RD
Robert Duncan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Saginaw-County, Michigan
Our Model Tree links this Robert Duncan across the 1920, 1930 and 1940 US Censuses in Saginaw-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 3-person household.
Age 76
b. ~1864
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Saginaw-County, Michigan |
| Surname | Duncan |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Saginaw City |
| 1935 Residence (County) | Saginaw |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Caretaker |
| Industry | Power company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 740 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Caretaker |
| Township / Ward | Saginaw City |
| Est. Birth Year | ~1864 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| John Duncan | Son | — | 42 | ~1898 |
| Charlotte Duncan | Spouse | — | 77 | ~1863 |
| Robert Duncan | Head | — | 76 | ~1864 |
Census Appearances
1920
Saginaw, Michigan
Head, age 57
Saginaw, Michigan · implied b. ~1863 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1879 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | janitor |
| Industry | factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Scotland |
| Year of Naturalization | 1919 |
| Birthplace (normalized) | scotland |
1930
Saginaw, Michigan
Head, age 66
Saginaw, Michigan · implied b. ~1864 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1870 |
| Age at First Marriage | 27 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Janitor |
| Industry | Gas Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 25.00 |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Saginaw-County, Michigan
Head, age 76
Saginaw-County, Michigan · implied b. ~1864 — 3 household members
| Surname | Duncan |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Saginaw City |
| 1935 Residence (County) | Saginaw |
| Naturalization Status | Naturalized |
| Occupation | Caretaker |
| Industry | Power company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 740 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| 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 Robert Duncan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Robert Duncan
Head · 1940 · age 76 · b. ~1864 · 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 — Saginaw-County, Michigan
Open full size
1940 US Federal Census — Saginaw-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01813-00507)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles F. Bowman | 60 | Head | Insurance Agent | Michigan |
| 2 | Glenn Morgan | 53 | Head | Telegraph Feeder | Michigan |
| 3 | James D. Morgan | 44 | Wife | — | Michigan |
| 4 | Theodore Book | 70 | Head | — | Canada-Eng |
| 5 | Edna D. Book | 70 | Wife | — | Michigan |
| 6 | Charles Ladousa | 61 | Head | — | Michigan |
| 7 | Lyla Ladousa | 66 | Wife | — | Canada-Fr |
| 8 | Charles Taut | 28 | Head | Cashier | Michigan |
| 9 | Dorothy S. Taut | 25 | Wife | — | Michigan |
| 10 | Herman Hanycak | 33 | Head | Janitor | Michigan |
| 11 | Anna Hanycak | 29 | Wife | — | Michigan |
| 12 | Gail A. Hanycak | 5 | Daughter | — | Michigan |
| 13 | Duane Hanycak | 1 | Son | — | Michigan |
| 14 | Mckinley Sanders | 39 | Head | Waiter | Texas |
| 15 | Erma Sanders | 39 | Wife | — | Nebraska |
| 16 | Mary Lou Sanders | 12 | Daughter | — | Nebraska |
| 17 | Betty June Sanders | 9 | Daughter | — | Michigan |
| 18 | Carolyn S. Sanders | 2 | Daughter | — | Michigan |
| 19 | Lorraine R. Sanders | 0 | Daughter | — | Michigan |
| 20 | Millard Fiddes | 23 | Head | Mechanic | Ohio |
| 21 | Georgia Fiddes | 23 | Wife | — | Ohio |
| 22 | Leland D. Fiddes | 6 | Brother | — | Ohio |
| 23 | Charles Ellison | 30 | Brother-in-law | Mechanic | Ohio |
| 24 | Thomas Seymour | 47 | Head | Assistant Production Manager | Michigan |
| 25 | Susan Seymour | 45 | Wife | — | Michigan |
| 26 | Thomas Seymour | 19 | Son | Machinist Apprentice | Michigan |
| 27 | William S. Seymour | 85 | Head | — | Michigan |
| 28 | Catherine Seymour | 75 | Wife | — | Canada-Eng |
| 29 | Robert Duncan THIS PERSON | 76 | Head | Caretaker | Scotland |
| 30 | Charlotte Duncan | 77 | Wife | — | Canada-Eng |
| 31 | John Duncan | 42 | Son | Musician | Canada-Eng |
| 32 | Lewis Perry | 37 | Head | Draftsman | England |
| 33 | Elizabeth A. Perry | 31 | Wife | — | Ohio |
| 34 | Ruth E. Perry | 0 | Daughter | — | Michigan |
| 35 | Block 146 Here Ends | 147 | and | — | — |
| 36 | Emil Meynholt | 57 | Head | — | Germany |
| 37 | Clara Meynholt | 48 | Wife | — | Michigan |
| 38 | Earl Meynholt | 7 | Son | — | Michigan |
| 39 | Anna Gareke | 66 | Head | — | Michigan |
| 40 | Mary Teske | 64 | Partner | — | 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)