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John Schwartz — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Laporte-County, Indiana
Our Model Tree links this John Schwartz across the 1920, 1930 and 1940 US Censuses in Laporte-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 11-person household.
Age 68
b. ~1872
Male
Head
Born: Indiana
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Laporte-County, Indiana |
| Surname | Schwartz |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| 1935 Residence (City) | Michigan City |
| 1935 Residence (County) | LaPorte |
| Additional Details | |
| Occupation | Pattern Maker |
| Industry | Freight Car Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 344 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Pattern Maker |
| Township / Ward | Michigan City |
| Est. Birth Year | ~1872 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Swartzell | Other | — | 4 | ~1936 |
| Betty Schwartz | Daughter | — | 12 | ~1928 |
| William Swartzell | Other | — | 6 | ~1934 |
| John Schwartz | Son | — | 25 | ~1915 |
| Harry Schwartz | Son | — | 44 | ~1896 |
| Anna Schwartz | Spouse | — | 41 | ~1899 |
| Joy Swartzell | Daughter | — | 29 | ~1911 |
| Marilyn Schwartz | Daughter | — | 14 | ~1926 |
| Harriet Schwartz | Daughter | — | 11 | ~1929 |
| Dorothy Schwartz | Daughter | — | 19 | ~1921 |
| John Schwartz | Head | — | 68 | ~1872 |
Census Appearances
1920
La Porte, …
Head, age 49
La Porte, Indiana · implied b. ~1871 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swartz |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
La Porte, …
Head, age 59
La Porte, Indiana · implied b. ~1871 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schwartz |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 60 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Carpenter |
| Industry | Car Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 3000 |
| Home Value / Rent | R |
| Veteran | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Laporte-County, Indiana
Head, age 68
Laporte-County, Indiana · implied b. ~1872 — 11 household members
| Surname | Schwartz |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| 1935 Residence (City) | Michigan City |
| 1935 Residence (County) | LaPorte |
| Occupation | Pattern Maker |
| Industry | Freight Car Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 344 |
| Highest Grade | 6 |
| 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 John Schwartz across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Schwartz
Head · 1940 · age 68 · b. ~1872 · Indiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Laporte-County, Indiana
Open full size
1940 US Federal Census — Laporte-County, Indiana
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01070-00149)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Grace Phelan | 16 | Daughter | — | Indiana |
| 42 | James Phelan | 14 | Son | — | Indiana |
| 43 | Patsy Phelan | 6 | Daughter | — | Indiana |
| 44 | George Calhoun | 51 | Lodger | Housework | Indiana |
| 45 | Chester Miller | 25 | Head | Milk Delivery | Indiana |
| 46 | Edith Miller | 24 | Wife | — | Indiana |
| 47 | Dale Miller | 2 | Son | — | Indiana |
| 48 | Leo Missal | 49 | Head | Operating Crane | Russia |
| 49 | Elizabeth Missal | 45 | Wife | — | Germany |
| 50 | Leona Missal | 20 | Daughter | Clerk | Indiana |
| 51 | Ruth Missal | 15 | Daughter | — | Indiana |
| 52 | Donald Missal | 12 | Son | — | Indiana |
| 53 | John Schwartz THIS PERSON | 68 | Head | Pattern Maker | Indiana |
| 54 | John Jr. Schwartz | 25 | Son | Pattern Maker | Indiana |
| 55 | Harry Schwartz | 44 | Son | Shipping Clerk | Indiana |
| 56 | Anna Schwartz | 41 | Wife | — | Germany |
| 57 | Dorothy Schwartz | 19 | Daughter | Machine Operator | Indiana |
| 58 | Marilyn Schwartz | 14 | Daughter | — | Indiana |
| 59 | Betty Schwartz | 12 | Daughter | — | Indiana |
| 60 | Harriet Schwartz | 11 | Daughter | — | Indiana |
| 61 | Joy Swartzell | 29 | Daughter | — | Indiana |
| 62 | William Swartzell | 6 | Grandson | — | Indiana |
| 63 | James Swartzell | 4 | Grandson | — | Indiana |
| 65 | Allen Stark | 40 | Head | Clerk | Indiana |
| 66 | Helene Stark | 43 | Wife | — | Illinois |
| 67 | Virginia Stark | 17 | Daughter | — | Indiana |
| 68 | Gloria Stark | 15 | Daughter | — | Indiana |
| 69 | Allen Jr. Stark | 12 | Son | — | Indiana |
| 71 | Stanislaus Jasicki | 65 | Head | Janitor | Indiana |
| 72 | Katherine Jasicki | 56 | Wife | — | Indiana |
| 73 | Vernice Jasicki | 25 | Daughter | Housework | Indiana |
| 75 | Frank Nawrot | 37 | Head | Machinist | Indiana |
| 76 | Thaddeus Nawrot | 26 | Brother | Steamer | Indiana |
| 77 | Jan Trojan | 57 | Head | Gardener | Poland |
| 78 | Sofia Trojan | 51 | Wife | — | Poland |
| 79 | John Trojan | 21 | Son | Packer | Indiana |
| 80 | Edward Trojan | 20 | Son | Packer | Indiana |
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)