WD
William Donnelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Northampton-County, Pennsylvania
Our Model Tree links this William Donnelly across the 1930 and 1940 US Censuses in Northampton-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 5-person household.
Age 43
b. ~1897
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Northampton-County, Pennsylvania |
| Surname | Donnelly |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilson Borough |
| 1935 Residence (County) | Northampton |
| Additional Details | |
| Occupation | Baker |
| Industry | Bakery |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Baker |
| Township / Ward | Wilson Borough |
| Est. Birth Year | ~1897 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Katherine Donnelly | Spouse | — | 40 | ~1900 |
| Richard Donnelly | Son | — | 11 | ~1929 |
| Doris Donnelly | Daughter | — | 12 | ~1928 |
| Shirley Donnelly | Daughter | — | 7 | ~1933 |
| William Donnelly | Head | — | 43 | ~1897 |
Census Appearances
1930
Northampton, Pennsylvania
Head, age 33
Northampton, Pennsylvania · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | William S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 29 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Baker |
| Industry | Bake shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Northampton-County, Pennsylvania
Head, age 43
Northampton-County, Pennsylvania · implied b. ~1897 — 5 household members
| Surname | Donnelly |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilson Borough |
| 1935 Residence (County) | Northampton |
| Occupation | Baker |
| Industry | Bakery |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Donnelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Donnelly
Head · 1940 · age 43 · b. ~1897 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Northampton-County, Pennsylvania
Open full size
1940 US Federal Census — Northampton-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03594-00644)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | E. Irwin Jones | 75 | Head | — | Pennsylvania |
| 2 | Claude Eugene Theller | 56 | Head | Machinist | Pennsylvania |
| 3 | Florence Mae Theller | 52 | Wife | — | Pennsylvania |
| 4 | Irene Mae Theller | 16 | Daughter | Operator | Pennsylvania |
| 5 | Charles Hart | 72 | Head | — | New Jersey |
| 6 | Annie O. Hart | 68 | Wife | — | New Jersey |
| 7 | Charles Jr. Hart | 32 | Son | Laborer | New Jersey |
| 8 | Dorothy Hart | 27 | Daughter-in-law | — | Pennsylvania |
| 9 | Robert Hart | 1 | Grandson | — | Pennsylvania |
| 10 | Elmer E. Kleckner | 41 | Head | Shipping Clerk | Pennsylvania |
| 11 | Gertrude O. Kleckner | 43 | Wife | — | New Jersey |
| 12 | Paul Kleckner | 20 | Son | — | Pennsylvania |
| 13 | Lois Kleckner | 12 | Daughter | — | Pennsylvania |
| 14 | Clara E. Litzinger | 52 | Head | — | Ohio |
| 15 | Daryl Litzinger | 17 | Son | — | Pennsylvania |
| 16 | John Thomas | 34 | Head | Smelter | Pennsylvania |
| 17 | Caroline Thomas | 34 | Wife | — | Pennsylvania |
| 18 | Lorraine Thomas | 6 | Daughter | — | Pennsylvania |
| 19 | John Jr. Thomas | 12 | Son | — | Pennsylvania |
| 20 | John William Moore | 47 | Head | Laborer | Pennsylvania |
| 21 | Ada Moore | 44 | Wife | — | Pennsylvania |
| 22 | Harry Mickley | 32 | Head | Shipping Clerk | Pennsylvania |
| 23 | Pearl Mickley | 31 | Wife | — | Pennsylvania |
| 24 | Donna Marie Mickley | 13 | Daughter | — | Pennsylvania |
| 25 | Donald Mickley | 7 | Son | — | Pennsylvania |
| 26 | Willard Sr. Steuber | 49 | Head | Laborer | Pennsylvania |
| 27 | Elizabeth Steuber | 46 | Wife | — | Pennsylvania |
| 28 | Willard Jr. Steuber | 19 | Son | Laborer | Pennsylvania |
| 29 | Beatrice Steuber | 17 | Daughter | — | Pennsylvania |
| 30 | Miriam Steuber | 10 | Daughter | — | Pennsylvania |
| 31 | Beverly Steuber | 2 | Daughter | — | Pennsylvania |
| 32 | Thomas P. Mcnally | 49 | Head | Electric Welder | New Jersey |
| 33 | Helen Mcnally | 47 | Wife | — | Pennsylvania |
| 34 | William Donnelly THIS PERSON | 43 | Head | Baker | Pennsylvania |
| 35 | Katherine Donnelly | 40 | Wife | — | New Jersey |
| 36 | Richard Donnelly | 11 | Son | — | Pennsylvania |
| 37 | Doris Donnelly | 12 | Daughter | — | Pennsylvania |
| 38 | Shirley Donnelly | 7 | Daughter | — | Pennsylvania |
| 39 | Harry M. Ritter | 48 | Head | Salesman | Pennsylvania |
| 40 | Gertrude S. Ritter | 48 | Wife | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)