We attempt to derive the leading spin dependent gravitational tail memory,
which appears at the second post-Minkowskian(2PM) order and behaves as $u^{-2}$
for large retarded time $u$. This result follows from classical soft graviton
theorem at order $\omega\ln\omega$ as a low frequency expansion of
gravitational waveform with frequency $\omega$. First we conjectured the result
from the classical limit of quantum soft graviton theorem up to sub-subleading
order in soft expansion and then we attempt to derive it for a classical
scattering process without any reference to soft graviton theorem. In the
direct derivation, we found some extra contribution in addition to the
conjectured result, which we expect to go away but could not able to show it.