RC
Robert Chambers — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kent-County, Michigan
Our Model Tree links this Robert Chambers across the 1930 and 1940 US Censuses in Kent-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 11-person household.
Age 19
b. ~1921
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kent-County, Michigan |
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Grand Rapids |
| 1935 Residence (County) | Kent |
| Additional Details | |
| Occupation | laborer |
| Industry | bag Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 156 |
| Highest Grade | H-1 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Laborer |
| Township / Ward | Grand Rapids Twp |
| Est. Birth Year | ~1921 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| R Chambers | Son | — | 2 | ~1938 |
| Dorothy Chambers | Daughter | — | 15 | ~1925 |
| Clyde Chambers | Head | — | 41 | ~1899 |
| James Chambers | Son | — | 7 | ~1933 |
| Beatrice Chambers | Spouse | — | 39 | ~1901 |
| Robert Chambers | Son | — | 19 | ~1921 |
| Catherine Chambers | Daughter | — | 9 | ~1931 |
| Mary Chambers | Daughter | — | 5 | ~1935 |
| Edward Chambers | Son | — | 18 | ~1922 |
| Richard Chambers | Son | — | 14 | ~1926 |
| Thomas Chambers | Son | — | 10 | ~1930 |
Census Appearances
1930
Kent, Michigan
Son, age 9
Kent, Michigan · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Kent-County, Michigan
Son, age 19
Kent-County, Michigan · implied b. ~1921 — 11 household members
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Grand Rapids |
| 1935 Residence (County) | Kent |
| Occupation | laborer |
| Industry | bag Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 156 |
| Highest Grade | H-1 |
| 1935 Residence | Michigan |
| 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 Robert Chambers across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Chambers
Son · 1940 · age 19 · b. ~1921 · Michigan
★ You are viewing this record
Sibling
Mary Chambers
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Chambers
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Chambers
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Chambers
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Chambers
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
R Chambers
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Chambers
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Chambers
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Kent-County, Michigan
Open full size
1940 US Federal Census — Kent-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01774-00829)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gloria E. Thee | 6 | daughter | — | Michigan |
| 2 | Ernest L. Thee | 5 | son | — | Michigan |
| 3 | Gertrude Thee | 3 | daughter | — | Michigan |
| 4 | John R. Thee | 1 | son | — | Michigan |
| 5 | Leroy Cudney | 34 | head | Stationery Fireman | Michigan |
| 6 | Priscilla Cudney | 33 | wife | Linework | Michigan |
| 7 | Donna M. Cudney | 12 | daughter | — | Michigan |
| 8 | Myron R. Cudney | 10 | son | — | Michigan |
| 9 | Regina Cudney | 8 | daughter | — | Michigan |
| 10 | Dorothy Cudney | 7 | daughter | — | Michigan |
| 11 | Linwood Cudney | 5 | son | — | Michigan |
| 12 | Gordon Cudney | 2 | son | — | Michigan |
| 13 | Shirley H. De Fouw | 39 | head | — | Michigan |
| 14 | Lloyd De Fouw | 19 | son | Repair Man | Michigan |
| 15 | Gordon De Fouw | 14 | son | — | Michigan |
| 16 | Marvin De Fouw | 12 | son | — | Michigan |
| 17 | Julia Peterman | 59 | lodger | Clerk - Sales | Germany |
| 18 | Clyde Chambers | 41 | head | Laborer | Michigan |
| 19 | Beatrice Chambers | 39 | wife | — | Michigan |
| 20 | Robert Chambers THIS PERSON | 19 | son | Laborer | Michigan |
| 21 | Edward Chambers | 18 | son | Laborer | Michigan |
| 22 | Dorothy Chambers | 15 | daughter | — | Michigan |
| 23 | Richard Chambers | 14 | son | — | Michigan |
| 24 | Thomas Chambers | 10 | son | — | Michigan |
| 25 | Catherine Chambers | 9 | daughter | — | Michigan |
| 26 | James Chambers | 7 | son | — | Michigan |
| 27 | Mary Ellen Chambers | 5 | daughter | — | Michigan |
| 28 | R. Perry Chambers | 2 | son | — | Michigan |
| 29 | Andrew Kolenbrander | 43 | head | Miter Sawer | Michigan |
| 30 | Lara Kolenbrander | 40 | wife | — | Oklahoma |
| 31 | Frederick Kamminga | 34 | head | Veneer Man | Netherlands |
| 32 | Mary Kamminga | 33 | wife | Linework | Netherlands |
| 33 | Eughert Kamminga | 57 | head | Machine Sander | Netherlands |
| 34 | Johanna Kamminga | 52 | wife | — | Netherlands |
| 35 | Hermina Kamminga | 24 | daughter | Inspector | Michigan |
| 36 | Josephine Kamminga | 15 | daughter | — | Michigan |
| 37 | John M. Kudla | 33 | head | Machine Operator | Indiana |
| 38 | Ruby C. Kudla | 27 | wife | — | Indiana |
| 39 | Jack T. Kudla | 4 | son | — | Indiana |
| 40 | James A. Kudla | 2 | son | — | 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)