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John Schwartz — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this John Schwartz across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 11-person household.
Age 11
b. ~1919
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Schwartz |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | New York |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 15 Part |
| Est. Birth Year | ~1919 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Rita Schwartz | Daughter | — | 3 | ~1927 |
| Henry Schwartz | Son | — | 8 | ~1922 |
| Dolores Schwartz | Daughter | — | 5 | ~1925 |
| Marie Schwartz | Daughter | — | 10 | ~1920 |
| Elizabeth Schwartz | Daughter | — | 1 | ~1929 |
| Mary Schwartz | Daughter | — | ~1930 | |
| John Schwartz | Son | — | 11 | ~1919 |
| Mary Schwartz | Spouse | — | 39 | ~1891 |
| Louis Schwartz | Son | — | 7 | ~1923 |
| Frank Schwartz | Son | — | 4 | ~1926 |
| John Schwartz | Head | — | 32 | ~1898 |
Census Appearances
1930
Baltimore, Maryland
Son, age 11
Baltimore, Maryland · implied b. ~1919 — 11 household members
| Surname | Schwartz |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | New York |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Other, age 21
Baltimore-County, Maryland · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shwartz |
| Given Name | John |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Unincorporated place - Harrison - Dundalk - St. Helena |
| 1935 Residence (County) | Baltimore |
| Occupation | machinist |
| Industry | Bethlehem Steel Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 320 |
| Highest Grade | No 8 |
| 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 Schwartz across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Schwartz
Son · 1930 · age 11 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Frank Schwartz
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Schwartz
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Schwartz
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dolores Schwartz
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Schwartz
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Schwartz
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Schwartz
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Schwartz
Sibling · 1930 · age 1
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
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus847unit:0629)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Andrew Borkowski | 43 | Head | Laborer | Germany |
| 52 | Sophie Borkowski | 42 | Wife | None | Germany |
| 53 | John Borkowski | 18 | Son | Laborer | Maryland |
| 54 | Arthur Borkowski | 13 | Son | None | Maryland |
| 55 | Arthur Feltz | 23 | Head | Machine | Maryland |
| 56 | Mildred Feltz | 22 | Wife | None | Maryland |
| 57 | Mildred Feltz | 1 | Daughter | None | Maryland |
| 58 | Martha Wheeler | 70 | Head | None | Maryland |
| 59 | Bessie Wheeler | 42 | Daughter | None | Maryland |
| 60 | Grace Wheeler | 38 | Daughter | None | Maryland |
| 61 | Ruth Wheeler | 35 | Daughter | None | Maryland |
| 62 | Charles Feltz | 22 | Head | Cutter | Maryland |
| 63 | Marie Feltz | 22 | Wife | None | Maryland |
| 64 | John Schwartz | 32 | Head | Hobby | New York |
| 65 | Mary Schwartz | 39 | Wife | None | Maryland |
| 66 | John Schwartz THIS PERSON | 11 | Son | None | Maryland |
| 67 | Marie Schwartz | 10 | Daughter | None | Maryland |
| 68 | Henry Schwartz | 8 | Son | None | Maryland |
| 69 | Louis Schwartz | 7 | Son | None | Maryland |
| 70 | Dolores Schwartz | 5 | Daughter | None | Maryland |
| 71 | Frank Schwartz | 4 | Son | None | Maryland |
| 72 | Rita Schwartz | 3 | Daughter | None | Maryland |
| 73 | Elizabeth Schwartz | 1 | Daughter | None | Maryland |
| 74 | Mary Schwartz | 0 | Daughter | None | Maryland |
| 75 | Burton Hutchins | 22 | Head | Laborer | Maryland |
| 76 | Mildred Hutchins | 19 | Wife | None | Maryland |
| 77 | Burton Hutchins | 0 | Son | None | Maryland |
| 78 | John Hutchins | 0 | Son | None | Maryland |
| 79 | Mary Hutchins | 22 | Daughter | None | Maryland |
| 80 | Mildred Hutchins | 20 | Daughter | None | Maryland |
| 81 | Ruth Hutchins | 18 | Daughter | None | Maryland |
| 82 | Catherine Hutchins | 15 | Daughter | None | Maryland |
| 83 | Alice Hutchins | 12 | Daughter | None | Maryland |
| 84 | Josephine Hutchins | 7 | Daughter | None | Maryland |
| 85 | Dorothy Hutchins | 2 | Daughter | None | Maryland |
| 86 | Joseph Kratz | 40 | Head | Heater | Maryland |
| 87 | Mary Kratz | 40 | Wife | None | Maryland |
| 88 | Joseph Kratz | 15 | Son | None | Maryland |
| 89 | John Kratz | 12 | Son | None | Maryland |
| 90 | Henry Kratz | 10 | Son | None | Maryland |
| 91 | Elizabeth Kratz | 8 | Daughter | None | Maryland |
| 92 | Charles Kratz | 6 | Son | None | Maryland |
| 93 | William Kratz | 4 | Son | None | Maryland |
| 94 | Edward Kratz | 2 | Son | None | Maryland |
| 95 | Robert Kratz | 1 | Son | None | Maryland |
| 96 | Catherine Kratz | 0 | Daughter | None | Maryland |
| 97 | Mary Kratz | 62 | Mother | None | Germany |
| 98 | John Kratz | 42 | Brother | None | Maryland |
| 99 | William Kratz | 37 | Brother | None | Maryland |
| 100 | George Kratz | 35 | Brother | None | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)