BJ
Bertha Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butler-County, Iowa
Our Model Tree links this Bertha Jackson across the 1920, 1930 and 1940 US Censuses in Butler-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 4-person household.
Age 45
b. ~1895
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Iowa |
| Surname | Jackson |
| Given Name | Bertha E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Iowa |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Pittsford Township |
| Est. Birth Year | ~1895 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Bertha Jackson | Spouse | — | 45 | ~1895 |
| Ed Jackson | Head | — | 49 | ~1891 |
| Marcille Clemens | Daughter | — | 18 | ~1922 |
| Dallas Clemens | Other | — | 21 | ~1919 |
Census Appearances
1920
Butler, Iowa
Spouse, age 25
Butler, Iowa · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Bertha G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Butler, Iowa
Spouse, age 35
Butler, Iowa · implied b. ~1895 — 16 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Butler-County, Iowa
Spouse, age 45
Butler-County, Iowa · implied b. ~1895 — 4 household members
| Surname | Jackson |
| Given Name | Bertha E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Franklin |
| Class of Worker | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Iowa |
| 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 Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Jackson
Spouse · 1940 · age 45 · b. ~1895 · 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 — Butler-County, Iowa
Open full size
1940 US Federal Census — Butler-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01143-01032)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond Behrends | 13 | Son | — | Iowa |
| 2 | Russell J. Behrends | 10 | Son | — | Iowa |
| 3 | Mary L. Behrends | 8 | Daughter | — | Iowa |
| 4 | Harvey D. Behrends | 5 | Son | — | Iowa |
| 5 | Henry E. Brinkman | 71 | Head | Farmer | Iowa |
| 6 | Vern S. Bower | 37 | Head | Laborer | Iowa |
| 7 | Etta M. Bower | 30 | Wife | — | Iowa |
| 8 | Henry W. Salge | 41 | Head | Farmer | Iowa |
| 9 | Ida E. Salge | 40 | Wife | — | Iowa |
| 10 | Harold C. Salge | 19 | Son | — | Iowa |
| 11 | Ray Goodsell | 58 | Head | Farmer | Iowa |
| 12 | Pearl C. Goodsell | 58 | Wife | — | Iowa |
| 13 | Joseph E. Truex | 71 | Head | Farmer | Ohio |
| 14 | Elizabeth A. Truex | 65 | Wife | — | Wisconsin |
| 15 | W. Alpha Overturf | 71 | Head | Farmer | Iowa |
| 16 | Eva Overturf | 69 | Wife | — | Illinois |
| 17 | Robert W. Ziert | 30 | Head | Farmer | Wisconsin |
| 18 | Myrtle M. Ziert | 27 | Wife | — | Iowa |
| 19 | Fred Bower | 33 | Head | Farmer | Holland |
| 20 | Lucille H. Bower | 18 | Wife | — | Iowa |
| 21 | Ralph Bower | 66 | Father | Helper | Holland |
| 22 | Glenn Hearn | 70 | Head | Farmer | Iowa |
| 23 | Marie B. Hearn | 35 | Wife | — | Iowa |
| 24 | Ruth E. Hearn | 13 | Daughter | — | Iowa |
| 25 | Wilma J. Hearn | 11 | Daughter | — | Iowa |
| 26 | Merle G. Hearn | 5 | Son | — | Iowa |
| 27 | Ed M. Jackson | 49 | Head | Farmer | Iowa |
| 28 | Bertha E. Jackson THIS PERSON | 45 | Wife | — | Illinois |
| 29 | Dallas L. Clemens | 21 | Son-in-law | Laborer | Iowa |
| 30 | Marcille M. Clemens | 18 | Daughter | — | Iowa |
| 31 | Al Wendt | 48 | Head | Farmer | Iowa |
| 32 | Flossie F. Wendt | 45 | Wife | — | Iowa |
| 33 | Marlene A. Wendt | 17 | Daughter | — | Iowa |
| 34 | Frances L. Wendt | 8 | Daughter | — | Iowa |
| 35 | Ray W. Ford | 42 | Head | Farmer | Iowa |
| 36 | Gail G. Ford | 48 | Wife | — | Iowa |
| 37 | G. Beth Ford | 16 | Daughter | — | Iowa |
| 38 | Frank Minert | 80 | Father-in-law | — | Wisconsin |
| 39 | Almina E. Minert | 81 | Mother-in-law | — | Canada English |
| 40 | Charlotte E. Durand | 65 | Head | — | 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)