IS A RESURRECTION POSSIBLE FOR SUICIDE?
YES - Golden Age 1930 17/9 p.825 "Questions and Answers" by Judge Rutherford
It is not conceivable that a sane person would kill himself. At least, he must be temporarily insane. An insane person is not responsible for his deeds, and therefore the Lord would not hold him responsible.
NOT IF YOU WERE BAPTISED - w54 5/1 pp. 285-286 Questions From Readers
So if anyone who has dedicated his life to Jehovah God sanely takes his life in suicide, or deliberately murders another person, it is doubtful that Jehovah would remember such a person in the resurrection.
However, in the case of a person that did not know Jehovah’s law and was not a dedicated servant of God it would be different. If he died a suicide or as a murderer he would certainly die guilty of grievous sin; but there are many other grievous sins, and for them repentance is possible.
WE DON'T KNOW - w59 7/15 p. 448 Questions From Readers
So nothing definite may be stated at the funeral in the way of a promise concerning the future life of the suicide.
YES - g90 9/8 p. 23 Suicides—A Resurrection?
Jehovah, having paid "a ransom in exchange for many," is within his right to extend mercy, even to some self-murderers, by resurrecting them and giving them the precious opportunity to "repent and turn to God by doing works that befit repentance."
Splash