Quite possibly. But, only Christ knows for certain the folks given to Him by the Father.
This gives rise to two additional questions:
1) does that mean you don't subscribe to the doctrine of eternal security? I repented of my sins and made a decision to follow Christ in 1997 when invited to do so by a pastor at an evangelistic event in Washington D.C., and have sincerely followed Christ since then. If I was saved then, and if it's impossible to lose that salvation, I don't see why I should be worried merely by having changed ecclesiastical addresses.
2) How can one be saved and remain in a church from which one should, in your words, "escape?"