BA
Bertha Adams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kalamazoo-County, Michigan
Our Model Tree links this Bertha Adams across the 1920, 1930 and 1940 US Censuses in Kalamazoo-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 3-person household.
Age 57
b. ~1883
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kalamazoo-County, Michigan |
| Surname | Adams |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Climax Twp |
| 1935 Residence (County) | Kalamazoo |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Climax Twp |
| Est. Birth Year | ~1883 |
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 |
|---|---|---|---|---|
| June Adams | Daughter | — | 16 | ~1924 |
| Bertha Adams | Spouse | — | 57 | ~1883 |
| Vernie Adams | Head | — | 63 | ~1877 |
Census Appearances
1920
Kalamazoo, Michigan
Spouse, age 37
Kalamazoo, Michigan · implied b. ~1883 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Bertha B |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Kalamazoo, Michigan
Other, age 47
Kalamazoo, Michigan · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Bertha E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 20 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Kalamazoo-County, Michigan
Spouse, age 57
Kalamazoo-County, Michigan · implied b. ~1883 — 3 household members
| Surname | Adams |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Climax Twp |
| 1935 Residence (County) | Kalamazoo |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 57 · b. ~1883 · Michigan
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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 — Kalamazoo-County, Michigan
Open full size
1940 US Federal Census — Kalamazoo-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01770-00197)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Simmons | 26 | Son | Assembler | Michigan |
| 42 | Glen Forney | 33 | Head | Laborer | Michigan |
| 43 | Mildred Forney | 30 | Wife | — | Michigan |
| 44 | Mildred Forney | 8 | Daughter | — | Michigan |
| 45 | Gordon Forney | 6 | Son | — | Michigan |
| 46 | Bryant Forney | 4 | Son | — | Michigan |
| 47 | Ethel Forney | 2 | Daughter | — | Michigan |
| 48 | Thomas Perry | 46 | Head | Butcher | Bohemia |
| 49 | Caroline Perry | 46 | Wife | Farmer | Bohemia |
| 50 | Harold Perkins | 31 | Head | Farmer | Michigan |
| 51 | Ruby Perkins | 27 | Wife | — | Michigan |
| 52 | Beverly Perkins | 6 | Daughter | — | Michigan |
| 53 | Harriet Perkins | 5 | Daughter | — | Michigan |
| 54 | John Perkins | 2 | Son | — | Michigan |
| 55 | John Perkins | 58 | Head | Farmer | Michigan |
| 56 | Harriett Perkins | 56 | Wife | — | Michigan |
| 57 | George Wise | 20 | Son | — | Michigan |
| 58 | Wilbert Johnson | 71 | Head | Farmer | Michigan |
| 59 | Florence Johnson | 65 | Wife | — | Germany |
| 60 | Peter Ehlers | 39 | Head | Farmer | Germany |
| 61 | Gertrude Ehlers | 34 | Wife | — | Germany |
| 62 | Vernie Adams | 63 | Head | Farmer | Michigan |
| 63 | Bertha Adams THIS PERSON | 57 | Wife | — | Michigan |
| 64 | June Adams | 16 | Daughter | — | Michigan |
| 65 | Clarence Adams | 26 | Head | Laborer | Michigan |
| 66 | Ruby Adams | 20 | Wife | — | Michigan |
| 67 | Betty Lou Adams | 0 | Daughter | — | Michigan |
| 68 | Alfred Parry | 60 | Head | Farmer | Ohio |
| 69 | Mary Parry | 49 | Wife | — | Ohio |
| 70 | Martin Swift | 69 | Head | Farmer | Michigan |
| 71 | Blanche Swift | 48 | Wife | — | Kansas |
| 72 | Edward Swift | 17 | Son | Laborer | Michigan |
| 73 | Roy Swift | 15 | Son | Laborer | Michigan |
| 74 | Adel Kish | 64 | Head | Farmer | Czecho Slovakia |
| 75 | Marie Kish | 63 | Wife | — | Czecho Slovakia |
| 76 | Marian Kish | 17 | Daughter | Helper | Missouri |
| 77 | Anthony Arkauskas | 22 | Son-in-law | Laborer | Illinois |
| 78 | Charlotte Arkauskas | 21 | Daughter | — | Missouri |
| 79 | Margaret Case | 44 | Head | Teacher | Michigan |
| 80 | Nell B Case | 73 | Mother | — | Michigan |
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)