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Emma Butler — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cerro-Gordo-County, Iowa
Our Model Tree links this Emma Butler across the 1930 and 1940 US Censuses in Cerro-Gordo-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 6-person household.
Age 49
b. ~1891
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cerro-Gordo-County, Iowa |
| Surname | Butler |
| Given Name | Emma K. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Additional Details | |
| Occupation | Librarian |
| Industry | Public Library |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 44 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Librarian |
| Township / Ward | Mason City |
| Est. Birth Year | ~1891 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| David Butler | Son | — | 11 | ~1929 |
| Charles Butler | Son | — | 17 | ~1923 |
| Emma Butler | Spouse | — | 49 | ~1891 |
| William Butler | Head | — | 51 | ~1889 |
| Howard Butler | Son | — | 15 | ~1925 |
| William Butler | Son | — | 20 | ~1920 |
Census Appearances
1930
Cerro Gordo, …
Spouse, age 39
Cerro Gordo, Iowa · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 26 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cerro-Gordo-County, Iowa
Spouse, age 49
Cerro-Gordo-County, Iowa · implied b. ~1891 — 6 household members
| Surname | Butler |
| Given Name | Emma K. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Occupation | Librarian |
| Industry | Public Library |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 44 |
| Highest Grade | C-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 Emma Butler across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Emma Butler
Spouse · 1940 · age 49 · b. ~1891 · Iowa
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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 — Cerro-Gordo-County, Iowa
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1940 US Federal Census — Cerro-Gordo-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01146-00596)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John F. Malon | 47 | Head | Painter | Wisconsin |
| 2 | Margaret Malon | 43 | Wife | — | Iowa |
| 3 | Marylayne Malon | 18 | Daughter | — | Iowa |
| 4 | Stanton J. Malon | 15 | Son | — | Iowa |
| 5 | Clayton A. Malon | 14 | Son | — | Iowa |
| 6 | Blayne S. Malon | 11 | Daughter | — | Iowa |
| 7 | Jerry E. Malon | 9 | Son | — | Iowa |
| 8 | Richard N. Malon | 7 | Son | — | Iowa |
| 9 | Lucretia L. Malon | 5 | Daughter | — | Iowa |
| 10 | Ruth L. Darcey | 23 | Daughter | — | Iowa |
| 11 | James E. Darcey | 4 | Grandson | — | Iowa |
| 12 | John F. Darcey | 2 | Grandson | — | Iowa |
| 13 | William H. Hannaman | 56 | Head | Sales Lady | South Dakota |
| 14 | Effie G. Hannaman | 50 | Wife | — | Iowa |
| 15 | George F. Hannaman | 21 | Son | Conductor | Iowa |
| 16 | Benjamin Gabbert | 70 | Head | — | Iowa |
| 17 | Lulu F. Gabbert | 59 | Wife | Plant Engineer | Iowa |
| 18 | William F. Butler | 51 | Head | — | Iowa |
| 19 | Emma K. Butler THIS PERSON | 49 | Wife | Librarian | Iowa |
| 20 | William H. Butler | 20 | Son | Surveyor | Iowa |
| 21 | Charles L. Butler | 17 | Son | — | Iowa |
| 22 | Howard C. Butler | 15 | Son | — | Iowa |
| 23 | David J. Butler | 11 | Son | — | Iowa |
| 24 | Clarence R. Halden | 60 | Head | Proprietor | Canada (English) |
| 25 | Mrs. Helen Halden | None | Raymond | 44 | 7 |
| 26 | Bertha M. Halden | 31 | Wife | — | Iowa |
| 27 | Shirley J. Halden | 13 | Daughter | — | Iowa |
| 28 | Charles R. Halden | 11 | Son | — | Iowa |
| 29 | Emma M. Crumb | 71 | Head | — | Minnesota |
| 30 | Charles R. Crumb | 49 | Step son | — | Minnesota |
| 31 | Leonard H. Crumb | 38 | Son | Clerk | Iowa |
| 32 | Clara Blunt | 67 | Head | Collector | Illinois |
| 33 | Betty J. Brown | 11 | Granddaughter | Maid | Iowa |
| 34 | Marilyn J. Brown | 8 | Granddaughter | — | Iowa |
| 35 | John R. Currier | 25 | Head | Auctioneer | Iowa |
| 36 | Darlene Currier | 24 | Wife | Clerk Typist | Iowa |
| 37 | Sandra Currier | 2 | Daughter | — | Iowa |
| 38 | Minnie Stuce | 63 | Head | — | Iowa |
| 39 | Charles R. Mason | 51 | Head | Proofreader | Iowa |
| 40 | Grace M. Mason | 56 | Wife | — | Iowa |
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)