RR
Robert Robertson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Snohomish, Washington
Our Model Tree links this Robert Robertson across the 1920, 1930 and 1940 US Censuses in Snohomish, Washington (XGBoost, ~Confirmed), with identified parents Louisa & Hans — first a head (b.~1890), then head of a 6-person household.
Age 40
b. ~1890
Male
Head
Born: Washington
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Snohomish, Washington |
| Surname | Robertson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 30 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | Laborer |
| Industry | Lettuce Farm |
| Class of Worker | VVVV W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Radio Set | R |
| Veteran | WW |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Laborer |
| Township / Ward | Roosevelt Precinct |
| Est. Birth Year | ~1890 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Robertson | Head | — | 40 | ~1890 |
| Donald Robertson | Son | — | 1 | ~1929 |
| Catharine Tystad | Other | — | 12 | ~1918 |
| Mary Robertson | Spouse | — | 30 | ~1900 |
| Gordon Tystad | Other | — | 12 | ~1918 |
| Robert Robertson | Son | — | 2 | ~1928 |
Census Appearances
1920
Snohomish, Washington
Son, age 29
Snohomish, Washington · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farm laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Snohomish, Washington
Head, age 40
Snohomish, Washington · implied b. ~1890 — 6 household members
| Surname | Robertson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 30 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Laborer |
| Industry | Lettuce Farm |
| Class of Worker | VVVV W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Radio Set | R |
| Veteran | WW |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Snohomish-County, Washington
Son, age 50
Snohomish-County, Washington · implied b. ~1890 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Roosevelt Precinct |
| 1935 Residence (County) | Snohomish |
| Hours Worked | 7 |
| Highest Grade | No 6 |
| 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 Robertson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Louisa Robertson (~0.92 confidence) and father Hans Robertson (~0.92 confidence) and mother Louie Robertson (~0.60 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.81
Mother
Louisa Robertson
b. ~1856
Source mother
● Household
· direct · ~0.92
Father
Hans Robertson
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Louie Robertson
b. ~1886
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Robert Robertson
Head · 1930 · age 40 · b. ~1890 · Washington
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Snohomish, Washington
Open full size
1930 US Federal Census — Snohomish, Washington
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2520unit:0285)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | August Mantei | 49 | Head | Farmer | Russia |
| 52 | Olga Mantei | 45 | Wife | None | Russia |
| 53 | Paul Mantei | 23 | Son | Laborer | Canada |
| 54 | Alex Mantei | 22 | Son | Laborer | Canada |
| 55 | Jacob Mantei | 18 | Son | Laborer | Kansas |
| 56 | Louis Mantei | 16 | Son | Laborer | Washington |
| 57 | Lydia Mantei | 14 | Daughter | None | Washington |
| 58 | Ruth H Mantei | 7 | Daughter | None | Washington |
| 59 | Hans Robertson | 74 | Head | Farmer | Denmark |
| 60 | Louise Robertson | 74 | Wife | None | Denmark |
| 61 | Robert Robertson THIS PERSON | 40 | Head | Laborer | Washington |
| 62 | Mary Robertson | 30 | Wife | None | Norway |
| 63 | Robert W Robertson | 2 | Son | None | Washington |
| 64 | Donald Robertson | 1 | Son | None | Washington |
| 65 | Catharine Tystad | 12 | Step-daughter | None | Washington |
| 66 | Gordon Tystad | 12 | Step-son | None | Washington |
| 67 | William Spillman | 47 | Head | Farmer | Minnesota |
| 68 | Maude Spillman | 46 | Wife | None | Minnesota |
| 69 | Clarence M Harrison | 55 | Head | Laborer | Minnesota |
| 70 | Cora Harrison | 52 | Wife | None | New York |
| 71 | Frances M Harrison | 18 | Son | Laborer | Washington |
| 72 | Harold E Harrison | 14 | Son | None | Washington |
| 73 | Lorain H Harrison | 8 | Daughter | None | Washington |
| 74 | Lynn D Purvis | 33 | Head | Laborer | Minnesota |
| 75 | Georgia M Purvis | 24 | Wife | None | Washington |
| 76 | Gail I Purvis | 2 | Daughter | None | Washington |
| 77 | Jane I Purvis | 1 | Daughter | None | Washington |
| 78 | Vernice M Purvis | 0 | Daughter | None | Washington |
| 79 | John W Purvis | 69 | Head | Farmer | Canada English |
| 80 | Hattie E Purvis | 63 | Wife | None | Wisconsin |
| 81 | Joseph Peterson | 35 | Head | Laborer | Norway |
| 82 | Elizabeth Peterson | 32 | Wife | None | Kansas |
| 83 | Helen M Peterson | 5 | Daughter | None | Washington |
| 84 | Audrie Peterson | 3 | Daughter | None | Minnesota |
| 85 | Joseph J Peterson | 1 | Son | None | Washington |
| 86 | Fred J Long | 46 | Head | Farmer | Minnesota |
| 87 | Winnie Long | 43 | Wife | None | Minnesota |
| 88 | Margaret Laney | 12 | Niece | None | Washington |
| 89 | Charles H Sippey | 72 | Head | Farmer | Maryland |
| 90 | Emma Sippey | 73 | Wife | None | Minnesota |
| 91 | Forest H Nussinger | 49 | Head | Farmer | Minnesota |
| 92 | Margaret I Nussinger | 56 | Wife | None | Minnesota |
| 93 | George Butler | 64 | Head | Farmer | New York |
| 94 | Annie C Butler | 63 | Wife | None | New York |
| 95 | William Butler | 67 | Brother | Laborer | New York |
| 96 | Chris C Nelson | 79 | Head | Laborer | Denmark |
| 97 | Mary Nelson | 41 | Wife | None | Washington |
| 98 | Vivian Nelson | 18 | Daughter | None | Washington |
| 99 | Alpha Nelson | 16 | Daughter | None | Washington |
| 100 | Vera Nelson | 14 | Daughter | None | Washington |
Pedigree Summary
Robert
Gen 1 · 3 parents
~0.81
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)