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William Robinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this William Robinson across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Earl & Margaret — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Robinson |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Accountant |
| Industry | Canning Fac. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Accountant |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1917 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Earl Robinson | Head | — | 53 | ~1887 |
| William Robinson | Son | — | 23 | ~1917 |
| Bertha Robinson | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Marion, Indiana
Son, age 1
Marion, Indiana · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 12
Marion, Indiana · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 23
Marion-County, Indiana · implied b. ~1917 — 3 household members
| Surname | Robinson |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Accountant |
| Industry | Canning Fac. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | C 4 |
| 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 William Robinson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Evans (~0.92 confidence) and mother Margaret Evans (~0.92 confidence) and father Jesse Robinson (~0.92 confidence) and father Earl Robinson (~0.92 confidence) and mother Bertha Robinson (~0.92 confidence) and mother Myrtle Robinson (~0.92 confidence) and mother Bertha Robinson (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Evans
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Margaret Evans
b. ~1902
Source mother
● Household
· direct · ~0.92
Father
Jesse Robinson
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Earl Robinson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Bertha Robinson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Myrtle Robinson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Bertha Robinson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Robinson
Son · 1940 · age 23 · b. ~1917 · Indiana
★ You are viewing this record
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
39 people indexed on this census page (nara:1940:m-t0627-01131-00376)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dortha Howell | 30 | Daughter | Telephone | Missouri |
| 42 | Clark W Howell | 63 | Head | Salesman | Indiana |
| 43 | Josephine Howell | 54 | Wife | — | Indiana |
| 44 | Pearl Griggs | 51 | Lodger | Bookkeeper | Indiana |
| 45 | John W Eubank | 57 | Head | Farmer - Livestock | Indiana |
| 46 | Grace B Eubank | 53 | Wife | — | Indiana |
| 47 | Winifred West | None | Lodger | — | — |
| 49 | Elsworth Scott | 47 | Head | Dist. Mgr. | Illinois |
| 50 | Louisa Scott | 41 | Wife | — | Michigan |
| 51 | Frank A Karnatz | 32 | Head | Chemist | Illinois |
| 52 | Margaret Karnatz | 29 | Wife | — | Illinois |
| 53 | Arthur E Graf | 30 | Head | Ter. Mgr | Indiana |
| 54 | Mary Graf | 32 | Wife | — | Indiana |
| 55 | David Graf | 2 | Son | — | Indiana |
| 56 | Charles E Jr Alling | 41 | Head | Dist Sales Ag | Oklahoma |
| 57 | Bessie R Alling | 41 | Wife | — | Georgia |
| 58 | Charles E Alling | 16 | Son | — | Oklahoma |
| 59 | Bessie P Alling | 10 | Daughter | — | Missouri |
| 60 | Flora Newman | 68 | Head | — | Illinois |
| 61 | Ruth Newman | 45 | Daughter | — | Illinois |
| 62 | Lilly Mccall | 68 | Friend | — | Indiana |
| 63 | George D Lance | 63 | Head | — | Indiana |
| 64 | Hallie M Lance | 62 | Wife | — | Indiana |
| 65 | Fred H Knauer | 38 | Head | Salesman | Ohio |
| 66 | Martha M Knauer | 39 | Wife | — | Austria |
| 67 | Marti Knauer | 10 | Daughter | — | Indiana |
| 68 | Martha Blaumoser | 63 | Mother in law | — | Austria |
| 69 | C D Parker | 63 | Head | Telegrapher | Ohio |
| 70 | Blanche Parker | 62 | Wife | — | Indiana |
| 71 | Robert (Els) Parker | 36 | Son | — | Indiana |
| 72 | Stella R Dawson | 59 | Head | Teacher | Indiana |
| 73 | Alice B Dawson | 77 | Mother | — | Indiana |
| 74 | Melvin J Mcculley | 37 | Lodger | Barber | Kentucky |
| 75 | Thomas F Hall | 33 | Lodger | Clerk | Indiana |
| 76 | Everett Q Berkmyer | 63 | Head | — | Kentucky |
| 77 | Ursula Berkmyer | 62 | Wife | — | Indiana |
| 78 | Earl Robinson | 53 | Head | Dist Freight | Indiana |
| 79 | Bertha Robinson | 54 | Wife | — | Indiana |
| 80 | William A Robinson THIS PERSON | 23 | Son | Accountant | Indiana |
Pedigree Summary
William
Gen 1 · 7 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)