WC
William Curtis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lawrence, Pennsylvania
Our Model Tree links this William Curtis across the 1930 and 1940 US Censuses in Lawrence, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 8-person household.
Age 22
b. ~1908
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lawrence, Pennsylvania |
| Surname | Curtis |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | National Tube |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Ellport Borough |
| Est. Birth Year | ~1908 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Violet Curtis | Daughter | — | 14 | ~1916 |
| Robert Curtis | Head | — | 46 | ~1884 |
| William Curtis | Son | — | 22 | ~1908 |
| Kenneth Curtis | Son | — | 12 | ~1918 |
| Harold Curtis | Son | — | 17 | ~1913 |
| Hugh Curtis | Son | — | 19 | ~1911 |
| James Curtis | Son | — | 8 | ~1922 |
| Elsie Curtis | Spouse | — | 44 | ~1886 |
Census Appearances
1930
Lawrence, Pennsylvania
Son, age 22
Lawrence, Pennsylvania · implied b. ~1908 — 8 household members
| Surname | Curtis |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | National Tube |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lawrence-County, Pennsylvania
Head, age 32
Lawrence-County, Pennsylvania · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtio |
| Given Name | William R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Ellwood City |
| 1935 Residence (County) | Lawrence |
| Occupation | Craneman |
| Industry | Tube mill |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 358 |
| Highest Grade | 7 |
| 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 Curtis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Curtis
Son · 1930 · age 22 · b. ~1908 · Pennsylvania
★ You are viewing this record
Sibling
Harold Curtis
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Curtis
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Curtis
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Curtis
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Curtis
Sibling · 1930 · age 12
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 — Lawrence, Pennsylvania
Open full size
1930 US Federal Census — Lawrence, Pennsylvania
Page Contents
37 people indexed on this census page (ia:1930:fifteenthcensus00reel2059:0749)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Robert Curtis | 46 | Head | Miner | Pennsylvania |
| 52 | Elsie M Curtis | 44 | Wife | — | Pennsylvania |
| 53 | Violet M Curtis | 14 | Daughter | — | Pennsylvania |
| 54 | William J Curtis THIS PERSON | 22 | Son | Laborer | Pennsylvania |
| 55 | Hugh D Curtis | 19 | Son | Laborer | Ohio |
| 56 | Harold S Curtis | 17 | Son | Laborer | Pennsylvania |
| 57 | Kenneth W Curtis | 12 | Son | — | Pennsylvania |
| 58 | James M Curtis | 8 | Son | — | Pennsylvania |
| 59 | Joseph Molnar | 45 | Head | Laborer | Hungary |
| 60 | Mary Molnar | 36 | Wife | — | Hungary |
| 61 | Steve Molnar | 19 | Son | — | Pennsylvania |
| 62 | Helen Molnar | 16 | Daughter | — | Pennsylvania |
| 63 | Joseph Jr Molnar | 12 | Son | — | Pennsylvania |
| 64 | Frank Molnar | 9 | Son | — | Pennsylvania |
| 65 | Daniel Toth | 29 | Head | Laborer | Hungary |
| 66 | Iona Toth | 18 | Wife | — | Pennsylvania |
| 67 | Clyde M Cander | 34 | Head | Laborer | Pennsylvania |
| 68 | Mary E Cander | 33 | Wife | — | Pennsylvania |
| 69 | Alice F Cander | 14 | Daughter | — | Pennsylvania |
| 70 | Lloyd A Cander | 12 | Son | — | Pennsylvania |
| 71 | Eva E Cander | 10 | Son | — | Pennsylvania |
| 72 | Harry Kettler | 46 | Lodger | Carpenter | Pennsylvania |
| 73 | Arthur Kettler | 22 | Lodger | Laborer | Pennsylvania |
| 74 | Lloyd Kettler | 20 | Lodger | Laborer | Pennsylvania |
| 75 | Daniel Mains | 79 | Head | — | Pennsylvania |
| 76 | James Mains | 90 | Brother | — | Pennsylvania |
| 77 | John Mains | 86 | Brother | — | Pennsylvania |
| 78 | Leah Russell | 44 | Head | Drayman | Pennsylvania |
| 79 | Minnie M Russell | 40 | Wife | — | Pennsylvania |
| 80 | Lola M Russell | 21 | Daughter | Clerk | Pennsylvania |
| 81 | Phylis J Russell | 3 | Daughter | — | Pennsylvania |
| 82 | Joseph Rubosky | 51 | Head | Laborer | Hungary |
| 83 | Elizabeth Rubosky | 45 | Wife | — | Hungary |
| 84 | Steve Rubosky | 26 | Son | Pipe Fitter | Hungary |
| 85 | Helen Rubosky | 22 | Daughter-in-law | — | Pennsylvania |
| 86 | Helen Jr Rubosky | 1 | Daughter | — | Pennsylvania |
| 87 | Mary Molnar | 1 | Daughter | Maid | 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)