You have not mentioned the names of your relatives buried in Waller Co. nor where they died. This could help.
Many African American funerals in this area are handled by McWilliams Funeral Home "McWilliams Funeral Home was established by Alton and Gertrude McWilliams in Waller ... At McWilliams Funeral Home we offer you our reputation dating back to ...
www.mcwilliamsfuneralhome.com" copied from website.
Good luck.