JC
John Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Joseph-County, Michigan
Our Model Tree links this John Cox across the 1920, 1930 and 1940 US Censuses in St.-Joseph-County, Michigan (XGBoost, ~Confirmed), with identified parents Charles & Arlina — first a head (b.~1896), then head of a 4-person household.
Age 44
b. ~1896
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Michigan |
| Surname | Cox |
| Given Name | John S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Three Rivers city |
| 1935 Residence (County) | St Joseph |
| Additional Details | |
| Occupation | Vice Pres. |
| Industry | Nursery |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Vice Pres. |
| Township / Ward | Three Rivers City |
| Est. Birth Year | ~1896 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Harriet Cox | Daughter | — | 14 | ~1926 |
| Priscilla Cox | Daughter | — | 18 | ~1922 |
| John Cox | Head | — | 44 | ~1896 |
| Electa Cox | Spouse | — | 43 | ~1897 |
Census Appearances
1920
St Joseph, …
Son, age 24
St Joseph, Michigan · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Clerk |
| Industry | Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
St Joseph, …
Head, age 34
St Joseph, Michigan · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | John S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 23 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Salesman |
| Industry | Coal |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 50 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Joseph-County, Michigan
Head, age 44
St.-Joseph-County, Michigan · implied b. ~1896 — 4 household members
| Surname | Cox |
| Given Name | John S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Three Rivers city |
| 1935 Residence (County) | St Joseph |
| Occupation | Vice Pres. |
| Industry | Nursery |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 John Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Cox (~0.92 confidence) and mother Arlina Cox (~0.92 confidence) and mother Flent Cox (~0.50 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.78
Father
Charles Cox
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Arlina Cox
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Flent Cox
b. ~1900
Source mother
● Household
· direct · ~0.5
This person
Anchor record
John Cox
Head · 1940 · age 44 · b. ~1896 · Michigan
★ 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 — St.-Joseph-County, Michigan
Open full size
1940 US Federal Census — St.-Joseph-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01817-00687)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jack H. Kanszler | 16 | Son | Clerk | Michigan |
| 42 | Donald F. Boyer | 37 | Head | Clerk | Michigan |
| 43 | Lyla O. Boyer | 38 | Wife | — | Michigan |
| 44 | Richard A. Boyer | 8 | Son | — | Michigan |
| 45 | John S. Cox THIS PERSON | 44 | Head | Vice Pres. | Michigan |
| 46 | Electa A. Cox | 43 | Wife | — | Indiana |
| 47 | Priscilla Cox | 18 | Daughter | — | Michigan |
| 48 | Harriet Cox | 14 | Daughter | — | Michigan |
| 49 | Donald F. Brueck | 36 | Head | Owner | Indiana |
| 50 | Mildred B. Brueck | 36 | Wife | — | Indiana |
| 51 | Joyce Brueck | 15 | Daughter | — | Michigan |
| 52 | Harold A. Bramer | 37 | Head | Plant Agent | Michigan |
| 53 | Katharine Bramer | 36 | Wife | — | Michigan |
| 54 | Karen Ann Bramer | 4 | Daughter | — | Michigan |
| 55 | Alison K. Bramer | 0 | Daughter | — | Michigan |
| 56 | Harry Thompson | 43 | Head | Mechanical Engineer | Iowa |
| 57 | E. Marguerite Thompson | 42 | Wife | — | Michigan |
| 58 | Edwin Thompson | 22 | Son | Operator | Michigan |
| 59 | George Thompson | 16 | Son | — | Michigan |
| 60 | Paul Thompson | 12 | Son | — | Michigan |
| 61 | Grace Thompson | 11 | Daughter | — | Michigan |
| 62 | Charles H. Halter | 61 | Head | Laborer | Michigan |
| 63 | Louise M. Halter | 49 | Wife | — | Michigan |
| 64 | Ines L. Halter | 19 | Daughter | Housekeeper | Michigan |
| 65 | Charles Halter | 13 | Son | — | Michigan |
| 66 | Gladys J. Halter | 11 | Daughter | — | Michigan |
| 67 | Edward R. Carr | 71 | Head | Salesman | Michigan |
| 68 | Eva L. Carr | 68 | Wife | — | Ohio |
| 69 | William L. Abshire | 42 | Head | Laborer | Michigan |
| 70 | Pauline E. Abshire | 41 | Wife | — | Michigan |
| 71 | James R. Abshire | 17 | Son | — | Michigan |
| 72 | William Abshire | 10 | Son | — | Michigan |
| 73 | Alice J. Abshire | 8 | Daughter | — | Michigan |
| 74 | Maggie B. Mourer | 79 | Head | — | Pennsylvania |
| 75 | Harry Cady | 34 | Head | Stock Clerk | Tennessee |
| 76 | Arla M. Cady | 33 | Wife | — | Michigan |
| 77 | Barbara J. Cady | 11 | Daughter | — | Michigan |
| 78 | Helen E. Cady | 9 | Daughter | — | Michigan |
| 79 | Thomas Mikoler | 49 | Head | Electrician | Austria |
| 80 | Lottie Mikoler | 45 | Wife | — | Michigan |
Pedigree Summary
John
Gen 1 · 3 parents
~0.78
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)