Juan Martinez — US Census Records & Model Tree
We found 5219 free census records for Juan Martinez across 6 census years (1900–1950), in 34 states and 3 territories and 417 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.
Juan Martinez Census Records by State & County
Census Record Search
About Juan Martinez US Census Records & Model Tree
We've indexed 5219 free, proprietary US Census records for Juan Martinez across 1900–1950, covering 34 states and 3 territories: Alaska, Arizona, Arkansas, California, Colorado, Florida, Georgia, Guam, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Louisiana, Maryland, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Jersey, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Tennessee, Texas, U.S. Virgin Islands, Utah, Virginia, Wyoming.
Each record includes our Model Tree — a longitudinal reconstruction that links the same person across census decades using machine learning (XGBoost record linkage). Every link carries a confidence score: Verified (≥0.99), Confirmed (≥0.95), or Linked (lower confidence). This tells you not just what the census says, but how reliably we've connected records across time.
Every record also shows the full household — who Juan lived with, their ages, birthplaces, and occupations. For 1940 and 1950 records, you can view the original handwritten census page from the National Archives.
Last updated: July 30, 2026
Frequently Asked Questions
- We have 5219 US Census records for Juan Martinez, from 1900 to 1950, across 34 states and 3 territories.
- You'll see Juan's age, birthplace, occupation, and relationship to the head of household — plus everyone else who lived in the same home. For 1940 and 1950 records, you can also view the original handwritten census page.
- Census records are a snapshot of a family every 10 years. You can follow Juan Martinez's household over time — see when children appear, when people move states, and who's living together. YourRoots connects census data with Tree Matching and AI tools so you can build out your tree faster.
- Yes. All Juan Martinez census records on YourRoots are free to search and view — no subscription required. We built our own index from the original federal census images.
- We have Juan Martinez records from the 1900 through 1950 US Federal Census, across 34 states and 3 territories. Use the year and state filters above to narrow your results.
- Start by narrowing the year and state. If you know an approximate birth year, use the age column to match — census age minus the census year gives you a birth year estimate. Household members, birthplace, and occupation help confirm you have the right person.
- The Model Tree is YourRoots' unique feature that links a person across multiple census decades and reconstructs their likely family — parents, siblings, spouse, and children — based on household patterns. It turns isolated records into a connected family network.
- All records originate from the US Federal Census microfilm digitized by NARA (National Archives and Records Administration). YourRoots re-indexed the original page images using modern AI, catching names and details that older transcriptions missed.