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John Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this John Schmidt across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Henry & John — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Baker |
| Industry | Shop Baker |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | G 4 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Baker |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1912 |
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 |
|---|---|---|---|---|
| Caroline Schmidt | Daughter | — | 33 | ~1907 |
| Leda Schmidt | Daughter | — | 38 | ~1902 |
| Henry Schmidt | Head | — | 71 | ~1869 |
| John Schmidt | Son | — | 28 | ~1912 |
Census Appearances
1920
Baltimore, Maryland
Son, age 7
Baltimore, Maryland · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 17
Baltimore, Maryland · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 28
Baltimore-City-County, Maryland · implied b. ~1912 — 4 household members
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Baker |
| Industry | Shop Baker |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | G 4 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Schmidt (~0.92 confidence) and father John Schmidt (~0.92 confidence) and father Samuel Schmidt (~0.92 confidence) and mother Eva Schmidt (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Schmidt
b. ~1869
Source father
● Household
· direct · ~0.92
Father
John Schmidt
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Samuel Schmidt
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Eva Schmidt
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Schmidt
Son · 1940 · age 28 · b. ~1912 · Maryland
★ You are viewing this record
Sibling
Caroline Schmidt
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leda Schmidt
Sibling · 1940 · age 38
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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01508-00352)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alvina Wisniewski | 15 | Daughter | — | Maryland |
| 2 | Bernard Wisniewski | 13 | Son | — | Maryland |
| 3 | Alford Wisniewski | 9 | Son | — | Maryland |
| 4 | Ester Wisniewski | 7 | Daughter | — | Maryland |
| 5 | Selma Wisniewski | 2 | Daughter | — | Maryland |
| 6 | Albert Fryer | 37 | Head | Laborer | Maryland |
| 7 | Margaret Fryer | 26 | Wife | Sewing Machine Operator | Maryland |
| 8 | Elaine Fryer | 5 | Daughter | — | Maryland |
| 9 | Kathryn Fryer | 1 | Daughter | — | Maryland |
| 10 | Grover Anello | 56 | Head | Candy Maker | Maryland |
| 11 | Elizabeth M. Anello | 51 | Wife | — | Maryland |
| 12 | Marie S. Weber | 34 | Head | — | Illinois |
| 13 | Nicholas Weber | 9 | Son | — | Maryland |
| 14 | Barbara Weber | 7 | Daughter | — | Maryland |
| 15 | Marion Weber | 3 | Daughter | — | Maryland |
| 16 | Frank D. Grzesinski | 27 | Head | Nut Sender | Maryland |
| 17 | Priscilla Grzesinski | 23 | Wife | Box Keeper | Maryland |
| 18 | Leona Grzesinski | 1 | Daughter | — | Maryland |
| 19 | Louis Karwaki | 52 | Head | Stevedore | Maryland |
| 20 | Antoinette Karwaki | 46 | Wife | — | Pennsylvania |
| 21 | Francis Karwaki | 22 | Daughter | Operator | Maryland |
| 22 | James Karwaki | 19 | Son | — | Maryland |
| 23 | Albin Karwaki | 15 | Son | — | Maryland |
| 24 | Emil Karwaki | 13 | Son | — | Maryland |
| 25 | Frank Smiglewski | 54 | Head | Laborer | Maryland |
| 26 | Rose Smiglewski | 57 | Wife | — | Poland |
| 27 | Ernest Kolarczyk | 27 | Head | Paper Hanger | Maryland |
| 28 | Anna Kolarczyk | 22 | Wife | Waitress | Maryland |
| 29 | Tillie Rankin | 73 | Head | — | Poland |
| 30 | Michael Rankin | 38 | Son | Chauffeur | Maryland |
| 31 | Steve Rankin | 36 | Son | Press Operator | Maryland |
| 32 | George Rankin | 42 | Head | Laborer | Maryland |
| 33 | Josephine Rankin | 42 | Wife | Photo Press | Maryland |
| 34 | Henry H. Schmidt | 71 | Head | — | Germany |
| 35 | Leda Schmidt | 38 | Daughter | Stenographer | Maryland |
| 36 | Caroline Schmidt | 33 | Daughter | Sales Lady | Maryland |
| 37 | John Schmidt THIS PERSON | 28 | Son | Baker | Maryland |
| 38 | Raymond Jones | 28 | Head | Chauffeur | Maryland |
| 39 | Josephine Jones | 25 | Wife | Laborer | Maryland |
| 40 | Constance Jones | 5 | Daughter | — | Maryland |
Pedigree Summary
John + 2 siblings
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)