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Harry Williams — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Harry Williams across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 6-person household.
Age 50
b. ~1870
Male
Head
Born: Pennsylvania
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Williams |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Stationary Engineer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Stationary Engineer |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1870 |
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 1920 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Mary Williams | Daughter | — | 26 | ~1894 |
| Harry Williams | Head | — | 50 | ~1870 |
| Paul Williams | Son | — | 12 | ~1908 |
| Mckinley Williams | Son | — | 23 | ~1897 |
| Howard Williams | Son | — | 14 | ~1906 |
| Nellie Williams | Spouse | — | 48 | ~1872 |
Census Appearances
1900
Allegheny, Pennsylvania
Head, age 32
Allegheny, Pennsylvania · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Harry H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | Dec |
| Birth Year | 1868 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Rail Road office |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Head, age 41
Allegheny, Pennsylvania · implied b. ~1869 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 16 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Driller |
| Industry | Oil Well |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Head, age 50
Allegheny, Pennsylvania · implied b. ~1870 — 6 household members
| Surname | Williams |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Stationary Engineer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | 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 Harry Williams across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Harry Williams
Head · 1920 · age 50 · b. ~1870 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1522unit:0702)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Lauthner | 39 | Servant | Servant | Austria |
| 52 | Louis Lauthner | 30 | Chauffeur | Servant | Pennsylvania |
| 53 | Francis Armstrong | 55 | Head | Bookkeeper | New York |
| 54 | Emma C. Armstrong | 56 | Wife | — | Pennsylvania |
| 55 | Harriett Armstrong | 29 | Daughter | Stenographer | Pennsylvania |
| 56 | Harry H. Fairfield | 55 | Head | Capt. | England |
| 57 | Gertrude Fairfield | 45 | Wife | — | England |
| 58 | Wentworth H. Fairfield | 10 | Son | — | Pennsylvania |
| 59 | James R. Lee | 30 | Head | Mine Laborer | Pennsylvania |
| 60 | Catherine Lee | 27 | Wife | — | Pennsylvania |
| 61 | Jean Lee | 1 | Daughter | — | Pennsylvania |
| 62 | Charles Peters | 25 | Head | Baseman | Pennsylvania |
| 63 | Mary Peters | 23 | Wife | — | Pennsylvania |
| 64 | William Peters | 0 | Son | — | Pennsylvania |
| 65 | John D. Lilley | 35 | Head | Mine Laborer | Ohio |
| 66 | Lillie Lilley | 34 | Wife | — | Ohio |
| 67 | Russell Lilley | 14 | Son | — | Ohio |
| 68 | Richard Lilley | 13 | Son | — | Ohio |
| 69 | Hilda Lilley | 11 | Daughter | — | Ohio |
| 70 | Mildred Lilley | 9 | Daughter | — | Ohio |
| 71 | Evelyn Lilley | 7 | Daughter | — | Ohio |
| 72 | Virginia Lilley | 1 | Daughter | — | Ohio |
| 73 | Louis Matthews | 44 | Head | Mine Laborer | Germany |
| 74 | Mary Matthews | 38 | Wife | — | Scotland |
| 75 | John Matthews | 16 | Son | Mine Laborer | Pennsylvania |
| 76 | Ruth Matthews | 10 | Daughter | — | Pennsylvania |
| 77 | Violet Matthews | 9 | Daughter | — | Pennsylvania |
| 78 | Louis Jr. Matthews | 7 | Son | — | Pennsylvania |
| 79 | Albert Matthews | 0 | Son | — | Pennsylvania |
| 80 | William Singer | 28 | Head | Electrical Brakeman | Pennsylvania |
| 81 | Marion Singer | 24 | Wife | — | Pennsylvania |
| 82 | William Jr. Singer | 6 | Son | — | Pennsylvania |
| 83 | Helen Singer | 5 | Daughter | — | Pennsylvania |
| 84 | Arnold Singer | 3 | Son | — | Pennsylvania |
| 85 | Walter Singer | 1 | Son | — | Pennsylvania |
| 86 | David Singer | 0 | Son | — | Pennsylvania |
| 87 | David Summerville | 30 | Head | Machinist | Pennsylvania |
| 88 | Annie Summerville | 26 | Wife | — | Pennsylvania |
| 89 | Emerson Summerville | 1 | Son | — | Pennsylvania |
| 90 | Thomas Race | 34 | Head | Craneman | Pennsylvania |
| 91 | Annie Race | 36 | Wife | — | Pennsylvania |
| 92 | La Verna Race | 10 | Daughter | — | Pennsylvania |
| 93 | Clifford Race | 6 | Son | — | Pennsylvania |
| 94 | Leonard Race | 4 | Son | — | Pennsylvania |
| 95 | Harry Williams THIS PERSON | 50 | Head | Stationary Engineer | Pennsylvania |
| 96 | Nellie Williams | 48 | Wife | — | Pennsylvania |
| 97 | Mary Williams | 26 | Daughter | Saleslady | Pennsylvania |
| 98 | Mckinley Williams | 23 | Son | Hammer Hand | Pennsylvania |
| 99 | Howard Williams | 14 | Son | — | Pennsylvania |
| 100 | Paul Williams | 12 | Son | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)