CR
Charles Robertson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Calhoun-County, Michigan
Our Model Tree links this Charles Robertson across the 1920, 1930 and 1940 US Censuses in Calhoun-County, Michigan (XGBoost, ~Confirmed), with identified parents George & Isabel — first a head (b.~1887), then head of a 4-person household.
Age 53
b. ~1887
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Calhoun-County, Michigan |
| Surname | Robertson |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Battle Creek |
| 1935 Residence (County) | Calhoun |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Labor |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 336 |
| Highest Grade | No 8 |
| 1935 Residence | Michigan |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Labor |
| Township / Ward | Battle Creek |
| Est. Birth Year | ~1887 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Robertson | Spouse | — | 45 | ~1895 |
| George Robertson | Son | — | 16 | ~1924 |
| Charles Robertson | Head | — | 53 | ~1887 |
| John Robertson | Son | — | 14 | ~1926 |
Census Appearances
1920
Calhoun, Michigan
Son, age 33
Calhoun, Michigan · implied b. ~1887 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1912 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Miller |
| Industry | Food Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | scotland |
1930
Calhoun, Michigan
Head, age 44
Calhoun, Michigan · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | Charles B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 36 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Laborer |
| Industry | Box Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 22.00 |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Calhoun-County, Michigan
Head, age 53
Calhoun-County, Michigan · implied b. ~1887 — 4 household members
| Surname | Robertson |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Battle Creek |
| 1935 Residence (County) | Calhoun |
| Naturalization Status | Naturalized |
| Occupation | Labor |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 336 |
| Highest Grade | No 8 |
| 1935 Residence | Michigan |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Charles Robertson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Robertson (~0.92 confidence) and mother Isabel Robertson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Robertson
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Isabel Robertson
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Robertson
Head · 1940 · age 53 · b. ~1887 · Michigan
★ 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 — Calhoun-County, Michigan
Open full size
1940 US Federal Census — Calhoun-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01736-00268)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Andrew Kane | 52 | Lodger | Stationary Engr | Michigan |
| 42 | Corpus Adams | 45 | Lodger | Labor | Michigan |
| 43 | Paul Gazardin | 28 | Lodger | Truck Driver | Indiana |
| 44 | O. Tis Krohn | 30 | Lodger | Pressman | Michigan |
| 45 | George Lazar | 48 | Lodger | Proprietor | Greece |
| 46 | Otto Nelson | 51 | Lodger | Checker | Wisconsin |
| 47 | Charles Robertson THIS PERSON | 53 | Head | Labor | Scotland |
| 48 | Dorothy Robertson | 45 | Wife | — | England |
| 49 | George Robertson | 16 | Son | — | Michigan |
| 50 | John Robertson | 14 | Son | — | Michigan |
| 51 | George Wagner | 37 | Head | Salesman | Illinois |
| 52 | Kathleen Wagner | 35 | Wife | Ironer | Canada-Eng |
| 53 | Clarabelle Wagner | 16 | Daughter | — | Michigan |
| 54 | Vivian Wagner | 14 | Daughter | — | Michigan |
| 55 | Rose Marie Wagner | 11 | Daughter | — | Michigan |
| 56 | James Wagner | 4 | Son | — | Michigan |
| 57 | Sarah Mccaron | 74 | Head | — | Michigan |
| 58 | James Wood | 54 | Head | Salesman | Michigan |
| 59 | Lois Wood | 50 | Wife | — | Michigan |
| 60 | Merle Jones | 25 | Head | Waiter | Michigan |
| 61 | Frances Jones | 20 | Wife | Packing | Indiana |
| 62 | Boyd Rocker | 45 | Head | Store Keeper | Pennsylvania |
| 63 | Vada Rocker | 41 | Wife | — | Iowa |
| 64 | John Bird | 40 | Head | Pharmacist | Michigan |
| 65 | Catherine Bird | 40 | Wife | — | Michigan |
| 66 | Claire Bird | 15 | Daughter | — | Michigan |
| 67 | Gus Hirakis | 28 | Head | Butcher | Illinois |
| 68 | Corinne Hirakis | 27 | Wife | Stenographer | Crete |
| 69 | Joseph Le Blanc | 58 | Head | Manager | Illinois |
| 70 | Edna Le Blanc | 50 | Wife | — | Michigan |
| 71 | Angela Le Blanc | 23 | Daughter | Accounting | Michigan |
| 72 | James Le Blanc | 19 | Son | Radio Service Man | Michigan |
| 73 | Thomas Pivonka | 44 | Head | Operator | Michigan |
| 74 | Cecelia Pivonka | 40 | Wife | Office | Michigan |
| 75 | Richard Pivonka | 9 | Son | — | Michigan |
| 76 | Max Miller | 26 | Head | Bottler | Michigan |
| 77 | Ruth Miller | 20 | Wife | — | Michigan |
| 78 | Lewis Miller | 1 | Son | — | Michigan |
| 79 | George Troll | 69 | Head | — | Michigan |
| 80 | Isabel Troll | 67 | Partner | — | Michigan |
Pedigree Summary
Charles
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)