TJ
Thomas Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Amador-County, California
Our Model Tree links this Thomas Jones across the 1910, 1920, 1930 and 1940 US Censuses in Amador-County, California (XGBoost, ~Confirmed), with identified parents Harry & Harry — first a son (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Amador-County, California |
| Surname | Jones |
| Given Name | Thomas L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Jackson city |
| 1935 Residence (County) | Amador |
| Additional Details | |
| Occupation | Salesman |
| Industry | Real Estate |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 276 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Salesman |
| Township / Ward | Jackson City |
| Est. Birth Year | ~1901 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Margaret Jones | Daughter | — | 30 | ~1910 |
| Harry Jones | Head | — | 82 | ~1858 |
| Thomas Jones | Son | — | 39 | ~1901 |
Census Appearances
1910
Amador, California
Son, age 9
Amador, California · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Thomas A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Amador, California
Son, age 19
Amador, California · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Amador, California
Son, age 29
Amador, California · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Garage proprietor |
| Industry | Garage |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Amador-County, California
Son, age 39
Amador-County, California · implied b. ~1901 — 3 household members
| Surname | Jones |
| Given Name | Thomas L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Jackson city |
| 1935 Residence (County) | Amador |
| Occupation | Salesman |
| Industry | Real Estate |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 276 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Thomas Jones across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Jones (~0.92 confidence) and father Harry Jones (~0.92 confidence) and mother Alice Jones (~0.92 confidence) and mother Jane Jones (~0.92 confidence) and mother Alice Jones (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Jones
b. ~1858
Source father
● Household
· direct · ~0.92
Father
Harry Jones
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Alice Jones
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Jane Jones
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Alice Jones
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Jones
Son · 1940 · age 39 · b. ~1901 · California
★ You are viewing this record
Sibling
Margaret Jones
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Amador-County, California
Open full size
1940 US Federal Census — Amador-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00192-00061)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Palmera Rule | 23 | Wife | S | California |
| 2 | James Chas. Rule | 3 | Son | — | California |
| 3 | Phyllis Rule | 2 | Son | — | California |
| 4 | Antone Plavich | 46 | Head | Miner | Yugoslavia |
| 5 | Mary Plavich | 34 | Wife | — | Yugoslavia |
| 6 | Donald Plavich | 14 | Son | — | California |
| 7 | Julia Plavich | 13 | Daughter | — | California |
| 8 | Mike Plavich | 9 | Son | — | California |
| 9 | George Plavich | 6 | Son | — | California |
| 10 | Marie Plavich | 5 | Daughter | — | California |
| 11 | Bill Plavich | 3 | Son | — | California |
| 12 | Raymond Williams | 29 | Head | Salesman | Texas |
| 13 | Mary Williams | 20 | Wife | — | California |
| 14 | Hazel Williams | 0 | Daughter | 0 | California |
| 15 | Jeff Williams | 27 | Brother | Miner | Texas |
| 16 | George Mckinnon | 33 | Brother | Miner | California |
| 17 | Faustino Avila | 58 | Head | Miner | Mexico |
| 18 | Virginia Avila | 45 | Wife | — | Mexico |
| 19 | Angelo Avila | 24 | Son | Miner | Mexico |
| 20 | Fred Avila | 15 | Son | — | Mexico |
| 21 | Robert Fleming | 57 | Head | Truck Driver | California |
| 22 | Myrtle Fleming | 47 | Wife | — | California |
| 23 | Chris Meiss | 65 | Head | Assessor | California |
| 24 | Alice Meiss | 58 | Wife | — | California |
| 25 | Mellie Puck | 81 | Head | — | California |
| 26 | Nell Williamson | 64 | Lodger | Housekeeper | California |
| 27 | Han Chan | 61 | Head | Laundry | California |
| 28 | Harry W. Jones | 82 | Head | — | California |
| 29 | Thomas L. Jones THIS PERSON | 39 | Son | Salesman | California |
| 30 | Margaret Jones | 30 | Daughter | — | California |
| 31 | Charles Germane | 38 | Head | Proprietor | California |
| 32 | Helen Germane | 39 | Wife | Bookkeeper | Kentucky |
| 33 | Allan Kingsbury | 61 | Head | — | Kentucky |
| 34 | Earl Smith | 50 | Head | Superintendent | Arkansas |
| 35 | Jessie Smith | 50 | Wife | — | Canada |
| 36 | Richard Bryant | 26 | Head | Hoist Engineer | California |
| 37 | Louise Bryant | 20 | Wife | — | California |
| 38 | Frank Giannini | 45 | Head | Salesman | California |
| 39 | Marie Giannini | 35 | Wife | — | California |
| 40 | John Bernichi | 51 | Head | Fireman | California |
Related Census Records
Pedigree Summary
Thomas + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)