WB
William Bird — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this William Bird across the 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 9-person household.
Age 21
b. ~1909
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Bird |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Collier Township Ewingville |
| 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Doris Bird | Daughter | — | 7 | ~1923 |
| George Bird | Son | — | 13 | ~1917 |
| William Bird | Son | — | 21 | ~1909 |
| Mary Bird | Spouse | — | 43 | ~1887 |
| Jean Bird | Daughter | — | 8 | ~1922 |
| John Bird | Head | — | 53 | ~1877 |
| James Bird | Son | — | 17 | ~1913 |
| Louise Bird | Daughter | — | 11 | ~1919 |
| Florence Bird | Daughter | — | 16 | ~1914 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 21
Allegheny, Pennsylvania · implied b. ~1909 — 9 household members
| Surname | Bird |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Head, age 32
Allegheny-County, Pennsylvania · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baird |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Salesman |
| Industry | Retail Meats |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 2188 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| 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 Bird across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Bird
Son · 1930 · age 21 · b. ~1909 · Pennsylvania
★ You are viewing this record
Sibling
Louise Bird
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Bird
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Bird
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Bird
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Bird
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Bird
Sibling · 1930 · age 13
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 — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1961rs:0953)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edwin Nolfalto | 14 | Nephew | — | Pennsylvania |
| 2 | Roy Nolfalto | 12 | Nephew | Helper | Pennsylvania |
| 3 | Jacob Nolfalto | 48 | Brother | Digger | Pennsylvania |
| 4 | Anthony M. Hagerman | 52 | Head | Mechanic | Italy |
| 5 | Carmeline Hagerman | 46 | Wife | Beautician | Pennsylvania |
| 6 | Theodore Hagerman | 19 | Son | — | Pennsylvania |
| 7 | Michael Hagerman | 17 | Son | — | New York |
| 8 | Delores Hagerman | 11 | Daughter | — | Pennsylvania |
| 9 | Charles Hagerman | 7 | Son | — | Pennsylvania |
| 10 | Guy A. Scott | 50 | Head | Stationary Eng. | Pennsylvania |
| 11 | Robert Scott | 26 | Son | Laborer | Pennsylvania |
| 12 | Elizabeth Scott | 21 | Daughter-in-law | — | Pennsylvania |
| 13 | Anna Scott | 14 | Daughter | — | Pennsylvania |
| 14 | George Shortley | 29 | Head | Guard | Pennsylvania |
| 15 | Mary Shortley | 22 | Wife | — | Pennsylvania |
| 16 | Marian Shortley | 2 | Daughter | — | Pennsylvania |
| 17 | Virginia Shortley | 1 | Daughter | — | Pennsylvania |
| 18 | Hunter D'Antonio | 24 | Head | Laborer | Pennsylvania |
| 19 | Anna D'Antonio | 23 | Wife | — | Pennsylvania |
| 20 | James D'Antonio | 3 | Son | — | Pennsylvania |
| 21 | Richard Conner | 59 | Head | Laborer | England |
| 22 | Matilda Enrietta | 65 | Head | Laborer | Italy |
| 23 | Marie Enrietta | 50 | Wife | — | Italy |
| 24 | John Enrietta | 24 | Son | Helper | Pennsylvania |
| 25 | Lena Enrietta | 21 | Daughter | Packer | Pennsylvania |
| 26 | Ernest Enrietta | 18 | Son | — | Pennsylvania |
| 27 | Mike Sabo | 40 | Head | Laborer | Poland |
| 28 | Rose Sabo | 38 | Wife | — | Poland |
| 29 | Andrew Sabo | 18 | Son | Laborer | Pennsylvania |
| 30 | Walter Sabo | 16 | Son | Laborer | Pennsylvania |
| 31 | Julia Sabo | 14 | Daughter | — | Pennsylvania |
| 32 | Mildred Sabo | 12 | Daughter | — | Pennsylvania |
| 33 | Vernon Sabo | 9 | Daughter | — | Pennsylvania |
| 34 | Stanley Sabo | 6 | Son | — | Pennsylvania |
| 35 | Rose Sabo | 4 | Daughter | — | Pennsylvania |
| 36 | Tony Sabo | 1 | Son | — | Pennsylvania |
| 37 | Louis Donofrio | 45 | Head | Laborer | Italy |
| 38 | Lucy Donofrio | 42 | Wife | — | Italy |
| 39 | Josephine Donofrio | 13 | Daughter | — | Pennsylvania |
| 40 | Mary Donofrio | 72 | Mother | — | Italy |
| 41 | Joseph Gregoria | 45 | Brother-in-law | Laborer | Italy |
| 42 | John Bird | 53 | Head | Miner | Virginia |
| 43 | Mary Bird | 43 | Wife | — | Pennsylvania |
| 44 | William Bird THIS PERSON | 21 | Son | Laborer | Pennsylvania |
| 45 | James Bird | 17 | Son | — | Pennsylvania |
| 46 | Florence Bird | 16 | Daughter | — | Pennsylvania |
| 47 | George Bird | 13 | Son | — | Pennsylvania |
| 48 | Louise Bird | 11 | Daughter | — | Pennsylvania |
| 49 | Jean Bird | 8 | Daughter | — | Pennsylvania |
| 50 | Doris Bird | 7 | Daughter | — | Pennsylvania |
Related Census Records
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)