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John Schwartz — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Buffalo, Wisconsin
Our Model Tree links this John Schwartz across the 1930 and 1940 US Censuses in Buffalo, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 14-person household.
Age 10
b. ~1920
Male
Son
Born: Wisconsin
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Buffalo, Wisconsin |
| Surname | Schwartz |
| Given Name | John R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Nelson Town |
| Est. Birth Year | ~1920 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Catherine Singer | Other | — | 46 | ~1884 |
| Benjamin Schwartz | Son | — | 21 | ~1909 |
| Louis Wiegela | Head | — | 68 | ~1862 |
| Annie Schwartz | Other | — | 45 | ~1885 |
| Herman Schwartz | Son | — | 24 | ~1906 |
| Lester Wiegela | Son | — | 13 | ~1917 |
| Rudolph Schwartz | Other | — | 55 | ~1875 |
| Frank Singer | Other | — | 50 | ~1880 |
| Bernice Wiegela | Daughter | — | 8 | ~1922 |
| Otto Wiegela | Son | — | 22 | ~1908 |
| John Schwartz | Son | — | 10 | ~1920 |
| Ruby Schwartz | Daughter | — | 6 | ~1924 |
| Emma Wiegela | Other | — | 52 | ~1878 |
| Louis Wiegela | Son | — | 17 | ~1913 |
Census Appearances
1930
Buffalo, Wisconsin
Son, age 10
Buffalo, Wisconsin · implied b. ~1920 — 14 household members
| Surname | Schwartz |
| Given Name | John R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Buffalo-County, Wisconsin
Son, age 20
Buffalo-County, Wisconsin · implied b. ~1920 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swartz |
| Given Name | John R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Buffalo |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 10 · b. ~1920 · Wisconsin
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Sibling
Bernice Wiegela
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Schwartz
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Wiegela
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Schwartz
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Wiegela
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Otto Wiegela
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Schwartz
Sibling · 1930 · age 21
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 — Buffalo, Wisconsin
Open full size
1930 US Federal Census — Buffalo, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2563unit:0314)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lucille R. Larson | 2 | Daughter | — | Wisconsin |
| 52 | Junior S. Larson | 0 | Son | — | Wisconsin |
| 53 | Andrew S. Jamison | 50 | Head | Labourer | Pennsylvania |
| 54 | Adelia B. Jamison | 23 | Wife-H | — | Wisconsin |
| 55 | Catherine M. Jamison | 5 | Daughter | — | Wisconsin |
| 56 | Andrew G. Jamison | 3 | Son | — | Wisconsin |
| 57 | Margery M. Jamison | 2 | Daughter | — | Wisconsin |
| 58 | Sonora M. Jamison | 0 | Daughter | — | Wisconsin |
| 59 | John Schamann | 26 | Head | Farmer | Wisconsin |
| 60 | Gertrude C. Schamann | 24 | Wife-H | — | Minnesota |
| 61 | John Maasren | 41 | Head | Farmer | Illinois |
| 62 | Luella A. Maasren | 36 | Wife-H | — | Wisconsin |
| 63 | Adolph R. Maasren | 14 | Son | — | Wisconsin |
| 64 | Fern K. Maasren | 9 | Daughter | — | Wisconsin |
| 65 | Alma A. Maasren | 4 | Daughter | — | Wisconsin |
| 66 | Ulrich Ringgenberg | 71 | Lodger | — | Switzerland |
| 67 | Christian Anclat | 50 | Head | Farmer | Wisconsin |
| 68 | Casper Anclat | 58 | Brother | Farm Labourer | Wisconsin |
| 69 | Jacob Anclat | 54 | Brother | Farm Labourer | Wisconsin |
| 70 | Emil Auer | 33 | Head | Salesman | Wisconsin |
| 71 | Lilian Auer | 35 | Wife-H | — | Wisconsin |
| 72 | Lyle E. Auer | 7 | Son | — | Wisconsin |
| 73 | Betty A. Auer | 4 | Daughter | — | Wisconsin |
| 74 | Alfred Finder | 35 | Head | Labourer | Wisconsin |
| 75 | Lola R. Finder | 26 | Wife-H | — | Wisconsin |
| 76 | Wallace A. Finder | 9 | Son | — | Wisconsin |
| 77 | Kenneth G. Finder | 5 | Son | — | Wisconsin |
| 78 | Joyce E. Finder | 2 | Daughter | — | Wisconsin |
| 79 | Donald L. Finder | 0 | Son | — | Wisconsin |
| 80 | John Hartman | 60 | O | Farmer | Wisconsin |
| 81 | Lettie S. Hartman | 58 | Wife-H | — | Wisconsin |
| 82 | Walter Hartman | 27 | Son | Farm Labourer | Wisconsin |
| 83 | Esther Hartman | 23 | Daughter | Teacher | Wisconsin |
| 84 | Wilma Hartman | 20 | Daughter | Teacher | Wisconsin |
| 85 | Johnnie R. Hartman | 17 | Son | Farm Labourer | Wisconsin |
| 86 | Duane S. Hartman | 4 | Grandson | — | Wisconsin |
| 87 | Louis Wiegela | 68 | Head | Farmer | Missouri |
| 88 | Emma Wiegela | 52 | Wife-H | — | Wisconsin |
| 89 | Otto E. Wiegela | 22 | Son | Farm Labourer | Wisconsin |
| 90 | Louis E. Wiegela | 17 | Son | — | Wisconsin |
| 91 | Lester Wiegela | 13 | Son | — | Wisconsin |
| 92 | Bernice L. Wiegela | 8 | Daughter | — | Wisconsin |
| 93 | Rudolph Schwartz | 55 | O | Farmer | Germany |
| 94 | Annie Schwartz | 45 | Wife-H | — | Germany |
| 95 | Herman F. W. Schwartz | 24 | Son | Labourer | Wisconsin |
| 96 | Benjamin W. Schwartz | 21 | Son | Farm Labourer | Wisconsin |
| 97 | John R. Schwartz THIS PERSON | 10 | Son | — | Wisconsin |
| 98 | Ruby R. Schwartz | 6 | Daughter | — | Wisconsin |
| 99 | Frank M. Singer | 50 | O | Farmer | Wisconsin |
| 100 | Catherine A. Singer | 46 | Wife-H | — | Wisconsin |
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)