BF
Bertha Fisher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this Bertha Fisher across the 1920, 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 2-person household.
Age 61
b. ~1879
Female
Head
Born: Iowa
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Fisher |
| Given Name | Bertha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Champaign |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Champaign |
| Est. Birth Year | ~1879 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Bertha Fisher | Head | — | 61 | ~1879 |
| Sarah Fisher | Daughter | — | 34 | ~1906 |
Census Appearances
1920
Champaign, Illinois
Head, age 41
Champaign, Illinois · implied b. ~1879 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fisher |
| Given Name | Bertha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Champaign, Illinois
Other, age 51
Champaign, Illinois · implied b. ~1879 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fischer |
| Given Name | Bertha A. |
| Relationship to Head | Head-H |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | Lodging Housekeeper |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 17,000 |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Champaign-County, Illinois
Head, age 61
Champaign-County, Illinois · implied b. ~1879 — 2 household members
| Surname | Fisher |
| Given Name | Bertha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Champaign |
| 1935 Residence (County) | Champaign |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Fisher across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha Fisher
Head · 1940 · age 61 · b. ~1879 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Champaign-County, Illinois
Open full size
1940 US Federal Census — Champaign-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00765-00368)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Catharine Simon | 45 | Wife | — | Iowa |
| 42 | Mary Ann Simon | 24 | Daughter | Assistant Supervisor | Illinois |
| 43 | Robert J. Simon | 22 | Son | Manager | Illinois |
| 44 | Eleanore Simon | 16 | Daughter | — | Illinois |
| 45 | Walter Schilling | 31 | Head | Manager | Illinois |
| 46 | Dorothy Schilling | 29 | Wife | — | Illinois |
| 47 | J. E. Ricketts | 61 | Head | — | Illinois |
| 48 | Harriett Ricketts | 59 | Wife | — | Illinois |
| 49 | Charles Creighton | 56 | Head | Salesman | Illinois |
| 50 | Mayme Creighton | 51 | Wife | — | Illinois |
| 51 | Leo Baadman | 49 | Head | — | Illinois |
| 52 | Leta Baadman | 46 | Wife | — | Illinois |
| 53 | Peggy Jean Baadman | 12 | Daughter | — | Illinois |
| 54 | John B. Jorgensen | 50 | Head | Manager | Denmark |
| 55 | Emil Bethort | 48 | Partner | — | Illinois |
| 56 | Clyde B. Doolen | 42 | Head | Telephone | Illinois |
| 57 | Rhett Doolen | 39 | Wife | — | Illinois |
| 58 | Shirley Doolen | 13 | Daughter | — | Illinois |
| 59 | Max Doolen | 13 | Son | — | Illinois |
| 60 | Bertha Fisher THIS PERSON | 61 | Head | — | Iowa |
| 61 | Sarah Fisher | 34 | Daughter | Teacher | Illinois |
| 62 | Russell L. Earl | 47 | Head | Building Contractor | Illinois |
| 63 | Mary Earl | 36 | Wife | — | Illinois |
| 64 | William F. Woods | 63 | Head | Attorney-At-Law | Illinois |
| 65 | Mary C. Woods | 59 | Wife | — | Illinois |
| 66 | William F. Jr. Woods | 27 | Son | Attorney-At-Law | Illinois |
| 67 | Paul J. Woods | 23 | Son | — | Illinois |
| 68 | John T. Woods | 21 | Son | Salesman | Illinois |
| 69 | Margaret Mary Woods | 18 | Daughter | — | Illinois |
| 70 | Frank Campbell | 34 | Head | — | Vermont |
| 71 | Wayne Mcilvain | 31 | Head | Barber | Indiana |
| 72 | Tabena Mcilvain | 30 | Wife | — | Indiana |
| 73 | Shirley Jean Mcilvain | 10 | Daughter | — | Illinois |
| 74 | William Mcilvain | 9 | Son | — | Illinois |
| 75 | Stella C. Schutt | 58 | Head | Secretary | Indiana |
| 76 | Sarahell Schutt | 21 | Daughter | Stenographer | Illinois |
| 77 | Alita Morrow | 44 | Head | Bookkeeper | Illinois |
| 78 | Shirley Morrow | 17 | Daughter | — | Illinois |
| 79 | Jane Morrow | 15 | Daughter | — | Illinois |
| 80 | Elizabeth Peterson | 75 | Mother | — | Ireland |
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)