BA
Bertha Adams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Bertha Adams across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 3-person household.
Age 61
b. ~1879
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Adams |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Springfield |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| John Adams | Head | — | 69 | ~1871 |
| Bertha Adams | Spouse | — | 61 | ~1879 |
| Henry Adams | Son | — | 32 | ~1908 |
Census Appearances
1920
Sangamon, Illinois
Spouse, age 41
Sangamon, Illinois · implied b. ~1879 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Spouse, age 51
Sangamon, Illinois · implied b. ~1879 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 25 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Spouse, age 61
Sangamon-County, Illinois · implied b. ~1879 — 3 household members
| Surname | Adams |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Sangamon |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Adams 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 Adams
Spouse · 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 — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00886-00419)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alexine Yoggerst | 28 | Daughter | — | Iowa |
| 42 | Carolyn Yoggerst | 3 | Grand Daughter | — | Wisconsin |
| 43 | Cathleen Yoggerst | 0 | Grand Daughter | — | Illinois |
| 44 | John A. Adams | 69 | Head | Custodian | Illinois |
| 45 | Bertha Adams THIS PERSON | 61 | Wife | — | Illinois |
| 46 | Henry Adams | 32 | Son | Draftsman | Illinois |
| 47 | Kenneth Hand | 39 | Head | General Repair | England |
| 48 | Anna Hand | 36 | Wife | — | Illinois |
| 49 | Kenneth Hand | 18 | Son | — | Illinois |
| 50 | Vyetta Hand | 16 | Daughter | — | Illinois |
| 51 | Joseph Fox | 20 | Brother-in-law | Delivery Man | Illinois |
| 52 | Jacob Henne | 76 | Head | — | Illinois |
| 53 | Laura Henne | 73 | Wife | — | Illinois |
| 54 | Robert Henne | 36 | Son | Branch Manager | Illinois |
| 55 | Francis Taylor | 75 | Sister-in-law | — | Illinois |
| 56 | Calvin Cohn | 35 | Head | Driver Salesman | Missouri |
| 57 | Nettie B. Cohn | 25 | Wife | — | Illinois |
| 58 | Marilyn G. Cohn | 5 | Daughter | — | Illinois |
| 59 | Norman Cohn | 4 | Son | — | Illinois |
| 60 | Albert W. Cohn | 2 | Son | — | Illinois |
| 61 | Adysia Cohn | 0 | Daughter | — | Illinois |
| 62 | John B. Higgins | 30 | Head | Bookkeeper | Illinois |
| 63 | Beatrice Higgins | 31 | Wife | Saleslady | Illinois |
| 64 | John Dixon | 73 | Head | — | Illinois |
| 65 | Nettie Dixon | 71 | Wife | — | Illinois |
| 66 | John E. Dye | 62 | Head | Carpenter | Nebraska |
| 67 | Charity Dye | 60 | Wife | — | Illinois |
| 68 | Marian Dye | 30 | Daughter | Director Of Child Hyg. | Illinois |
| 69 | Madelyn Dye | 25 | Daughter | — | Illinois |
| 70 | John Dye | 21 | Son | — | Illinois |
| 71 | Robert Dye | 14 | Son | — | Illinois |
| 72 | James Ray | 82 | Brother-in-law | — | Missouri |
| 73 | Mary | 77 | Head | — | Kentucky |
| 74 | Eva Dixon | 40 | House-Keeper | House Keeper | Illinois |
| 75 | Edmund Jr. Burke | 34 | Head | Division Clerk | Illinois |
| 76 | Ruth Burke | 31 | Wife | — | Illinois |
| 77 | Mary J. Burke | 5 | Daughter | — | Illinois |
| 78 | Leslie Edwards | 46 | Head | Barber | Illinois |
| 79 | Opal Edwards | 41 | Wife | — | Illinois |
| 80 | Wayne Edwards | 24 | Son | Salesman | Illinois |
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)