Ancestory

The open archive — Estonia

Everywhere else on this journey the pattern has held: the records are public, but the usable data is locked up. Estonia turns that inside out. Its National Archives publishes its entire catalogue — 10,986,604 archival descriptions — into the public domain (CC0), and puts the scanned records online free, with no login established [estoniaAIS] . So for once we did not have to OCR a book or route around a licence: we simply took the archive’s own catalogue and asked it what a genuinely open national archive holds.

The scale of it

The records break down across the state, historical, city and regional archives:

ERA is the state archive of 20th-century government; EAA, the Historical Archives in Tartu, is the genealogist’s treasury — the church books, manor records and revision lists of the Baltic provinces; TLA is Tallinn’s city archive, the rest are the regional record offices.

The genealogical records

Filtering the catalogue to the record types that trace people, by title:

Tens of thousands of volumes: parish registers of births, marriages and deaths, and the revision lists — the periodic censuses of taxable “souls” that are the backbone of Baltic and Russian-Empire genealogy. (These are catalogue titles matched by keyword, so the categories overlap and the counts are approximate.)

How far back it reaches

The century of each record, where a date is given:

The mass is modern — the 20th century alone is over seven million records established [estoniaAIS] — but the depth is real: more than 1,175,549 records predate 1900, reaching back through the 1700s and 1600s to a scatter of documents from the 1500s. That is four centuries of named people, open to anyone.

Where the barrier moved

This is the honest heart of it. In the anglophone world the wall is permission — the parish register is public but its index belongs to Ancestry. In Estonia that wall is simply gone; even the catalogue is CC0. And yet the records are not yet data. These eleven million titles point to images of handwriting — in German, Estonian and Russian, in the hands of three centuries of parish clerks — and the names inside them are not indexed established [estoniaAIS] . The barrier has moved from licensing to transcription.

And Estonia is crossing it: the National Archives’ other open datasets are not records at all but handwriting-recognition training data — hundreds of thousands of transcribed lines, taught to a machine so it can one day read the rest. The frontier of open genealogy is no longer a paywall. It is learning to read the hand. This is where the arc runs out of clean data — and where the next decade of the work begins.

Stage 7 of 8 · The transatlantic arc

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