RJ
Richard Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Richard Jones across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Jacob & Alonzo — first a son (b.~1913), then head of a 7-person household.
Age 27
b. ~1913
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Jones |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Architectural Draftsman |
| Industry | Architects |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 560 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Architectural Draftsman |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1913 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Sylvia Jones | Daughter | — | ~1940 | |
| Jacob Jones | Head | — | 55 | ~1885 |
| Betty Jones | Other | — | 27 | ~1913 |
| Duane Jones | Son | — | 23 | ~1917 |
| Richard Jones | Son | — | 27 | ~1913 |
| D Jones | Son | — | 22 | ~1918 |
| Grace Jones | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Marion, Indiana
Son, age 5
Marion, Indiana · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 16
Marion, Indiana · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Indiana |
| Occupation | Press Machine Op |
| Industry | Glove Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 27
Marion-County, Indiana · implied b. ~1913 — 7 household members
| Surname | Jones |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Occupation | Architectural Draftsman |
| Industry | Architects |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 560 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Richard Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jacob Jones (~0.92 confidence) and father Alonzo Jones (~0.92 confidence) and mother Minnie Jones (~0.92 confidence) and mother Grace Jones (~0.92 confidence) and father Edmon Jones (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jacob Jones
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Alonzo Jones
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Minnie Jones
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Grace Jones
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Edmon Jones
b. ~1889
Source father
● Household
· direct · ~0.92
This person
Anchor record
Richard Jones
Son · 1940 · age 27 · b. ~1913 · Indiana
★ You are viewing this record
Sibling
Duane Jones
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
D Jones
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sylvia Jones
Sibling · 1940 · age
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01125-00622)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert E. Guild | 62 | Head | Accountant | Indiana |
| 2 | Anna M. Guild | 60 | Wife | — | Indiana |
| 3 | Helen M. Guild | 38 | Daughter | — | Indiana |
| 4 | Harry E. Caldwell | 41 | Head | Watchman | Indiana |
| 5 | Leora E. Caldwell | 41 | Wife | — | Indiana |
| 6 | Allan Caldwell | 36 | Son | Knitter | Indiana |
| 7 | Helga Caldwell | 35 | Daughter-in-law | — | Indiana |
| 8 | Diane Caldwell | 11 | Granddaughter | — | Indiana |
| 9 | Jerilyn Caldwell | 5 | Granddaughter | — | Indiana |
| 10 | Raymond C. West | 29 | Head | Asst. Cashier | Illinois |
| 11 | Oleta West | 30 | Wife | — | Indiana |
| 12 | Kent B. West | 3 | Son | — | Indiana |
| 13 | Donald R. Mclean | 20 | Brother-in-law | Assistant | Indiana |
| 14 | Floyd Cotton | 52 | Head | Grocer | Indiana |
| 15 | Louise Cotton | 45 | Wife | — | Indiana |
| 16 | Esther Cotton | 23 | Daughter | Stenographer | Indiana |
| 17 | Floyd Jr. Cotton | 19 | Son | — | Indiana |
| 18 | Orville Peters | 29 | Head | Traveling Auditor | Indiana |
| 19 | Marjorie Peters | 27 | Wife | — | Kentucky |
| 20 | Donald Peters | 3 | Son | — | Indiana |
| 21 | David Peters | 0 | Son | — | Indiana |
| 22 | Harry Beese | 34 | Head | Price Clerk | Michigan |
| 23 | Mary E. Beese | 26 | Wife | — | Indiana |
| 24 | Sally Beese | 3 | Daughter | — | Indiana |
| 25 | Leora B. Gary | 63 | Head | — | Indiana |
| 26 | Jacob L. Jones | 55 | Head | Bldg. Craft Teacher | Indiana |
| 27 | Grace Jones | 53 | Wife | — | S. Dakota |
| 28 | Richard Jones THIS PERSON | 27 | Son | Architectural Draftsman | Indiana |
| 29 | D. John Jones | 22 | Son | — | Indiana |
| 30 | Duane Jones | 23 | Son | — | Indiana |
| 31 | Betty Jane Jones | 27 | Daughter-in-law | — | Tennessee |
| 32 | Sylvia Marie Jones | 0 | Daughter | — | Indiana |
| 33 | Frank R. Stewart | 43 | Head | Traveling Salesman | Indiana |
| 34 | Virginia Stewart | 38 | Wife | — | Indiana |
| 35 | Frank R. Jr. Stewart | 14 | Son | — | Indiana |
| 36 | James L. Martin | 77 | Father-in-law | — | Indiana |
| 37 | Alberta Martin | 67 | Mother-in-law | — | Illinois |
| 38 | Charles W. Gilkison | 61 | Head | Locomotive Engineer | Illinois |
| 39 | Sarah J. Gilkison | 53 | Wife | — | Indiana |
| 40 | Alma M. Fattenlogel | 55 | Head | Stenographer | Indiana |
Pedigree Summary
Richard + 3 siblings
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)