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John Schwartz — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allen-County, Indiana
Our Model Tree links this John Schwartz across the 1930 and 1940 US Censuses in Allen-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allen-County, Indiana |
| Surname | Schwartz |
| Given Name | John A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Fort Wayne City |
| 1935 Residence (County) | Allen |
| Additional Details | |
| Occupation | 0 |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | 0 |
| Township / Ward | Fort Wayne City |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Schwartz | Head | — | 48 | ~1892 |
| Estella Schwartz | Daughter | — | 17 | ~1923 |
| James Schwartz | Son | — | 9 | ~1931 |
| Marie Schwartz | Daughter | — | 22 | ~1918 |
| John Schwartz | Son | — | 12 | ~1928 |
| Loniel Schwartz | Daughter | — | 18 | ~1922 |
| Celest Schwartz | Son | — | 22 | ~1918 |
| Louise Schwartz | Spouse | — | 50 | ~1890 |
| Helen Schwartz | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Allen, Indiana
Son, age 2
Allen, Indiana · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schwartz |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Allen-County, Indiana
Son, age 12
Allen-County, Indiana · implied b. ~1928 — 9 household members
| Surname | Schwartz |
| Given Name | John A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Fort Wayne City |
| 1935 Residence (County) | Allen |
| Occupation | 0 |
| Income (1939) | 0 |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Schwartz
Son · 1940 · age 12 · b. ~1928 · Indiana
★ You are viewing this record
Sibling
Estella Schwartz
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Schwartz
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loniel Schwartz
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Schwartz
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Schwartz
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Celest Schwartz
Sibling · 1940 · age 22
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 — Allen-County, Indiana
Open full size
1940 US Federal Census — Allen-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01115-00304)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louise C. Salomon | 44 | Wife | 0 | Indiana |
| 42 | Hildegarde A. Salomon | 15 | daughter | 0 | Indiana |
| 43 | Richard D.H. Salomon | 10 | son | 0 | Indiana |
| 44 | John D. Schwartz | 48 | Head | Foreman | Indiana |
| 45 | Louise C. Schwartz | 50 | Wife | 0 | Indiana |
| 46 | Marie M. Schwartz | 22 | daughter | Bookkeeper | Indiana |
| 47 | Celest J.K. Schwartz | 22 | son | Stenographer | Indiana |
| 48 | Loniel E. Schwartz | 18 | daughter | Typist In Office | Indiana |
| 49 | Estella A. Schwartz | 17 | daughter | 0 | Indiana |
| 50 | Helen D. Schwartz | 15 | daughter | 0 | Indiana |
| 51 | John A. Schwartz THIS PERSON | 12 | son | 0 | Indiana |
| 52 | James R. Schwartz | 9 | son | 0 | Indiana |
| 53 | Wesley E. Lucey | 35 | Head | Line Man | Michigan |
| 54 | Marita Lucey | 31 | Wife | Sales Clerk | Michigan |
| 55 | Jack E. Lucey | 14 | son | 0 | Indiana |
| 56 | Lillian J. Lucey | 60 | mother | 0 | England |
| 57 | James W. Dalton | 60 | Head | Assistant Shipping Clerk | Indiana |
| 58 | Minnie Dalton | 51 | Wife | 0 | Indiana |
| 59 | John S. Buchanan | 28 | Head | Freight Representative | Missouri |
| 60 | Elizabeth W. Buchanan | 25 | Wife | 0 | Missouri |
| 61 | Susan M. Buchanan | 1 | daughter | — | Indiana |
| 62 | Ferrell E. Crawford | 32 | Head | Tire Salesman | Ohio |
| 63 | Elma V. Crawford | 31 | Wife | 0 | Ohio |
| 64 | Theodore W. Powell | 51 | Head | Paper Salesman | Kentucky |
| 65 | Madeline S. Powell | 42 | Wife | 0 | Ohio |
| 66 | David M. Powell | 25 | son | Forester | Kentucky |
| 67 | Thomas S.M. Powell | 11 | son | 0 | Ohio |
| 68 | Clem J. Miller | 52 | Head | Own Business | Indiana |
| 69 | Katherine Miller | 50 | Wife | 0 | Indiana |
| 70 | Robert J. Miller | 15 | son | 0 | Indiana |
| 71 | Mercedes Miller | 12 | daughter | 0 | Indiana |
| 72 | Robert D. Miller | 25 | son | Salesman | Indiana |
| 73 | Michael C. Miller | 5 | son | — | Indiana |
| 74 | Dorothy C. Miller | 24 | daughter-in-law | Private Secretary | Ohio |
| 75 | Anna Nip | 51 | sister-in-law | Housework | Indiana |
| 76 | Harry E. Coudret | 38 | Head | Factory Supt. | Indiana |
| 77 | Lucina A. Coudret | 37 | Wife | 0 | Indiana |
| 78 | Justine L. Coudret | 16 | daughter | 0 | Indiana |
| 79 | Bertha R. Coudret | 15 | daughter | 0 | Indiana |
| 80 | August W. Heim | 42 | Head | Real Estate | Ohio |
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)