WC
William Crosby — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this William Crosby across the 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 7-person household.
Age 15
b. ~1915
Male
Son
Born: Mississippi
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Crosby |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1915 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Grace Crosby | Daughter | — | 13 | ~1917 |
| George Crosby | Son | — | 5 | ~1925 |
| William Crosby | Head | — | 31 | ~1899 |
| Charles Crosby | Son | — | 13 | ~1917 |
| Ethel Crosby | Spouse | — | 35 | ~1895 |
| Lizzie Crosby | Daughter | — | 11 | ~1919 |
| William Crosby | Son | — | 15 | ~1915 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1916 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crosby |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Allegheny, Pennsylvania
Son, age 15
Allegheny, Pennsylvania · implied b. ~1915 — 7 household members
| Surname | Crosby |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Crosby across 2 US Census years (1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Crosby
Son · 1930 · age 15 · b. ~1915 · Pennsylvania
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Sibling
George Crosby
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Crosby
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Crosby
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lizzie Crosby
Sibling · 1930 · age 11
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:fifteenthcensus00reel1970:0039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Johnson | 54 | Head | Labor | Pennsylvania |
| 2 | Emma Johnson | 53 | Wife | — | Pennsylvania |
| 3 | Charles Johnson | 21 | Son | Labor | Pennsylvania |
| 4 | Mildred Johnson | 19 | Daughter | — | Pennsylvania |
| 5 | William Johnson | 17 | Son | — | Pennsylvania |
| 6 | Robert Johnson | 15 | Son | — | Pennsylvania |
| 7 | Fred Johnson | 13 | Son | — | Pennsylvania |
| 8 | Stella Johnson | 12 | Daughter | — | Pennsylvania |
| 9 | Ruth Johnson | 10 | Daughter | — | Pennsylvania |
| 10 | Charles Gerly | 60 | Head | Labor | Pennsylvania |
| 11 | Lena Gerly | 55 | Wife | — | Pennsylvania |
| 12 | Fred Gerly | 35 | Son | Repairman | Pennsylvania |
| 13 | Martha Gerly | 33 | Wife | — | Pennsylvania |
| 14 | Joseph Gerly | 8 | Son | — | Pennsylvania |
| 15 | Rosalia Gerly | 6 | Daughter | — | Pennsylvania |
| 16 | Charles Gerly | 4 | Son | — | Pennsylvania |
| 17 | Besserman, Catherine Gerly | 31 | Lodger | Domestic | Pennsylvania |
| 18 | Charles Huber | 26 | Head | Labor | Pennsylvania |
| 19 | Annetta Huber | 26 | Wife | — | Pennsylvania |
| 20 | Walter Huber | 5 | Son | — | Pennsylvania |
| 21 | Lianna Huber | 2 | Daughter | — | Pennsylvania |
| 22 | Roland Harris | 33 | Head | Machinist | England |
| 23 | Clara Harris | 27 | Wife | Puncher | Pennsylvania |
| 24 | Alonzo Blue | 45 | Head | Blacksmith | Pennsylvania |
| 25 | Gardner Blue | 15 | Son | — | Pennsylvania |
| 26 | Lottie Blue | 13 | Daughter | — | Pennsylvania |
| 27 | Alice Blue | 11 | Daughter | — | Pennsylvania |
| 28 | John Tompkins | 29 | Head | Labor | Pennsylvania |
| 29 | Mildred Tompkins | 24 | Wife | — | Pennsylvania |
| 30 | John Jr. Tompkins | 3 | Son | — | Pennsylvania |
| 31 | Evelyn Tompkins | 1 | Daughter | — | Pennsylvania |
| 32 | Susan Richardson | 55 | Mother | — | Pennsylvania |
| 33 | William Crosby | 31 | Head | Brakeman | Mississippi |
| 34 | Ethel Crosby | 35 | Wife | — | Mississippi |
| 35 | Grace Crosby | 13 | Daughter | — | Pennsylvania |
| 36 | Lizzie Crosby | 11 | Daughter | — | Pennsylvania |
| 37 | George Crosby | 5 | Son | — | Pennsylvania |
| 38 | Charles Crosby | 13 | Son | — | Mississippi |
| 39 | William Crosby THIS PERSON | 15 | Son | — | Mississippi |
| 40 | Herman Harrington | 18 | Head | Labor | South Carolina |
| 41 | Fanny Harrington | 17 | Wife | — | Mississippi |
| 42 | Frank Tokie | 23 | Head | — | Georgia |
| 43 | Hosey Price | 22 | Roomer | Labor | Georgia |
| 44 | Jesse Robinson | 29 | Head | Labor | Georgia |
| 45 | Addie Robinson | 27 | Wife | — | Georgia |
| 46 | Andrew Guranblatt | 47 | Head | — | Russia |
| 47 | Harry Guranblatt | 21 | Son | Clerk | Pennsylvania |
| 48 | William Guranblatt | 16 | Son | — | Pennsylvania |
| 49 | Benjamin Guranblatt | 11 | Son | — | Pennsylvania |
| 50 | Guranblatt | 4 | Son | — | Pennsylvania |
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)