Search by jurisdiction: none
Soft matching: no
Signing dates: no sandwiching, year is required
Transcribing: not allowed
Nicknames and middle names cannot be used to match first name. Mike Smith ≠ Michael Smith and John Michael Smith ≠ Michael Smith in New Hampshire.
Double initials and abbreviated names like Wm are deficient. J Henry Smith and John H Smith are good, but J H Smith is -n0.
Address must match domicile. Mailing address doesn't matter. If domicile is blank, it is -a0.