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John Blair — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cumberland, Pennsylvania
Our Model Tree links this John Blair across the 1910, 1920 and 1930 US Censuses in Cumberland, Pennsylvania (XGBoost, ~Confirmed), with identified parents Cora & Lena — first a son (b.~1907), then head of a 3-person household.
Age 23
b. ~1907
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cumberland, Pennsylvania |
| Surname | Blair |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Salesman |
| Industry | Pool Room |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Salesman |
| Township / Ward | West Fairview Borough |
| Est. Birth Year | ~1907 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| James Blair | Head | — | 54 | ~1876 |
| John Blair | Son | — | 23 | ~1907 |
| Lena Blair | Spouse | — | 58 | ~1872 |
Census Appearances
1910
Cumberland, Pennsylvania
Son, age 4
Cumberland, Pennsylvania · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Cumberland, Pennsylvania
Son, age 13
Cumberland, Pennsylvania · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Cumberland, Pennsylvania
Son, age 23
Cumberland, Pennsylvania · implied b. ~1907 — 3 household members
| Surname | Blair |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Salesman |
| Industry | Pool Room |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 John Blair across 3 US Census years (1910, 1920 and 1930) in Cumberland, Pennsylvania, using XGBoost record linkage. Identified parents: mother Cora Blair (~0.92 confidence) and mother Lena Blair (~0.92 confidence) and mother Lena Blair (~0.92 confidence) and father J Blair (~0.92 confidence) and father James Blair (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Cora Blair
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Lena Blair
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Lena Blair
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
J Blair
b. ~1876
Source father
● Household
· direct · ~0.92
Father
James Blair
b. ~1876
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Blair
Son · 1930 · age 23 · b. ~1907 · Pennsylvania
★ 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 — Cumberland, Pennsylvania
Open full size
1930 US Federal Census — Cumberland, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2025:0808)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Milton H. Dough | 44 | Head | Laborer | Pennsylvania |
| 2 | Viola D. Dough | 41 | Wife | — | Pennsylvania |
| 3 | Lloyd M. Dough | 21 | Son | Laborer | Pennsylvania |
| 4 | Herman H. Dough | 18 | Son | — | Pennsylvania |
| 5 | David F. Dough | 12 | Son | — | Pennsylvania |
| 6 | Margaret D. Wagner | 77 | Head | — | Pennsylvania |
| 7 | Benjamin F. Myers | 53 | Head | Machinist | Pennsylvania |
| 8 | Mary E. Myers | 51 | Wife | — | Pennsylvania |
| 9 | Lloyd S. Myers | 26 | Son | Brakeman | Pennsylvania |
| 10 | Russ F. Myers | 18 | Son | — | Pennsylvania |
| 11 | Lloyd S. Jr. Myers | 5 | Grandson | — | Pennsylvania |
| 12 | Russell S. Moore | 27 | Head | Brakeman | Pennsylvania |
| 13 | Emma E. Moore | 26 | Wife | — | Pennsylvania |
| 14 | Lester R. Moore | 5 | Son | — | Pennsylvania |
| 15 | Martha G. Moore | 4 | Daughter | — | Pennsylvania |
| 16 | Geraldine L. Moore | 1 | Daughter | — | Pennsylvania |
| 17 | Norman A. Soulliard | 31 | Head | Painter | Pennsylvania |
| 18 | Elizabeth M. Soulliard | 28 | Wife | — | Pennsylvania |
| 19 | Jean Soulliard | 9 | Daughter | — | Pennsylvania |
| 20 | Norma M. Soulliard | 5 | Daughter | — | Pennsylvania |
| 21 | Warren B. Smith | 45 | Head | Painter | Pennsylvania |
| 22 | Laura B. Smith | 38 | Wife | — | Pennsylvania |
| 23 | Warren B. Jr. Smith | 7 | Son | — | Pennsylvania |
| 24 | Emma Langlet | 45 | Sister-in-law | — | Pennsylvania |
| 25 | Dora M. Langlet | 50 | Sister-in-law | House-Keeper | Pennsylvania |
| 26 | Harry S. Meekly | 33 | Head | News Dealer | Pennsylvania |
| 27 | Maude I. Meekly | 33 | Wife | — | Pennsylvania |
| 28 | Harry M. Shay | 28 | Head | Inspector | Pennsylvania |
| 29 | Sarah M. Shay | 25 | Wife | — | Pennsylvania |
| 30 | Dorothy Jean Shay | 6 | Daughter | — | Pennsylvania |
| 31 | James E. Blair | 54 | Head | Laborer | Pennsylvania |
| 32 | Lena S. Blair | 58 | Wife | — | Pennsylvania |
| 33 | John E. Blair THIS PERSON | 23 | Son | Salesman | Pennsylvania |
| 34 | David H. Wagner | 57 | Head | Butcher | Pennsylvania |
| 35 | Lyrus J. A. Wagner | 18 | Son | — | Pennsylvania |
| 36 | Martha S. Wagner | 16 | Daughter | — | Pennsylvania |
| 37 | William S. Wagner | 30 | Son | Salesman | Pennsylvania |
| 38 | Marjorie E. Wagner | 30 | Daughter-in-law | — | Ohio |
| 39 | Ual R. Wagner | 5 | Grandson | — | Ohio |
| 40 | Lee Ann B. Wagner | 0 | Gr. Daughter | — | Ohio |
| 41 | Gertrude Blair | 56 | Head | Dressmaker | Pennsylvania |
| 42 | Sylvan H. Heidig | 42 | Head | Manager | Pennsylvania |
| 43 | Florence B. Heidig | 38 | Wife | — | Pennsylvania |
| 44 | Jean E. Heidig | 3 | Daughter | — | Pennsylvania |
| 45 | Frank Walker | 50 | Head | Stationary Engineer | Pennsylvania |
| 46 | Lottie A. Walker | 46 | Wife | — | Pennsylvania |
| 47 | Albert J. Tolbert | 42 | Head | Laborer | Pennsylvania |
| 48 | Alma V. Tolbert | 40 | Wife | — | Pennsylvania |
| 49 | Albert E. Tolbert | 20 | Son | Laborer | Pennsylvania |
| 50 | Harry W. Tolbert | 18 | Son | Laborer | Pennsylvania |
Pedigree Summary
John
Gen 1 · 5 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)