RB
Robert Blair — 1930 US Census Record
Model Tree available1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this Robert Blair across the 1920, 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1915), then head of a 3-person household.
Age 15
b. ~1915
Male
Son
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Blair |
| Given Name | Robert T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1915 |
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 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Blair | Son | — | 15 | ~1915 |
| Gertrude Blair | Spouse | — | 42 | ~1888 |
| John Blair | Head | — | 45 | ~1885 |
Census Appearances
1920
Wayne, Michigan
Son, age 5
Wayne, Michigan · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 15
Wayne, Michigan · implied b. ~1915 — 3 household members
| Surname | Blair |
| Given Name | Robert T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Head, age 24
Wayne-County, Michigan · implied b. ~1916 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Machine operator |
| Industry | automotive industry |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 476 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Blair across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Blair (~0.92 confidence) and father John Blair (~0.92 confidence) and mother Gertrude Blair (~0.92 confidence) and mother Katherine Blair (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Blair
b. ~1885
Source father
● Household
· direct · ~0.92
Father
John Blair
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Gertrude Blair
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Katherine Blair
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Blair
Son · 1930 · age 15 · b. ~1915 · Michigan
★ 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 — Wayne, Michigan
Open full size
1930 US Federal Census — Wayne, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel1057:0399)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Delcy Spodeck | 9 | Daughter | — | Michigan |
| 52 | Arnold Spodeck | 7 | Son | — | Michigan |
| 53 | Alfred Spodeck | 4 | Son | — | Michigan |
| 54 | Laverne Spodeck | 2 | Daughter | — | Michigan |
| 55 | Set Rahman | 47 | Head | Laborer | Armenia |
| 56 | Margaret Rahman | 38 | Wife | — | Armenia |
| 57 | Archie Rahman | 21 | Son | — | Armenia |
| 58 | Lucy Rahman | 5 | Daughter | — | Michigan |
| 59 | Armenia Rahman | 3 | Daughter | — | Michigan |
| 60 | Thomas Peter | 33 | Lodger | Laborer | Armenia |
| 61 | Joseph Farkas | 48 | Head | Part Finisher | Rumania |
| 62 | Sophia Farkas | 46 | Wife | — | Hungary |
| 63 | Priscilla Farkas | 20 | Daughter | Press Operator | Rumania |
| 64 | Helen Farkas | 18 | Daughter | Salesperson | Michigan |
| 65 | Rose Farkas | 16 | Daughter | — | Michigan |
| 66 | Emma Farkas | 8 | Daughter | — | Michigan |
| 67 | Steve Vigh | 47 | Head | Laborer | Hungary |
| 68 | Rose Vigh | 34 | Wife | — | Hungary |
| 69 | Steve Vigh | 12 | Son | — | Michigan |
| 70 | Charles Vigh | 11 | Son | — | Michigan |
| 71 | Alex Vigh | 8 | Son | — | Michigan |
| 72 | Elizabeth Hajavi | 28 | Lodger | Waitress | Hungary |
| 73 | John Vigh | 53 | Brother | Laborer | Hungary |
| 74 | Lewis Stoddard | 63 | Head | Carpenter | Michigan |
| 75 | Gertrude Stoddard | 58 | Wife | — | Ohio |
| 76 | Gertrude Stoddard | 29 | Daughter | — | Michigan |
| 77 | Mark Stoddard | 27 | Son | Clerk | Michigan |
| 78 | John Blair | 45 | Head | Pipe Coverer | Scotland |
| 79 | Gertrude Blair | 42 | Wife | — | England |
| 80 | Robert T. Blair THIS PERSON | 15 | Son | — | Michigan |
| 81 | Harry Stanning | 58 | Head | Shoemaker | Michigan |
| 82 | Freda Stanning | 52 | Wife | — | Germany |
| 83 | Harry Jr. Stanning | 24 | Head | Chauffeur | Michigan |
| 84 | Gladys Stanning | 21 | Wife | — | Michigan |
| 85 | Ronald Greenwald | 14 | Nephew | — | Michigan |
| 86 | William Balogh | 33 | Head | Core Maker | Hungary |
| 87 | Elizabeth Balogh | 31 | Wife | Punch Press Oper. | Ohio |
| 88 | Ethel Balogh | 12 | Daughter | — | Ohio |
| 89 | John Darin | 54 | Head | Foreman | Italy |
| 90 | Frances Darin | 50 | Wife | — | Italy |
| 91 | Margaret Darin | 17 | Daughter | — | Michigan |
| 92 | Inez Darin | 12 | Daughter | — | Michigan |
| 93 | Louis Bombassi | 22 | Lodger | Laborer | Italy |
| 94 | Santo Donati | 45 | Head | Laborer | Italy |
| 95 | Paolene Donati | 32 | Wife | — | Italy |
| 96 | Donald Donati | 9 | Son | — | Italy |
| 97 | Margaret Donati | 5 | Daughter | — | Pennsylvania |
| 98 | Stefan Cehin | 35 | Lodger | Press Operator | Italy |
| 99 | Constante Salvador | 25 | Head | Stone Cutter | Germany |
| 100 | Angelina Salvador | 23 | Wife | — | Italy |
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 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)