RP
Robert Pearson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kalamazoo-County, Michigan
Our Model Tree links this Robert Pearson across the 1930 and 1940 US Censuses in Kalamazoo-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kalamazoo-County, Michigan |
| Surname | Pearson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | South Westnedge |
| 1935 Residence (County) | Kalamazoo |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | GW |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | New Worker |
| Township / Ward | South Westnedge |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Pearson | Son | — | 23 | ~1917 |
| Ray Wicks | Other | — | 25 | ~1915 |
| Margaret Pearson | Daughter | — | 27 | ~1913 |
| Lewis Pearson | Son | — | 20 | ~1920 |
| Walter Pearson | Son | — | 14 | ~1926 |
| Cedric Pearson | Son | — | 16 | ~1924 |
| George Pearson | Head | — | 57 | ~1883 |
| Hazel Pearson | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Kalamazoo, Michigan
Other, age 12
Kalamazoo, Michigan · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pierson |
| Given Name | Robert |
| Relationship to Head | Grand-son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Kalamazoo-County, Michigan
Son, age 23
Kalamazoo-County, Michigan · implied b. ~1917 — 8 household members
| Surname | Pearson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | South Westnedge |
| 1935 Residence (County) | Kalamazoo |
| Occupation | New Worker |
| Class of Worker | GW |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 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 Robert Pearson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Pearson
Son · 1940 · age 23 · b. ~1917 · Michigan
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Sibling
Margaret Pearson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Pearson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cedric Pearson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Pearson
Sibling · 1940 · age 20
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 — 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-t0627-01773-00085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Warren S. Henry | 35 | Head | Salesman | Illinois |
| 2 | Kathleen Henry | 35 | Wife | — | Illinois |
| 3 | Hope Henry | 2 | Daughter | — | Michigan |
| 4 | Bertha Henry | 70 | Mother | — | Illinois |
| 5 | Frederick J. Sopjes | 24 | Head | Bookkeeper | Michigan |
| 6 | Leona Sopjes | 22 | Wife | — | Michigan |
| 7 | Irving Dunham | 42 | Head | Foreman | Michigan |
| 8 | Gertrude Dunham | 36 | Wife | — | Netherlands |
| 9 | Jeanette Dunham | 13 | Daughter | — | Michigan |
| 10 | Mary Dunham | 10 | Daughter | — | Michigan |
| 11 | Orlet S. Haas | 59 | Head | Salesman | Michigan |
| 12 | Mabel Haas | 62 | Wife | — | Michigan |
| 13 | Rosa Helen Haas | 31 | Daughter | Secretary | Michigan |
| 14 | Roberta Haas | 26 | Daughter | Secretary | Michigan |
| 15 | Francis Welch | 29 | Head | Printer | Oklahoma |
| 16 | Freda Welch | 28 | Wife | — | Michigan |
| 17 | Stephen Welch | 7 | Son | — | Michigan |
| 18 | Lawrence Welch | 4 | Son | — | Michigan |
| 19 | Margaret Welch | 0 | Infant | — | Michigan |
| 20 | Opal Welch | 21 | Sister | Office Work | Michigan |
| 21 | Leroy C. Rogers | 35 | Head | Manual Labor | Michigan |
| 22 | Grace Rogers | 40 | Wife | Manager | Michigan |
| 23 | Virginia Shaffer | 17 | Step-daughter | Clerk | Michigan |
| 24 | Lulu Garlick | 65 | Mother-in-law | — | Michigan |
| 25 | Frank Ehlow | 39 | Head | Building Contractor | Netherlands |
| 26 | Hilda Ehlow | 38 | Wife | — | Netherlands |
| 27 | John Ehlow | 12 | Son | — | Michigan |
| 28 | Anthony Ehlow | 8 | Son | — | Michigan |
| 29 | Frank Ehlow | 5 | Son | — | Michigan |
| 30 | Mary Ehlow | 3 | Daughter | — | Michigan |
| 31 | Albert Heitman | 36 | Head | Labor | Germany |
| 32 | Martha Heitman | 35 | Wife | Housekeeper | Germany |
| 33 | George Pearson | 57 | Head | Engineer | England |
| 34 | Hazel Pearson | 45 | Wife | — | Michigan |
| 35 | Margaret Pearson | 27 | Daughter | Nurse | Michigan |
| 36 | Robert Pearson THIS PERSON | 23 | Son | New Worker | Michigan |
| 37 | Lewis Pearson | 20 | Son | — | Michigan |
| 38 | Cedric Pearson | 16 | Son | — | Michigan |
| 39 | Walter Pearson | 14 | Son | — | Michigan |
| 40 | Ray Wicks | 25 | Lodger | Road Work | Texas |
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)