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David Williams — 1930 US Census Record
Model Tree available1930 United States Federal Census · Lawrence, Pennsylvania
Our Model Tree links this David Williams across the 1900, 1910, 1920 and 1930 US Censuses in Lawrence, Pennsylvania (XGBoost, ~Confirmed), with identified parents Robert — first a head (b.~1878), then head of a 5-person household.
Age 52
b. ~1878
Male
Head
Born: Wales
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Lawrence, Pennsylvania |
| Surname | Williams |
| Given Name | David R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Wales |
| Naturalization Status | Naturalized |
| Year of Immigration | 1884 |
| Age at First Marriage | 23 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Additional Details | |
| Occupation | Foreman |
| Industry | Tube works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Occupation | Foreman |
| Township / Ward | Ellwood City Borough |
| Est. Birth Year | ~1878 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| David Williams | Head | — | 52 | ~1878 |
| Ada Nail | Other | — | 50 | ~1880 |
| William Nail | Other | — | 10 | ~1920 |
| David Williams | Son | — | 14 | ~1916 |
| Maud Williams | Spouse | — | 52 | ~1878 |
Census Appearances
1900
King, Washington
Son, age 23
King, Washington · implied b. ~1877 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Dave |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Wales |
| Birth Month | Sep |
| Birth Year | 1877 |
| Year of Immigration | 1887 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Coal miner |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1910
King, Washington
Other, age 32
King, Washington · implied b. ~1878 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | David R |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Wales |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Laborer |
| Industry | Railroad |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1920
King, Washington
Head, age 42
King, Washington · implied b. ~1878 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | David R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Wales |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Fisherman |
| Industry | Salmon |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1930
Lawrence, Pennsylvania
Head, age 52
Lawrence, Pennsylvania · implied b. ~1878 — 5 household members
| Surname | Williams |
| Given Name | David R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Wales |
| Naturalization Status | Naturalized |
| Year of Immigration | 1884 |
| Age at First Marriage | 23 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Foreman |
| Industry | Tube works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
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 David Williams across 4 US Census years (1900, 1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Williams (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Williams
b. ~1843
Source father
● Household
· direct · ~0.92
This person
Anchor record
David Williams
Head · 1930 · age 52 · b. ~1878 · 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 — Lawrence, Pennsylvania
Open full size
1930 US Federal Census — Lawrence, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2059:0857)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E. Singhaus | 58 | Head | — | Pennsylvania |
| 2 | Paul E. Singhaus | 33 | Son | Forge Worker | Pennsylvania |
| 3 | Charles Rosser | 34 | Lodger | Salesman | Pennsylvania |
| 4 | Lodger Left Without Filling Out (Paper) | None | — | — | — |
| 5 | David R. Williams THIS PERSON | 52 | Head | Foreman | Wales |
| 6 | Maud Williams | 52 | Wife | — | Ohio |
| 7 | David J. Williams | 14 | Son | — | Pennsylvania |
| 8 | Ada Nail | 50 | Sister-in-law | Clerk | Ohio |
| 9 | William Nail | 10 | Nephew | — | Pennsylvania |
| 10 | John H. Nines | 57 | Head | Stationary Engineer | Pennsylvania |
| 11 | Nancy E. Nines | 56 | Wife | — | Pennsylvania |
| 12 | Edward Cochran | 62 | Head | Clerk | Pennsylvania |
| 13 | Nanette B. Cochran | 62 | Wife | — | Pennsylvania |
| 14 | Helen Hayden | 22 | Lodger | Teacher | Ohio |
| 15 | Mike Nesteronka | 49 | Head | Millworker | Czechoslovakia |
| 16 | Annie Nesteronka | 52 | Wife | Housekeeper | Czechoslovakia |
| 17 | Mary Nesteronka | 14 | Daughter | — | Montana |
| 18 | Mike Nesteronka | 11 | Son | — | Montana |
| 19 | Andy Nesteronka | 9 | Son | — | Montana |
| 20 | Robert Mccutcheon | 32 | Lodger | — | Pennsylvania |
| 21 | Carmelo Lombardo | 44 | Head | Merchant | Italy |
| 22 | Annette Lombardo | 46 | Wife | — | Italy |
| 23 | Mary Lombardo | 17 | Daughter | — | New York |
| 24 | Frank Fallabella | 17 | Step-son | — | Ohio |
| 25 | Rocco Vion | 27 | Brother-in-law | Millworker | Pennsylvania |
| 26 | Angelo Noddeo | 43 | Head | Millworker | Italy |
| 27 | Mary Noddeo | 39 | Wife | Laborer | Italy |
| 28 | Minnie Noddeo | 8 | Daughter | — | Pennsylvania |
| 29 | Anthony Noddeo | 4 | Son | — | Pennsylvania |
| 30 | Lena Noddeo | 1 | Daughter | — | Pennsylvania |
| 31 | Charles Jr. Rocco | 38 | Head | Retail Merchant | Pennsylvania |
| 32 | Annie Rocco | 32 | Wife | — | Italy |
| 33 | Thomas A. Rocco | 12 | Son | — | Pennsylvania |
| 34 | Rose Marie Rocco | 10 | Daughter | — | Pennsylvania |
| 35 | Elizabeth S. Rocco | 7 | Daughter | — | Pennsylvania |
| 36 | Philip J. Rocco | 5 | Son | — | Pennsylvania |
| 37 | Eleanor Rocco | 2 | Daughter | — | Pennsylvania |
| 38 | Siato Pica | 43 | Head | Millworker | Italy |
| 39 | Mary Pica | 31 | Wife | — | Italy |
| 40 | George Pica | 12 | Son | — | Pennsylvania |
| 41 | Frances Pica | 10 | Daughter | — | Pennsylvania |
| 42 | Anthony Pica | 7 | Son | — | Pennsylvania |
| 43 | Elliott Pica | 5 | Daughter | — | Pennsylvania |
| 44 | Vincenzo Morelle | 43 | Brother | Millworker | Italy |
| 45 | Philip Leopardi | 42 | Head | Millworker | Italy |
| 46 | Amelia Leopardi | 30 | Wife | — | Italy |
| 47 | Albert Leopardi | 15 | Son | — | Pennsylvania |
| 48 | Gilda Leopardi | 13 | Son | — | Pennsylvania |
| 49 | Samuel Leopardi | 11 | Son | — | Pennsylvania |
| 50 | Emmett Leopardi | 8 | Son | — | Pennsylvania |
Pedigree Summary
David
Gen 1 · 1 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)