The following records shall be kept by the probate court:
For each record required by this section, an index shall be maintained. Each index shall be kept current with the entries in the record and shall refer to the entries alphabetically by the names of the persons as they were originally entered, indexing the page of the record where the entry is made. On the order of the probate judge, blankbooks, other record forms, or other record-keeping materials approved by the judge for the records and indexes shall be furnished by the board of county commissioners at the expense of the county.
R.C. §2101.12