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James Whalen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allamakee-County, Iowa
Our Model Tree links this James Whalen across the 1930 and 1940 US Censuses in Allamakee-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allamakee-County, Iowa |
| Surname | Whalen |
| Given Name | James L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | French Creek |
| 1935 Residence (County) | Allamakee |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | French Creek |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Julia Whalen | Daughter | — | 15 | ~1925 |
| Wm Whalen | Head | — | 52 | ~1888 |
| Daniel Whalen | Son | — | 8 | ~1932 |
| Helen Kelleher | Other | — | 22 | ~1918 |
| Vivian Kelleher | Other | — | 32 | ~1908 |
| James Whalen | Son | — | 12 | ~1928 |
| Delores Whalen | Daughter | — | 19 | ~1921 |
| Dorothy Whalen | Daughter | — | 13 | ~1927 |
| Donald Whalen | Son | — | 19 | ~1921 |
Census Appearances
1930
Allamakee, Iowa
Son, age 2
Allamakee, Iowa · implied b. ~1928 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Whalen |
| Given Name | James L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Allamakee-County, Iowa
Son, age 12
Allamakee-County, Iowa · implied b. ~1928 — 9 household members
| Surname | Whalen |
| Given Name | James L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | French Creek |
| 1935 Residence (County) | Allamakee |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 12 · b. ~1928 · Iowa
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Sibling
Julia Whalen
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Whalen
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delores Whalen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Whalen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Whalen
Sibling · 1940 · age 8
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 — Allamakee-County, Iowa
Open full size
1940 US Federal Census — Allamakee-County, Iowa
Page Contents
12 people indexed on this census page (nara:1940:m-t0627-01136-00794)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lois Walsh | 10 | daughter | — | Iowa |
| 42 | Virginia Walsh | 8 | daughter | — | Iowa |
| 43 | John Walsh | 6 | son | — | Iowa |
| 44 | Wm J Whalen | 52 | Head | Farmer | Iowa |
| 45 | Donald Whalen | 19 | son | Farmer At Home | Iowa |
| 46 | Delores Whalen | 19 | daughter | — | Iowa |
| 47 | Julia Whalen | 15 | daughter | — | Iowa |
| 48 | Dorothy Whalen | 13 | daughter | — | Iowa |
| 49 | James L Whalen THIS PERSON | 12 | son | — | Iowa |
| 50 | Daniel J Whalen | 8 | son | — | Iowa |
| 51 | Vivian Bryant Kelleher | 32 | Lodger | Salesman | Iowa |
| 52 | Helen Kelleher | 22 | Lodger wife | Teacher | North Dakota |
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)