JA
James Alexander — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vigo-County, Indiana
Our Model Tree links this James Alexander across the 1920, 1930 and 1940 US Censuses in Vigo-County, Indiana (XGBoost, ~Confirmed), with identified parents Jeff & Myrtle — first a son (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vigo-County, Indiana |
| Surname | Alexander |
| Given Name | James C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Bedford |
| Additional Details | |
| Occupation | Traveling Salesman |
| Industry | Wholesale Grocery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1520 |
| Highest Grade | H 4 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Traveling Salesman |
| Township / Ward | Terre Haute |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Walter Alexander | Head | — | 45 | ~1895 |
| James Alexander | Son | — | 27 | ~1913 |
| Grace Alexander | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Vigo, Indiana
Son, age 5
Vigo, Indiana · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Vigo, Indiana
Son, age 16
Vigo, Indiana · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vigo-County, Indiana
Son, age 27
Vigo-County, Indiana · implied b. ~1913 — 3 household members
| Surname | Alexander |
| Given Name | James C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Bedford |
| Occupation | Traveling Salesman |
| Industry | Wholesale Grocery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1520 |
| Highest Grade | H 4 |
| 1935 Residence | Indiana |
| 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 James Alexander across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jeff Alexander (~0.92 confidence) and mother Myrtle Alexander (~0.92 confidence) and father Walter Alexander (~0.92 confidence) and mother Grace Alexander (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jeff Alexander
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Myrtle Alexander
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
Walter Alexander
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Grace Alexander
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Alexander
Son · 1940 · age 27 · b. ~1913 · 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 — Vigo-County, Indiana
Open full size
1940 US Federal Census — Vigo-County, Indiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01103-00893)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Violet M Morgan | 27 | Wife | — | Indiana |
| 2 | Jessie P Mabutin | 52 | Head | Cinder Pitman | Kansas |
| 3 | Martha E Mabutin | 50 | Wife | — | Indiana |
| 4 | Richard C Davis | 25 | Son-in-law | Electrician | Indiana |
| 5 | Mabel M Davis | 24 | Daughter | — | Indiana |
| 6 | Richard J Davis | 7 | Grandson | — | Indiana |
| 7 | Elizabeth J Davis | 5 | Granddaughter | — | Indiana |
| 8 | Rebecca L Davis | 3 | Granddaughter | — | Indiana |
| 9 | Alice M Davis | 1 | Granddaughter | — | Indiana |
| 10 | Steve G Leffinger | 54 | Head | Brakeman | Indiana |
| 11 | Pearl R Leffinger | 47 | Wife | — | Indiana |
| 12 | Martha J Leffinger | 20 | Daughter | — | Indiana |
| 13 | Margot A Leffinger | 20 | Daughter | — | Indiana |
| 14 | Wesley C Armstrong | 52 | Head | Brakeman | Indiana |
| 15 | Maude Armstrong | 51 | Wife | — | Indiana |
| 16 | Horace M Armstrong | 87 | Father | — | Indiana |
| 17 | Wm Meyer | 70 | Head | — | Ohio |
| 18 | Lura L Meyer | 67 | Wife | — | Indiana |
| 19 | Walter Alexander | 45 | Head | Locomotive Fireman | Indiana |
| 20 | Grace H Alexander | 45 | Wife | — | Indiana |
| 21 | James C Alexander THIS PERSON | 27 | Son | Traveling Salesman | Indiana |
| 22 | Audrey Shaw | 67 | Head | — | Indiana |
| 23 | John E Meese | 35 | Head | Chemist Helper | Indiana |
| 24 | Louise L Meese | 38 | Wife | — | Indiana |
| 25 | Harold Meese | 12 | Son | — | Indiana |
| 26 | Chas A Dorfmeyer | 48 | Head | Grower | Indiana |
| 27 | Edith Dorfmeyer | 36 | Wife | — | Illinois |
| 28 | Clarence H Dorfmeyer | 56 | Head | Painter | Ohio |
| 29 | Mable Dorfmeyer | 50 | Wife | — | Indiana |
| 30 | Frank W Dorfmeyer | 20 | Son | — | Indiana |
| 31 | Ethel L Dorfmeyer | 11 | Daughter | — | Indiana |
| 32 | Elmer J Dorfmeyer | 45 | Brother | Brakeman | Indiana |
| 33 | Carrie Williams | 75 | Mother-in-law | — | Germany |
| 34 | Clara Williams | 48 | Sister-in-law | — | Indiana |
| 35 | Vernon E Hinshaw | 33 | Head | Baker | Indiana |
| 36 | Garnet Hinshaw | 32 | Wife | — | Indiana |
| 37 | Robert V Hinshaw | 4 | Son | — | Indiana |
| 38 | Geo M Plummer | 42 | Head | Hoisting Engine | Indiana |
| 39 | Vera I Plummer | 32 | Wife | — | Arkansas |
Pedigree Summary
James
Gen 1 · 4 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)