WC
William Caldwell — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this William Caldwell across the 1900, 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 6-person household.
Age 56
b. ~1874
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Caldwell |
| Given Name | William C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 26 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Farmer |
| Industry | General |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | Upper St Clair Township |
| Est. Birth Year | ~1874 |
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 Fife | Daughter | — | 24 | ~1906 |
| William Caldwell | Head | — | 56 | ~1874 |
| Margaret Fife | Other | — | 87 | ~1843 |
| Mary Caldwell | Other | — | 54 | ~1876 |
| Samuel Fife | Other | — | 1 | ~1929 |
| Clarence Caldwell | Son | — | 27 | ~1903 |
Census Appearances
1900
Allegheny, Pennsylvania
Head, age 27
Allegheny, Pennsylvania · implied b. ~1873 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | Mar |
| Birth Year | 1873 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Coal Miner |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Head, age 35
Allegheny, Pennsylvania · implied b. ~1875 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | William P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 8 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | Gen Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Head, age 45
Allegheny, Pennsylvania · implied b. ~1875 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | E |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Year of Naturalization | O |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 56
Allegheny, Pennsylvania · implied b. ~1874 — 6 household members
| Surname | Caldwell |
| Given Name | William C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 26 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| 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 Caldwell across 4 US Census years (1900, 1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Caldwell
Head · 1930 · age 56 · b. ~1874 · Pennsylvania
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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 — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1991:0443)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mansueto Berton | 36 | Head | Electrician | Italy |
| 2 | Margaret Berton | 32 | Wife-H | — | Pennsylvania |
| 3 | Victoria Berton | 11 | Daughter | — | Pennsylvania |
| 4 | Gloria Berton | 6 | Daughter | — | Pennsylvania |
| 5 | Deandrio Berton | 35 | Head | Operator | Italy |
| 6 | Matilda Berton | 33 | Wife-H | — | Pennsylvania |
| 7 | Walter Berton | 8 | Son | — | Pennsylvania |
| 8 | Clarence Berton | 6 | Son | — | Pennsylvania |
| 9 | Eleanor Berton | 4 | Daughter | — | Pennsylvania |
| 10 | Naomi Berton | 3 | Daughter | — | Pennsylvania |
| 11 | Jean Berton | 1 | Daughter | — | Pennsylvania |
| 12 | James Roaston | 37 | Head | Laborer | Pennsylvania |
| 13 | Mary Roaston | 38 | Wife-H | — | Yugoslavia |
| 14 | Elmira Roaston | 67 | Mother | — | Pennsylvania |
| 15 | George Roaston | 17 | Son | — | Pennsylvania |
| 16 | Richard Roaston | 15 | Son | — | Pennsylvania |
| 17 | James Roaston | 12 | Son | — | Pennsylvania |
| 18 | Guglielmo Marrone | 46 | Head | Tailor | Italy |
| 19 | Mary Marrone | 36 | Wife-H | — | Poland |
| 20 | Marrone | 16 | Daughter | — | Pennsylvania |
| 21 | John R. Kramer | 30 | Head | Laborer | Pennsylvania |
| 22 | Loretta R. Kramer | 24 | Wife-H | — | Pennsylvania |
| 23 | John A. Kramer | 7 | Son | — | Pennsylvania |
| 24 | Raymond A. Kramer | 6 | Son | — | Pennsylvania |
| 25 | Edward L. Kramer | 4 | Son | — | Pennsylvania |
| 26 | Richard L. Kramer | 3 | Son | — | Pennsylvania |
| 27 | Luella R. Kramer | 1 | Daughter | — | Pennsylvania |
| 28 | William C. Caldwell THIS PERSON | 56 | Head | Farmer | Pennsylvania |
| 29 | Mary Caldwell | 54 | Wife-H | — | Pennsylvania |
| 30 | Clarence Caldwell | 27 | Son | Farm Hand | Pennsylvania |
| 31 | Edna Fife | 24 | Daughter | Housework | Pennsylvania |
| 32 | Samuel E. Fife | 1 | Son-in-law | — | Pennsylvania |
| 33 | Margaret Fife | 87 | Mother | — | Pennsylvania |
| 34 | Oscar W. Osthoff | 33 | Head | Farmer | Pennsylvania |
| 35 | Margaret E. Osthoff | 33 | Wife-H | — | Pennsylvania |
| 36 | Eleanor A. Osthoff | 9 | Daughter | — | Pennsylvania |
| 37 | Henrietta E. Osthoff | 7 | Daughter | — | Pennsylvania |
| 38 | Walter J. Osthoff | 1 | Son | — | Pennsylvania |
| 39 | Elizabeth Osthoff | 61 | Mother | — | Germany |
| 40 | Steve Bednar | 36 | Head | Farmer | Pennsylvania |
| 41 | Elizabeth Bednar | 30 | Wife-H | — | Pennsylvania |
| 42 | Arthur Bednar | 7 | Son | — | Pennsylvania |
| 43 | Robert Bednar | 5 | Son | — | Pennsylvania |
| 44 | Russell Bednar | 3 | Son | — | Pennsylvania |
| 45 | Ruth Bednar | 1 | Daughter | — | Pennsylvania |
| 46 | Walter Bednar | 22 | Brother | Farm Hand | Pennsylvania |
| 47 | Steve Bednar | 69 | Father | Farm Hand | Germany |
| 48 | Victoria Bednar | 70 | Mother | Housework | Germany |
| 49 | Thomas Smith | 37 | Head | Mechanic | England |
| 50 | Catherine Smith | 33 | Wife-H | — | 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)