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James Whalen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Whalen across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Whalen |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wall Boro |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Wall Boro |
| Est. Birth Year | ~1925 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| John Whalen | Son | — | 8 | ~1932 |
| Anna Whalen | Spouse | — | 37 | ~1903 |
| James Whalen | Head | — | 38 | ~1902 |
| James Whalen | Son | — | 15 | ~1925 |
| Robert Whalen | Son | — | 10 | ~1930 |
| Betty Whalen | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 5
Allegheny, Pennsylvania · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Whalen |
| Given Name | James jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 15
Allegheny-County, Pennsylvania · implied b. ~1925 — 6 household members
| Surname | Whalen |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wall Boro |
| 1935 Residence (County) | Allegheny |
| Highest Grade | H-1 |
| 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 James Whalen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Whalen
Son · 1940 · age 15 · b. ~1925 · Pennsylvania
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Sibling
Betty Whalen
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Whalen
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Whalen
Sibling · 1940 · age 10
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
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03420-00258)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louis Mastrogicomo | 9 | Son | — | Pennsylvania |
| 42 | James P. Whalen | 38 | Head | Clerk | Pennsylvania |
| 43 | Anna Whalen | 37 | Wife | — | Pennsylvania |
| 44 | James Jr. Whalen THIS PERSON | 15 | Son | — | Pennsylvania |
| 45 | Betty Whalen | 11 | Daughter | — | Pennsylvania |
| 46 | Robert Whalen | 10 | Son | — | Pennsylvania |
| 47 | John Whalen | 8 | Son | — | Pennsylvania |
| 48 | Joseph Macko | 51 | Head | Laborer | Czechoslovakia |
| 49 | Susan Macko | 46 | Wife | — | Czechoslovakia |
| 50 | Joseph Macko | 22 | Son | Laborer | Pennsylvania |
| 51 | George Macko | 15 | Son | — | Pennsylvania |
| 52 | Rosario Daci | 47 | Head | Laborer | Italy |
| 53 | Rose Daci | 41 | Wife | — | Italy |
| 54 | Joseph Daci | 22 | Son | Laborer | Pennsylvania |
| 55 | Frank Daci | 20 | Son | — | Pennsylvania |
| 56 | Peter Daci | 18 | Son | Laborer | Pennsylvania |
| 57 | Samuel Daci | 13 | Son | — | Pennsylvania |
| 58 | Kathryn Daci | 11 | Daughter | — | Pennsylvania |
| 59 | Rose Jr. Daci | 9 | Daughter | — | Pennsylvania |
| 60 | George Yenchi | 29 | Head | Machinist | Pennsylvania |
| 61 | Anna Yenchi | 24 | Wife | — | Pennsylvania |
| 62 | Eugene Yenchi | 2 | Son | — | Pennsylvania |
| 63 | Annetta Yenchi | 1 | Daughter | — | Pennsylvania |
| 64 | Nick Rudlowsky | 48 | Head | Laborer | Austria |
| 65 | Nick Jr. Rudlowsky | 20 | Son | Messenger | Pennsylvania |
| 66 | Margaret Rudlowsky | 19 | Daughter | — | Pennsylvania |
| 67 | Alice Rudlowsky | 17 | Daughter | — | Pennsylvania |
| 68 | Michael Doperak | 32 | Head | Laborer | Pennsylvania |
| 69 | Anna Doperak | 22 | Wife | — | Pennsylvania |
| 70 | Paul Pavlo | 48 | Head | Car-Helper | Czechoslovakia |
| 71 | Ann Pavlo | 44 | Wife | — | Czechoslovakia |
| 72 | Helen Pavlo | 22 | Daughter | Laborer | Pennsylvania |
| 73 | Louise Pavlo | 19 | Daughter | Housekeeper | Pennsylvania |
| 74 | Paul Pavlo | 15 | Son | — | Pennsylvania |
| 75 | Olga Pavlo | 12 | Daughter | — | Pennsylvania |
| 76 | Wilma Pavlo | 11 | Daughter | — | Pennsylvania |
| 77 | Joan Pavlo | 7 | Daughter | — | Pennsylvania |
| 78 | Mike Yenchi | 53 | Head | Laborer | Austria |
| 79 | Anna Yenchi | 52 | Wife | — | Austria |
| 80 | John Yenchi | 25 | Son | Laborer | Pennsylvania |
Related Census Records
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)