shall find pastures. 10 The thief cometh not, but for to steal, and to kill, and to destroy. I am come that they may have life, and may have it more abundantly. 11 I am the good shepherd. The good shepherd giveth his life for his sheep. 12 But the hireling, and he that is not the shepherd, whose own the sheep are not, seeth the wolf coming, and leaveth the sheep, and flieth: and the wolf catcheth, and scattereth the sheep: 13 And the hireling flieth, because he is a hireling: and he hath no care for the sheep. 14 I am the good shepherd; and I know mine, and mine know me. [...]19 A dissension rose again among the Jews for these words. 20 And many of them said: He hath a devil, and is mad: why hear you him?
21 Others said: These are not the words of one that hath a devil: Can a devil open the eyes of the blind? [...]
24 The Jews therefore came round about him, and said to him: How long dost thou hold our souls in suspense? If thou be the Christ, tell us plainly. 25 Jesus answered them: I speak to you, and you believe not: the works that I do in the name of my Father, they give testimony of me.
26 But you do not believe, because you are not of my sheep. 27 My sheep hear my voice: and I know them, and they follow me.
The parable is that some sheep are caught by wolves because of bad shepherds, but Christ is a good shepherd. He knows his sheep and his sheep know him. The case in point He offers is the miracles He worked: to "His sheep" they are proof of His divine sonship, to others they are not, and they ask him to tell them "plainly". Nothing here says that the elect were first named; the parable is an illustration of the people sorting themselves out and responding in two different ways.
"But you do not believe, because you are not of my sheep." -- John 10:26
This verse comports with Christ's words in John 6...
And he said, Therefore said I unto you, that no man can come unto me, except it were given unto him of my Father." -- John 6:64-65"But there are some of you that believe not. For Jesus knew from the beginning who they were that believed not, and who should betray him.
You have men electing themselves which is straight out of Pelagius' playbook. Christ contradicts that error by telling us no man comes to Christ except those whom the Father first has ordained to eternal life.
Faith is the result of God's good and gracious work, and not men's, regardless of how much Rome desires to claim it for itself.