NB
Nellie Baker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wapello-County, Iowa
Our Model Tree links this Nellie Baker across the 1920, 1930 and 1940 US Censuses in Wapello-County, Iowa (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1890), then head of a 2-person household.
Age 50
b. ~1890
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wapello-County, Iowa |
| Surname | Baker |
| Given Name | Nellie M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (County) | Wapello County |
| Additional Details | |
| Occupation | public school |
| Industry | W |
| Class of Worker | 1200 |
| Highest Grade | C 2 |
| 1935 Residence | 35 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Public School |
| Township / Ward | Ottumwa City |
| Est. Birth Year | ~1890 |
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 Nellie | Age | Birth yr |
|---|---|---|---|---|
| Evie Baker | Head | — | 72 | ~1868 |
| Nellie Baker | Daughter | — | 50 | ~1890 |
Census Appearances
1920
Wapello, Iowa
Daughter, age 29
Wapello, Iowa · implied b. ~1891 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | Nellie M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Iowa |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Wapello, Iowa
Daughter, age 39
Wapello, Iowa · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | Nelly M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Iowa |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Wapello-County, Iowa
Daughter, age 50
Wapello-County, Iowa · implied b. ~1890 — 2 household members
| Surname | Baker |
| Given Name | Nellie M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (County) | Wapello County |
| Occupation | public school |
| Industry | W |
| Class of Worker | 1200 |
| Highest Grade | C 2 |
| 1935 Residence | 35 |
| 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 Nellie Baker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Baker (~0.92 confidence) and father John Baker (~0.92 confidence) and mother Eva Baker (~0.92 confidence) and mother Evie Baker (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Baker
b. ~1867
Source father
● Household
· direct · ~0.92
Father
John Baker
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Eva Baker
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Evie Baker
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Nellie Baker
Daughter · 1940 · age 50 · b. ~1890 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Wapello-County, Iowa
Open full size
1940 US Federal Census — Wapello-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01209-00411)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert L Swanson | 1 | Son | — | Iowa |
| 2 | Evie Baker | 72 | Head | — | Iowa |
| 3 | Nellie M Baker THIS PERSON | 50 | Daughter | Public School | Iowa |
| 4 | Helen Marty | 69 | Head | — | Iowa |
| 5 | John J Clancy | 34 | Head | Meat Packing | Missouri |
| 6 | Iola M Clancy | 29 | Wife | — | Iowa |
| 7 | Ida Clancy | 10 | Daughter | — | Iowa |
| 8 | Lyle E Clancy | 8 | Son | — | Iowa |
| 9 | Ina P Clancy | 5 | Daughter | — | Iowa |
| 10 | Leo J Clancy | 4 | Son | — | Iowa |
| 11 | Bruce Caldwell | 34 | Head | Laborer | Iowa |
| 12 | Lynn Caldwell | 26 | Wife | Laborer | South Dakota |
| 13 | Gilbert Russell | 34 | Lodger | 40 | Iowa |
| 14 | Glen E Walker | 30 | Head | Creamery | Iowa |
| 15 | Della M Walker | 26 | Wife | — | Illinois |
| 16 | Patrick L Walker | 1 | Son | — | Iowa |
| 17 | Clarence Warnock | 20 | Head | Meat Packing | Iowa |
| 18 | Gwendolyn Warnock | 19 | Wife | — | Indiana |
| 19 | Mary E Young | 70 | Head | — | Illinois |
| 20 | James B Young | 40 | Son | Wholesale Grocery | Illinois |
| 21 | Mary Kaler | 43 | Daughter | Creamery | Illinois |
| 22 | Betty Kaler | 15 | Granddaughter | — | Iowa |
| 23 | Jesse Hagan | 51 | Lodger | Farm Implement | Illinois |
| 24 | Robert C Velten | 46 | Head | Railroad | Missouri |
| 25 | Beulah H Velten | 41 | Wife | — | Iowa |
| 26 | Stephen J Velten | 17 | Daughter | — | Iowa |
| 27 | Ernest Robins | 28 | Head | — | Iowa |
| 28 | Martha R Robins | 19 | Wife | — | Missouri |
| 29 | Jerry Robins | 3 | Son | — | Iowa |
| 30 | Minnie Morrison | 46 | Head | — | Iowa |
| 31 | Raymond E Morrison | 14 | Son | — | Iowa |
| 32 | Betty J Morrison | 11 | Daughter | — | Iowa |
| 33 | Barbara J Morrison | 8 | Daughter | — | Iowa |
| 34 | Mary Morrison | 5 | Daughter | — | Iowa |
| 35 | Edward Helper | 44 | Head | Meat Packing | Iowa |
| 36 | Effie Helper | 45 | Wife | Meat Packing | Iowa |
| 37 | Robert Helper | 23 | Son | Meat Packing | Iowa |
| 38 | Doris Helper | 21 | Daughter | Meat Packing | Iowa |
| 39 | Mary E Helper | 13 | Daughter | — | Iowa |
| 40 | Dale Helper | 10 | Son | — | Iowa |
Pedigree Summary
Nellie
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)