WB
William Blair — 1930 US Census Record
Model Tree available1930 United States Federal Census · Venango, Pennsylvania
Our Model Tree links this William Blair across the 1910, 1920 and 1930 US Censuses in Venango, Pennsylvania (XGBoost, ~Confirmed), with identified parents Carrie & William — first a son (b.~1909), then head of a 6-person household.
Age 21
b. ~1909
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Venango, Pennsylvania |
| Surname | Blair |
| Given Name | William L. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Franklin City |
| Est. Birth Year | ~1909 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Edna Blair | Daughter | — | 18 | ~1912 |
| Bessie Blair | Daughter | — | 9 | ~1921 |
| Martha Blair | Daughter | — | 15 | ~1915 |
| William Blair | Head | — | 47 | ~1883 |
| Eva Blair | Other | — | 47 | ~1883 |
| William Blair | Son | — | 21 | ~1909 |
Census Appearances
1910
Venango, Pennsylvania
Son, age 1
Venango, Pennsylvania · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | William S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Venango, Pennsylvania
Son, age 11
Venango, Pennsylvania · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Venango, Pennsylvania
Son, age 21
Venango, Pennsylvania · implied b. ~1909 — 6 household members
| Surname | Blair |
| Given Name | William L. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| 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 William Blair across 3 US Census years (1910, 1920 and 1930) in Venango, Pennsylvania, using XGBoost record linkage. Identified parents: mother Carrie Blair (~0.92 confidence) and father William Blair (~0.92 confidence) and father William Blair (~0.92 confidence) and mother Josephine Blair (~0.92 confidence) and father William Blair (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Carrie Blair
b. ~1868
Source mother
● Household
· direct · ~0.92
Father
William Blair
b. ~1869
Source father
● Household
· direct · ~0.92
Father
William Blair
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Josephine Blair
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
William Blair
b. ~1883
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Blair
Son · 1930 · age 21 · b. ~1909 · Pennsylvania
★ You are viewing this record
Sibling
Edna Blair
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Blair
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Blair
Sibling · 1930 · age 15
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
1930 US Federal Census — Venango, Pennsylvania
Open full size
1930 US Federal Census — Venango, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2152:0637)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sadie A. Gillis | 57 | wife-H | None | Pennsylvania |
| 2 | Mary E. Gillis | 79 | roomer | None | Pennsylvania |
| 3 | Francis Douglas | 73 | Head | None | Pennsylvania |
| 4 | Pauline L. Ryan | 27 | roomer | Teacher | Pennsylvania |
| 5 | James D. Jolley | 47 | Head | Foundryman|Foundry Man | Pennsylvania |
| 6 | Nora M. Jolley | 44 | wife-H | None | Pennsylvania |
| 7 | Almeta M. Jolley | 21 | daughter | Stenographer | Pennsylvania |
| 8 | Birdena Ross | 60 | roomer | Nurse | Pennsylvania |
| 9 | Clement W. Burns | 28 | Head | Salesman | Pennsylvania |
| 10 | Isabelle M. Burns | 25 | wife-H | Bookkeeper | Pennsylvania |
| 11 | Mary Leonard | 57 | Head | None | Pennsylvania |
| 12 | Frank Gazar | 78 | lodger | None | Pennsylvania |
| 13 | Sarah Guthrie | 76 | roomer | None | Indiana |
| 14 | Benjamin Adams | 66 | stepfather | Filler | Pennsylvania |
| 15 | John Kitchen | 72 | boarder | Watch Maker | Pennsylvania |
| 16 | Arthur Schroder | 50 | boarder | Moulder | Ohio |
| 17 | Millard Downing | 36 | Head | Oil Treater | Pennsylvania |
| 18 | Clara M. Downing | 32 | wife-H | None | Pennsylvania |
| 19 | Geraldine L. Downing | 8 | daughter | None | Pennsylvania |
| 20 | Millard Scheide | 71 | boarder | Carriage|Carver | Pennsylvania |
| 21 | Albert P. Sutter | 48 | Head | Cigar Store | Pennsylvania |
| 22 | Ethel E. Sutter | 34 | wife-H | None | Pennsylvania |
| 23 | Mabel Y. Sutter | 24 | daughter | Stenographer | Pennsylvania |
| 24 | Margaret J. Sutter | 22 | daughter | Stenographer | Pennsylvania |
| 25 | William A. Blair | 47 | Head | Merchant | Pennsylvania |
| 26 | Eva J. Blair | 47 | wife-H | None | Pennsylvania |
| 27 | William L. Blair THIS PERSON | 21 | son | None | Pennsylvania |
| 28 | Edna J. Blair | 18 | daughter | None | Pennsylvania |
| 29 | Martha E. Blair | 15 | daughter | None | Pennsylvania |
| 30 | Bessie R. Blair | 9 | daughter | None | Pennsylvania |
| 31 | Flora E. Artell | 67 | Head | None | Pennsylvania |
| 32 | Don C. Artell | 40 | son | Salesman | Pennsylvania |
| 33 | Ruth M. Artell | 30 | daughter | Bookkeeper | Pennsylvania |
| 34 | Byron Dewoody | 71 | Head | Contractor | Pennsylvania |
| 35 | Dora J. Dewoody | 68 | wife-H | None | Pennsylvania |
| 36 | Guy W. Gordon | 50 | Head | Salesman | Pennsylvania |
| 37 | Jessie M. Gordon | 48 | wife-H | None | Pennsylvania |
| 38 | Geraldine J. Gordon | 23 | daughter | Clerk | Pennsylvania |
| 39 | Cleon J. Russ | 31 | Head | Clerk | Pennsylvania |
| 40 | Charles B. Russ | 33 | brother | Mechanic | Pennsylvania |
| 41 | Joseph A. Russ | 48 | brother | Driller | Pennsylvania |
| 42 | John D. Knepp | 38 | R | Oil Refiner | Pennsylvania |
| 43 | Irene E. Knepp | 37 | wife-H | None | Pennsylvania |
| 44 | Martha G. Knepp | 12 | daughter | None | Pennsylvania |
| 45 | John D. Jr. Knepp | 9 | son | None | Pennsylvania |
| 46 | Mary Lou Knepp | 3 | daughter | None | Pennsylvania |
| 47 | Lucian Ruta | 41 | Head | Merchant | Italy |
| 48 | Laura Ruta | 30 | wife-H | None | Italy |
| 49 | Mary N. Ruta | 9 | daughter | None | Pennsylvania |
| 50 | Lucian Jr. Ruta | 6 | son | None | Pennsylvania |
Pedigree Summary
William + 3 siblings
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)