# FamilySearch

**Type:** venture
**Status:** Draft
**Confidence:** Medium
**Focus:** genealogy, civilizational records, OCR, record linkage, population genetics, scientific infrastructure
**Stage:** Established institution; predecessor (Genealogical Society of Utah) founded 1894
**Location:** Salt Lake City, UT
**Updated:** 2026-05-09
**Needs-reviewed:** 2026-05-09
**Hero:** https://upload.wikimedia.org/wikipedia/commons/e/ec/Family_History_Library_-_Salt_Lake_City%2C_Utah_-_2_May_2020.jpg
**Hero caption:** *The FamilySearch Library in downtown Salt Lake City — photograph by Beneathtimp (Wikimedia Commons, CC0).*
**Pull:** *The largest genealogy organization in the world. Free, no account required, and quietly load-bearing for cancer research.*

## Summary

FamilySearch is a Salt Lake City–based nonprofit and the largest genealogy organization in the world. It is the genealogical arm of The Church of Jesus Christ of Latter-day Saints, with a public mission to digitize, preserve, index, and make freely accessible the genealogical records of all humanity. Public materials describe a collection of more than 2.4 million rolls of microfilmed records, more than 340,000 books, and over 20.5 billion searchable records and images online, with billions of new records added each year. The service is free and does not require a Latter-day Saint affiliation.

For the Great Work Utah wiki, FamilySearch is the clearest example of civilizational infrastructure operating quietly out of Utah at religious-institution scale.

## Impact

The counterfactual argument is unusually strong. Without the Genealogical Society of Utah's century-long, religiously-motivated project of global record digitization — predecessor to FamilySearch — the intergenerational population linkages that make the **Utah Population Database (UPDB)** uniquely powerful would not exist anywhere. UPDB is the specific instrument that enabled the Skolnick group at the University of Utah, working with Mary-Claire King, to identify *BRCA1* and *BRCA2*. UPDB has since contributed to identifying dozens of disease-associated genes and supports ongoing work in cancer genetics, cardiovascular research, and population epidemiology.

Beyond UPDB, FamilySearch's records underwrite historical research, computational social science, and the broader genealogy-tech industry. The annual RootsTech conference is the largest genealogy event in the world and shapes how Ancestry, MyHeritage, and consumer-genetics tree integrations get built.

## What They Are Building

FamilySearch is building enabling infrastructure at civilizational scale. Three of the hardest sub-problems are publicly visible:

1. **Handwriting recognition on historical documents** across two centuries and dozens of languages — one of the most challenging OCR problems in production.
2. **Record linkage at scale** — matching "John Smith b. 1820 Ohio" to "J. Smith, farmer, b. 1820s" across heterogeneous sources with bounded confidence.
3. **Privacy-preserving access** — making records useful for research while protecting living people, especially as AI makes record combination easier.

Public materials describe ongoing rollouts of AI-driven indexing, name and place normalization, and improved search. The organization runs a real, large engineering team in Utah that rarely comes up in tech-press circles.

## What They Need Now

Likely needs include software and machine-learning engineers who want to work on hard OCR, record linkage, and large-scale data infrastructure problems with mission rather than ad-revenue motives; archivists, historians, and linguists for record curation; privacy and policy specialists for the increasingly difficult question of how to expose historical records responsibly; and infrastructure engineers comfortable operating at the scale of billions of records. Employment does not require Church membership, but the culture is influenced by the religious sponsorship; readers should consider whether that context fits.

## Who Could Help

Useful helpers include privacy-and-data-ethics advisors, ML researchers with handwriting-recognition expertise, archives and museum specialists, technical hires from comparable nonprofit-infrastructure organizations (Wikimedia, Internet Archive, libraries), and academic collaborators in computational history and population genetics.

## Utah Context

FamilySearch is one of the institutions that gives Utah its surprisingly deep research profile. Together with the [SCI Institute](sci-institute.md), Ripple Neuro, and the cluster of life-science researchers at the University of Utah, it is part of why Utah punches well above its size in scientific infrastructure. The University of Utah's [UPDB program](https://uofuhealth.utah.edu/huntsman/utah-population-database) is the most consequential downstream beneficiary.

## Evidence

- [Source: FamilySearch Official Site and Library Statistics](familysearch-official-site.md)

## Open Questions

- How AI-era data combination will reshape the privacy posture of digitized historical records is an active question; FamilySearch's public stance and the Church's broader policy choices will matter for years.
- The religious sponsorship is load-bearing for both funding and culture; readers considering working here should think clearly about whether that context fits them, and how it shapes which records and which downstream uses get prioritized.
- The current hero is a CC0 public-domain photograph of the FamilySearch Library; an interior reading-room or scanning-floor image would better represent the day-to-day engineering work.