RM
Robert Mcdonald — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lincoln-County, Washington
Our Model Tree links this Robert Mcdonald across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Lincoln-County, Washington (XGBoost, ~Confirmed), with identified parents Alex & Emma — first a head (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lincoln-County, Washington |
| Surname | McDonald |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Edwall Precinct |
| 1935 Residence (County) | Lincoln |
| Additional Details | |
| Occupation | Warehouseman |
| Industry | Grain Warehouse |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1376 |
| Highest Grade | H 5 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Warehouseman |
| Township / Ward | Edwall Precinct |
| Est. Birth Year | ~1900 |
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 |
|---|---|---|---|---|
| Roberta Mcdonald | Daughter | — | 5 | ~1935 |
| Robert Mcdonald | Head | — | 40 | ~1900 |
| Eva Mcdonald | Spouse | — | 33 | ~1907 |
Census Appearances
1900
Lincoln, Washington
Son, age 1
Lincoln, Washington · implied b. ~1899 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacDonald |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Washington |
| Birth Month | Aug |
| Birth Year | 1899 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Wisconsin |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1910
Lincoln, Washington
Son, age 10
Lincoln, Washington · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Macdonald |
| Given Name | Robert N |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Lincoln, Washington
Son, age 20
Lincoln, Washington · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Wisconsin |
| Occupation | Laborer |
| Industry | working out |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Lincoln, Washington
Head, age 30
Lincoln, Washington · implied b. ~1900 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacDonald |
| Given Name | Robert B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Wisconsin |
| Occupation | Burdier |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 400 |
| Veteran | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Lincoln-County, Washington
Head, age 40
Lincoln-County, Washington · implied b. ~1900 — 3 household members
| Surname | McDonald |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Edwall Precinct |
| 1935 Residence (County) | Lincoln |
| Occupation | Warehouseman |
| Industry | Grain Warehouse |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1376 |
| Highest Grade | H 5 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alex Macdonald (~0.92 confidence) and mother Emma Macdonald (~0.92 confidence) and mother Emma Macdonald (~0.92 confidence) and mother Emma Mcdonald (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alex Macdonald
b. ~1844
Source father
● Household
· direct · ~0.92
Mother
Emma Macdonald
b. ~1852
Source mother
● Household
· direct · ~0.92
Mother
Emma Macdonald
b. ~1858
Source mother
● Household
· direct · ~0.92
Mother
Emma Mcdonald
b. ~1859
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Mcdonald
Head · 1940 · age 40 · b. ~1900 · Washington
★ 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 — Lincoln-County, Washington
Open full size
1940 US Federal Census — Lincoln-County, Washington
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04352-00183)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Mcdonald THIS PERSON | 40 | Head | Warehouseman | Washington |
| 42 | Eva Mcdonald | 33 | Wife | — | Washington |
| 43 | Roberta Mcdonald | 5 | Daughter | — | Washington |
| 44 | Adolph Unkenholz | 46 | Head | Mechanic | South Dakota |
| 45 | Mildred Unkenholz | 36 | Wife | — | Washington |
| 46 | Lucille Unkenholz | 19 | Daughter | — | Washington |
| 47 | John R. Thompson | 22 | Head | Serviceman | Washington |
| 48 | Mildred Thompson | 20 | Wife | — | North Dakota |
| 49 | Clarence Brockat | 36 | Head | Warehouseman | Washington |
| 50 | Hazel Brockat | 30 | Wife | — | N. Dakota |
| 51 | Marilyn Brockat | 1 | Daughter | — | Washington |
| 52 | F. F. Wallenberg | 62 | Head | Manager | Minnesota |
| 53 | Elise Wallenberg | 55 | Wife | — | Germany |
| 54 | Jesse Frank Farabee | 65 | Head | Manager Proprietor | Missouri |
| 55 | Inez Farabee | 63 | Wife | — | Illinois |
| 56 | Charles Adams | 48 | Head | Manager Proprietor | Washington |
| 57 | Helen Adams | 37 | Wife | — | Washington |
| 58 | Elmer Robinson | 38 | Head | Manager Proprietor | Montana |
| 59 | Mabel Robinson | 35 | Wife | — | Washington |
| 60 | Beatrice Robinson | 13 | Daughter | — | Washington |
| 61 | Henry W. May | 50 | Head | Manager Proprietor | Michigan |
| 62 | Martha M. May | 50 | Wife | — | Wisconsin |
| 63 | Arthur Kaligar | 60 | Head | — | Austria-Hungary |
| 64 | Mary Kaligar | 61 | Wife | — | Michigan |
| 65 | Leo Kaligar | 19 | Son | Section Laborer | Minnesota |
| 66 | H. W. Rathke | 54 | Head | — | Minnesota |
| 67 | John R. Rathke | 69 | Brother | — | Minnesota |
| 68 | Fred W. Brockat | 67 | Head | — | Minnesota |
| 69 | Ida Brockat | 62 | Wife | — | Minnesota |
| 70 | Henry Moss | 57 | Head | Farmer | Nebraska |
| 71 | Maude Moss | 46 | Wife | — | Washington |
| 72 | Glenn Moss | 22 | Son | Janitor Helper | Washington |
| 73 | Verma A. Moss | 19 | Daughter | — | Washington |
| 74 | Dorothy Moss | 14 | Daughter | — | Washington |
| 75 | Mrs. Emma Kennedy | 74 | Head | — | Iowa |
| 76 | G. A. Edwall | 55 | Head | Manager | Sweden |
| 77 | Florence Edwall | 55 | Wife | — | New York |
| 78 | Charlotte Edwall | 11 | Granddaughter | — | Washington |
Pedigree Summary
Robert
Gen 1 · 4 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)