RM
Robert Mcdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Shelby-County, Tennessee
Our Model Tree links this Robert Mcdonald across the 1920, 1930 and 1940 US Censuses in Shelby-County, Tennessee (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 5-person household.
Age 62
b. ~1878
Male
Head
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Tennessee |
| Surname | McDonald |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Memphis City |
| 1935 Residence (County) | Shelby |
| Additional Details | |
| Hours Worked | 7 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Memphis City |
| Est. Birth Year | ~1878 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Eugenia Mcdonald | Daughter | — | 32 | ~1908 |
| Mary Mcdonald | Daughter | — | 29 | ~1911 |
| Dorothy Mcdonald | Daughter | — | 20 | ~1920 |
| Robert Mcdonald | Head | — | 62 | ~1878 |
| Maud Mcdonald | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Shelby, Tennessee
Head, age 42
Shelby, Tennessee · implied b. ~1878
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | McDonald |
| Given Name | Robert S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Tennessee |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Year of Naturalization | M |
| Birthplace (normalized) | mississippi |
1930
Shelby, Tennessee
Head, age 51
Shelby, Tennessee · implied b. ~1879 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Robert S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 27 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Tennessee |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Shelby-County, Tennessee
Head, age 62
Shelby-County, Tennessee · implied b. ~1878 — 5 household members
| Surname | McDonald |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Memphis City |
| 1935 Residence (County) | Shelby |
| Hours Worked | 7 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Mcdonald 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 Mcdonald
Head · 1940 · age 62 · b. ~1878 · Tennessee
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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 — Shelby-County, Tennessee
Open full size
1940 US Federal Census — Shelby-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03969-00495)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Loraine E. Bizzell | 24 | Wife | — | Illinois |
| 2 | John R. Bizzell | 2 | Son | — | Tennessee |
| 3 | Alice L. Bizzell | 0 | Daughter | — | Tennessee |
| 4 | Larry W. Bizzell | 0 | Son | — | Tennessee |
| 5 | C. J. Parnell | 20 | Head | Stock Boy | Tennessee |
| 6 | Lillian Parnell | 17 | Wife | — | Tennessee |
| 7 | Nancy Parnell | 0 | Daughter | — | Tennessee |
| 8 | J. C. Grice | 37 | Head | Sales Manager | Florida |
| 9 | Beulah R. Grice | 39 | Wife | Beautician | Alabama |
| 10 | Milton A. Grice | 16 | Step-son | — | N. Carolina |
| 11 | James E. Willis | 36 | Head | Paint Worker | Tennessee |
| 12 | Mary Lucille Willis | 26 | Wife | — | Illinois |
| 13 | Mary Nell Willis | 8 | Daughter | — | Tennessee |
| 14 | Joyce Norman Willis | 6 | Daughter | — | Tennessee |
| 15 | Sarah Coats | 51 | Head | Supervisor | Tennessee |
| 16 | Harvey Marjorie Coats | 13 | Daughter | — | Tennessee |
| 17 | Jessie Wormiller | 40 | Head | — | Florida |
| 18 | Charles Jr. Wormiller | 21 | Son | Marine Engineer | Tennessee |
| 19 | Montie Y. Wormiller | 19 | Daughter | Clipper | Tennessee |
| 20 | Teresa C. Wormiller | 2 | Grand-daughter | — | Tennessee |
| 21 | Alice Brame | 58 | Head | — | Mississippi |
| 22 | Jessie Brame | 57 | Sister | Stenographer | Mississippi |
| 23 | Bernice Brame | 51 | Sister | — | Mississippi |
| 24 | Robert Mcdonald THIS PERSON | 62 | Head | — | Mississippi |
| 25 | Maud Mcdonald | 56 | Wife | Seamstress | Mississippi |
| 26 | Eugenia Mcdonald | 32 | Daughter | Stenographer | Mississippi |
| 27 | Mary Emma Mcdonald | 29 | Daughter | Bookkeeping Machine | Tennessee |
| 28 | Dorothy Mcdonald | 20 | Daughter | Typist | Tennessee |
| 29 | Elizabeth Hart | 61 | Head | Solicitor | Kentucky |
| 30 | James Hart | 16 | Son | — | Tennessee |
| 31 | Gerald Nichols | 23 | Head | Salesman | Illinois |
| 32 | Emogene Nichols | 20 | Wife | — | Arkansas |
| 33 | Earle Instat | 56 | Head | Postman | New York |
| 34 | Vedie Instat | 64 | Wife | — | Mississippi |
| 35 | Earle Jr. Instat | 19 | Son | — | Tennessee |
| 36 | Irby, Minnie Instat | 58 | Sister-in-law | — | Mississippi |
| 37 | J. B. Harris | 52 | Head | Carpenter | Mississippi |
| 38 | Jessie Harris | 50 | Wife | — | Mississippi |
| 39 | R. E. Harris | 32 | Son | Sign Painter | Mississippi |
| 40 | Irene Harris | 27 | Daughter | — | Mississippi |
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)