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Robert Blair — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Sullivan, Indiana
Our Model Tree links this Robert Blair across the 1910 and 1920 US Censuses in Sullivan, Indiana (XGBoost, ~Confirmed) — first a son (b.~1904), then head of a 12-person household.
Age 16
b. ~1904
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Sullivan, Indiana |
| Surname | Blair |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Laborer |
| Industry | Father |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Turman Twp |
| Est. Birth Year | ~1904 |
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.
12 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Hellen Blair | Daughter | — | 20 | ~1900 |
| Wayne Blair | Son | — | 12 | ~1908 |
| Robert Blair | Son | — | 16 | ~1904 |
| Franky Blair | Head | — | 45 | ~1875 |
| Chancey Blair | Son | — | 4 | ~1916 |
| Hattie Blair | Daughter | — | 6 | ~1914 |
| Emma Blair | Daughter | — | 14 | ~1906 |
| Gorg Blair | Daughter | — | 17 | ~1903 |
| Hannah Blair | Spouse | — | 38 | ~1882 |
| Paul Blair | Son | — | 11 | ~1909 |
| Raymond Blair | Son | — | 2 | ~1918 |
| Minnie Blair | Daughter | — | 10 | ~1910 |
Census Appearances
1910
Clark, Illinois
Son, age 6
Clark, Illinois · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Sullivan, Indiana
Son, age 16
Sullivan, Indiana · implied b. ~1904 — 12 household members
| Surname | Blair |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Father |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 2 US Census years (1910 and 1920) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Blair
Son · 1920 · age 16 · b. ~1904 · Indiana
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Sibling
Paul Blair
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Blair
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hellen Blair
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gorg Blair
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chancey Blair
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Blair
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Blair
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Blair
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Blair
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Sullivan, Indiana
Open full size
1920 US Federal Census — Sullivan, Indiana
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu467unit:0116)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Franky Blair | 45 | Head | Farmer | Indiana |
| 52 | Hannah Blair | 38 | Wife | — | Ills |
| 53 | Hellen Blair | 20 | Daughter | House Work | Illinois |
| 54 | Gorg Blair | 17 | Daughter | — | Illinois |
| 55 | Robert Blair THIS PERSON | 16 | Son | Laborer | Illinois |
| 56 | Emma Blair | 14 | Daughter | — | Illinois |
| 57 | Wayne Blair | 12 | Son | — | Illinois |
| 58 | Paul Blair | 11 | Son | — | Illinois |
| 59 | Minnie Blair | 10 | Daughter | — | Illinois |
| 60 | Hattie Blair | 6 | Daughter | — | Illinois |
| 61 | Chancey Blair | 4 | Son | — | Indiana |
| 62 | Raymond Blair | 2 | Son | — | Indiana |
| 63 | Joseph Tague | 44 | Head | Farmer | Indiana |
| 64 | Della Tague | 39 | Wife | — | Illinois |
| 65 | Leonard Tague | 21 | Son | Laborer | Illinois |
| 66 | Roy Tague | 16 | Son | Laborer | Illinois |
| 67 | Bessie Tague | 12 | Daughter | — | Illinois |
| 68 | Lydia Tague | 10 | Daughter | — | Illinois |
| 69 | Vesta Tague | 1 | Daughter | — | Indiana |
| 70 | Earl Harris | 31 | Head | Laborer | Illinois |
| 71 | Ruth Harris | 21 | Wife | — | Illinois |
| 72 | William Murphy | 50 | Head | Farmer | Indiana |
| 73 | Daisy Murphy | 35 | Wife | — | Illinois |
| 74 | Mildred Murphy | 15 | Daughter | — | Indiana |
| 75 | Pauline Murphy | 12 | Daughter | — | Indiana |
| 76 | Fred Carter | 31 | Head | Laborer | Illinois |
| 77 | Clora Carter | 24 | Wife | — | Illinois |
| 78 | Enoch Kelley | 20 | Head | Farmer | Indiana |
| 79 | Naomi Kelley | 18 | Wife | — | Indiana |
| 80 | Helen M Kelley | 1 | Daughter | — | Indiana |
| 81 | Ote Lester | 42 | Head | Farmer | Indiana |
| 82 | May Lester | 34 | Wife | — | Indiana |
| 83 | Martha Lester | 13 | Daughter | — | Indiana |
| 84 | Hardin Sperlow | 49 | Brother-in-law | — | Indiana |
| 85 | Seymor Monk | 55 | Head | Farmer | Indiana |
| 86 | Hattie Monk | 52 | Wife | — | Indiana |
| 87 | Helen Monk | 27 | Daughter | Teacher | Ills |
| 88 | Sarah R Lester | 71 | Head | — | Indiana |
| 89 | Clarence Lester | 21 | Son | Laborer | Indiana |
| 90 | Jess Lester | 43 | Head | Farmer | Indiana |
| 91 | Hattie Lester | 26 | Wife | — | Indiana |
| 92 | Harry Adams | 38 | Head | Farmer | Indiana |
| 93 | Nora Adams | 37 | Wife | — | Illinois |
| 94 | William Adams | 16 | Son | — | Indiana |
| 95 | Simpson Adams | 14 | Son | — | Indiana |
| 96 | Mildred Adams | 11 | Daughter | — | Indiana |
| 97 | Georgia Adams | 9 | Daughter | — | Indiana |
| 98 | Nellie Adams | 6 | Daughter | — | Indiana |
| 99 | Avia Adams | 4 | Daughter | — | Indiana |
| 100 | Marjorie Adams | 2 | Daughter | — | Indiana |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)