BS
Bertha Schmidt — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Champaign, Illinois
Our Model Tree links this Bertha Schmidt across the 1920 and 1930 US Censuses in Champaign, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 8-person household.
Age 15
b. ~1915
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Champaign, Illinois |
| Surname | Schmidt |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Rantoul Township |
| Est. Birth Year | ~1915 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Eveline Schmidt | Daughter | — | 6 | ~1924 |
| Rolf Schmidt | Head | — | 43 | ~1887 |
| Regina Schmidt | Other | — | 18 | ~1912 |
| Elmer Schmidt | Son | — | 16 | ~1914 |
| Bertha Schmidt | Daughter | — | 15 | ~1915 |
| Cecelia Schmidt | Daughter | — | 3 | ~1927 |
| Theodore Schmidt | Son | — | 1 | ~1929 |
| Robert Schmidt | Son | — | 10 | ~1920 |
Census Appearances
1920
Champaign, Illinois
Daughter, age 5
Champaign, Illinois · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Bertha E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Champaign, Illinois
Daughter, age 15
Champaign, Illinois · implied b. ~1915 — 8 household members
| Surname | Schmidt |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Bertha Schmidt across 2 US Census years (1920 and 1930) in Champaign, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Schmidt
Daughter · 1930 · age 15 · b. ~1915 · Illinois
★ You are viewing this record
Sibling
Theodore Schmidt
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Schmidt
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Schmidt
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eveline Schmidt
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecelia Schmidt
Sibling · 1930 · age 3
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 — Champaign, Illinois
Open full size
1930 US Federal Census — Champaign, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel410:0268)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold L Stevens | 1 | Son | — | Illinois |
| 2 | Victor E Strom | 29 | Head | Farmer | Illinois |
| 3 | Theda B Strom | 27 | Wife-H | — | Illinois |
| 4 | Myra C Strom | 6 | Daughter | — | Illinois |
| 5 | Melvin L Strom | 3 | Son | — | Illinois |
| 6 | Marie L Strom | 1 | Daughter | — | Illinois |
| 7 | Richie J Ehler | 42 | Head | Farmer | Illinois |
| 8 | Minnie H Ehler | 37 | Wife-H | — | Illinois |
| 9 | Walter D Ehler | 13 | Son | — | Illinois |
| 10 | Elmer J Ehler | 11 | Son | — | Illinois |
| 11 | Herbert E Ehler | 9 | Son | — | Illinois |
| 12 | Edwin E Ehler | 3 | Son | — | Illinois |
| 13 | John J Jr Ehler | 36 | Head | Farmer | Illinois |
| 14 | Ida J Ehler | 32 | Wife-H | — | Illinois |
| 15 | Nora J Ehler | 10 | Daughter | — | Illinois |
| 16 | Irene M Ehler | 7 | Daughter | — | Illinois |
| 17 | Roy E Ehler | 5 | Son | — | Illinois |
| 18 | William H Henning | 31 | Head | Farmer | Germany |
| 19 | Johana H Henning | 26 | Wife-H | — | Germany |
| 20 | Margaret H Henning | 3 | Daughter | — | Illinois |
| 21 | Wilda H Henning | 1 | Daughter | — | Illinois |
| 22 | Robert P Christian | 25 | Head | Salesman | Illinois |
| 23 | Ida O Christian | 27 | Wife-H | — | Illinois |
| 24 | Norma A Christian | 1 | Daughter | — | Illinois |
| 25 | John H Ehler | 71 | Father-in-law | Farmer | Germany |
| 26 | John D Wocker | 67 | Head | Farmer | Germany |
| 27 | Anna M Wocker | 57 | Wife-H | — | Illinois |
| 28 | Anna M Wocker | 20 | Daughter | — | Illinois |
| 29 | Lena H Wocker | 17 | Daughter | — | Illinois |
| 30 | Ida D Wocker | 16 | Daughter | — | Illinois |
| 31 | John F Munning | 44 | Head | Farmer | Germany |
| 32 | Clara M Munning | 36 | Wife-H | — | Illinois |
| 33 | Freda G Munning | 15 | Daughter | — | Illinois |
| 34 | Erma M Munning | 10 | Daughter | — | Illinois |
| 35 | Edgar G Munning | 3 | Son | — | Illinois |
| 36 | Joe Johnson | 23 | Head | Farmer | Illinois |
| 37 | Lena J Johnson | 23 | Wife-H | — | Illinois |
| 38 | John M Johnson | 1 | Son | — | Illinois |
| 39 | Rolf E Schmidt | 43 | Head | Farmer | Illinois |
| 40 | Regina Schmidt | 18 | Daughter-H | — | Illinois |
| 41 | Elmer P Schmidt | 16 | Son | — | Illinois |
| 42 | Bertha Schmidt THIS PERSON | 15 | Daughter | — | Illinois |
| 43 | Robert Schmidt | 10 | Son | — | Illinois |
| 44 | Eveline Schmidt | 6 | Daughter | — | Illinois |
| 45 | Cecelia Schmidt | 3 | Daughter | — | Illinois |
| 46 | Theodore Schmidt | 1 | Son | — | Illinois |
| 47 | Margaretha Schmidt | 67 | Head | — | Germany |
| 48 | Folka N Albers | 78 | Head | — | Germany |
| 49 | Gens Rewerts | 58 | Head | Farmer | Germany |
| 50 | Minnie Rewerts | 55 | Wife-H | — | Illinois |
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)