WI
William Irwin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Washington, Pennsylvania
Our Model Tree links this William Irwin across the 1910 and 1920 US Censuses in Washington, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1898), then head of a 7-person household.
Age 22
b. ~1898
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Washington, Pennsylvania |
| Surname | Irwin |
| Given Name | William D. |
| 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 | Book-keeper |
| Industry | Wholesale Bakery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Book-Keeper |
| Township / Ward | East Washington Borough |
| Est. Birth Year | ~1898 |
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 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mabel Irwin | Daughter | — | 14 | ~1906 |
| James Irwin | Son | — | 24 | ~1896 |
| Fred Irwin | Son | — | 20 | ~1900 |
| Emma Irwin | Daughter | — | 11 | ~1909 |
| William Irwin | Son | — | 22 | ~1898 |
| Mayne Irwin | Head | — | 48 | ~1872 |
| John Irwin | Son | — | 18 | ~1902 |
Census Appearances
1910
Washington, Pennsylvania
Son, age 11
Washington, Pennsylvania · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Irwin |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Washington, Pennsylvania
Son, age 22
Washington, Pennsylvania · implied b. ~1898 — 7 household members
| Surname | Irwin |
| Given Name | William D. |
| 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 | Book-keeper |
| Industry | Wholesale Bakery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Irwin across 2 US Census years (1910 and 1920) in Washington, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Irwin
Son · 1920 · age 22 · b. ~1898 · Pennsylvania
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Sibling
Mabel Irwin
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Irwin
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Irwin
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Irwin
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Irwin
Sibling · 1920 · 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
1920 US Federal Census — Washington, Pennsylvania
Open full size
1920 US Federal Census — Washington, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1661unit:0462)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mayne R. Irwin | 48 | Head | — | Pennsylvania |
| 52 | James P. Irwin | 24 | Son | Inspector | Pennsylvania |
| 53 | William D. Irwin THIS PERSON | 22 | Son | Book-Keeper | Pennsylvania |
| 54 | Fred G. Irwin | 20 | Son | Packer | Pennsylvania |
| 55 | John V. Irwin | 18 | Son | — | Pennsylvania |
| 56 | Mabel E. Irwin | 14 | Daughter | — | Pennsylvania |
| 57 | Emma Irwin | 11 | Daughter | — | Pennsylvania |
| 58 | John R. Mccreight | 48 | Head | Attorney | Pennsylvania |
| 59 | Agnes N. Mccreight | 41 | Wife | — | Pennsylvania |
| 60 | John B. Mccreight | 8 | Son | — | Pennsylvania |
| 61 | W. Edward Mccreight | 6 | Son | — | Pennsylvania |
| 62 | Carroll J. Mccreight | 2 | Son | — | Pennsylvania |
| 63 | Marie Krutak | 15 | Servant | Servant | Austria Poland |
| 64 | Jacob Bush | 68 | Head | Glassblower | Pennsylvania |
| 65 | Susan Bush | 72 | Wife | — | Pennsylvania |
| 66 | Sarah E. Bush | 46 | Daughter | Trained Nurse | Pennsylvania |
| 67 | Thomas C. Cochran | 38 | Head | Proprietor | Pennsylvania |
| 68 | Mildred Cochran | 34 | Wife | — | England |
| 69 | Thomas C. Jr. Cochran | 11 | Son | — | Pennsylvania |
| 70 | Richard Cochran | 10 | Son | — | Pennsylvania |
| 71 | John Cochran | 8 | Son | — | Pennsylvania |
| 72 | James Booker | 34 | Head | Attorney | Pennsylvania |
| 73 | Helen Booker | 26 | Wife | — | Pennsylvania |
| 74 | Vance E. Booker | 2 | Son | — | Pennsylvania |
| 75 | Edward Booker | 1 | Son | — | Pennsylvania |
| 76 | Elizabeth Munce | 46 | Head | Teacher | Pennsylvania |
| 77 | Harriet Wilson | 46 | Head | Saleslady | Pennsylvania |
| 78 | Harry W. Findley | 25 | Head | Salesman | Pennsylvania |
| 79 | Helen Findley | 25 | Wife | — | Pennsylvania |
| 80 | John W. King | 51 | Head | Machinist | Pennsylvania |
| 81 | Ella G. King | 53 | Wife | — | Pennsylvania |
| 82 | Elizabeth Harrison | 83 | Mother-in-law | — | Pennsylvania |
| 83 | Martha B. Reed | 80 | Head | — | Pennsylvania |
| 84 | Lloyd G. Reed | 45 | Son | Retail Merchant | Pennsylvania |
| 85 | John B. Murray | 44 | Head | Physician (Medical) | Pennsylvania |
| 86 | Minnie E. Murray | 40 | Wife | — | Germany |
| 87 | Boyd H. Murray | 16 | Son | — | Pennsylvania |
| 88 | John B. Murray | 11 | Son | — | Pennsylvania |
| 89 | Katherine F. Murray | 9 | Daughter | — | Pennsylvania |
| 90 | Louis E. Murray | 3 | Son | — | Pennsylvania |
| 91 | Oscar T. Mcdonough | 49 | Head | Physician (Medical) | Pennsylvania |
| 92 | Stella Mcdonough | 36 | Wife | — | Pennsylvania |
| 93 | Oscar T. Jr. Mcdonough | 10 | Son | — | Pennsylvania |
| 94 | Margaret A. Mcdonough | 6 | Daughter | — | Pennsylvania |
| 95 | Thomas J. Bell | 31 | Head | Helper | Pennsylvania |
| 96 | Sarah Bell | 25 | Wife | — | Pennsylvania |
| 97 | Ola D. Bell | 7 | Daughter | — | Pennsylvania |
| 98 | Bonnie M. Bell | 4 | Daughter | — | Pennsylvania |
| 99 | Frank C. Bell | 1 | Son | — | Pennsylvania |
| 100 | Clarence Means | 19 | Brother-in-law | Messenger | Pennsylvania |
Related Census Records
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)