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Mary Blair — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Johnson, Kentucky
Our Model Tree links this Mary Blair across the 1920 and 1930 US Censuses in Johnson, Kentucky (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 10-person household.
Age 38
b. ~1892
Female
Spouse
Born: Kentucky
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Johnson, Kentucky |
| Surname | Blair |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 16 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial Dist 3 Oct |
| Est. Birth Year | ~1892 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eula Blair | Daughter | — | 9 | ~1921 |
| S Blair | Head | — | 45 | ~1885 |
| Arnold Blair | Son | — | 2 | ~1928 |
| Melvin Blair | Son | — | 20 | ~1910 |
| Latham Blair | Son | — | 19 | ~1911 |
| Donald Blair | Son | — | 5 | ~1925 |
| Evelyn Blair | Son | — | 13 | ~1917 |
| Marvin Blair | Son | — | 15 | ~1915 |
| Mabel Blair | Son | — | 7 | ~1923 |
| Mary Blair | Spouse | — | 38 | ~1892 |
Census Appearances
1920
Johnson, Kentucky
Spouse, age 26
Johnson, Kentucky · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Johnson, Kentucky
Spouse, age 38
Johnson, Kentucky · implied b. ~1892 — 10 household members
| Surname | Blair |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 16 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Mary Blair across 2 US Census years (1920 and 1930) in Johnson, Kentucky, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Blair
Spouse · 1930 · age 38 · b. ~1892 · Kentucky
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Johnson, Kentucky
Open full size
1930 US Federal Census — Johnson, Kentucky
Page Contents
50 people indexed on this census page (ia:1930:kentuckycensus00reel761:0274)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marie Blair | 15 | Daughter | — | Kentucky |
| 52 | Ruby Blair | 12 | Daughter | — | Kentucky |
| 53 | Cynthia Blair | 5 | Daughter | — | Kentucky |
| 54 | S. M. Blair | 45 | Head | Farmer | Kentucky |
| 55 | Mary A. Blair THIS PERSON | 38 | Wife | — | Kentucky |
| 56 | Melvin Blair | 20 | Son | Miner | Kentucky |
| 57 | Latham Blair | 19 | Son | Miner | Kentucky |
| 58 | Marvin Blair | 15 | Son | — | Kentucky |
| 59 | Evelyn Blair | 13 | Son | — | Kentucky |
| 60 | Eula M. Blair | 9 | Daughter | — | Kentucky |
| 61 | Mabel Blair | 7 | Son | — | Kentucky |
| 62 | Donald Blair | 5 | Son | — | Kentucky |
| 63 | Arnold R. Blair | 2 | Son | — | Kentucky |
| 64 | Morris Cochran | 33 | Head | Farmer | Kentucky |
| 65 | Eva Cochran | 32 | Wife | — | Kentucky |
| 66 | Jackie Cochran | 11 | Son | — | Kentucky |
| 67 | Theodore Cochran | 9 | Son | — | Kentucky |
| 68 | Richard G. Cochran | 5 | Son | — | Kentucky |
| 69 | Mary Cochran | 2 | Daughter | — | Kentucky |
| 70 | James Spencer | 56 | Head | Farmer | Kentucky |
| 71 | Hester Spencer | 50 | Wife | — | Kentucky |
| 72 | Curtis Spencer | 20 | Son | Laborer | Kentucky |
| 73 | Hazel Spencer | 15 | Daughter | — | Kentucky |
| 74 | Thelma Spencer | 9 | Daughter | — | Kentucky |
| 75 | Adam Hall | 58 | Head | Farmer | Kentucky |
| 76 | Nevon Hall | 46 | Wife | — | Kentucky |
| 77 | Raymond Hall | 22 | Son | Laborer | Kentucky |
| 78 | Cora Hall | 13 | Grand Daughter | — | Kentucky |
| 79 | Eunice Hall | 12 | Grand Son | — | Kentucky |
| 80 | George Marshall | 50 | Head | Farmer | Kentucky |
| 81 | Julia Marshall | 30 | Wife | — | Kentucky |
| 82 | Sherman Marshall | 19 | Son | — | Kentucky |
| 83 | John Marshall | 14 | Son | — | Kentucky |
| 84 | Catherine Marshall | 12 | Daughter | — | Kentucky |
| 85 | Jessie Marshall | 10 | Daughter | — | Kentucky |
| 86 | Peter Turner | 48 | Head | Farmer | Kentucky |
| 87 | Emma Turner | 44 | Wife | — | Kentucky |
| 88 | Lula Turner | 21 | Daughter | — | Kentucky |
| 89 | Willie Turner | 18 | Son | — | Kentucky |
| 90 | Jewell Turner | 15 | Son | — | Kentucky |
| 91 | Henry Turner | 10 | Son | — | Kentucky |
| 92 | Roy Turner | 8 | Son | — | Kentucky |
| 93 | Mildred Turner | 6 | Daughter | — | Kentucky |
| 94 | John F. Spencer | 60 | Head | Farmer | Kentucky |
| 95 | Mary Spencer | 41 | Wife | — | Kentucky |
| 96 | Lindsey Spencer | 21 | Son | Laborer | Kentucky |
| 97 | Ollie Spencer | 16 | Son | Laborer | Kentucky |
| 98 | Dialtha Spencer | 12 | Daughter | — | Kentucky |
| 99 | Shelby Spencer | 9 | Daughter | — | Kentucky |
| 100 | Lydia Spencer | 7 | Daughter | — | Kentucky |
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)