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Earl Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Earl Allen across the 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Allen |
| Given Name | Earl J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Highest Grade | G 3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines |
| Est. Birth Year | ~1930 |
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 1940 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Earl Allen | Son | — | 10 | ~1930 |
| James Allen | Head | — | 57 | ~1883 |
| E Allen | Son | — | 12 | ~1928 |
| Betty Allen | Daughter | — | 5 | ~1935 |
| Nancy Allen | Daughter | — | 2 | ~1938 |
| Goldie Allen | Spouse | — | 34 | ~1906 |
| Juanita Allen | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Polk, Iowa
Son, age
Polk, Iowa · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Son, age 10
Polk-County, Iowa · implied b. ~1930 — 7 household members
| Surname | Allen |
| Given Name | Earl J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines |
| 1935 Residence (County) | Polk |
| Highest Grade | G 3 |
| 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 Earl Allen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Earl Allen
Son · 1940 · age 10 · b. ~1930 · Iowa
★ You are viewing this record
Sibling
Juanita Allen
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Allen
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Allen
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
E Allen
Sibling · 1940 · age 12
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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01197-00129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Maurice A Castel | 41 | Head | Store Operator | Illinois |
| 42 | Ida M Castel | 39 | Wife | Sales Clerk | Illinois |
| 43 | Ruth Ann Castel | 11 | daughter | — | Illinois |
| 44 | Merl W Dewitt | 25 | Head | Minister | Minnesota |
| 45 | Vonie M Dewitt | 27 | wife | Asst. To Minister | Arkansas |
| 46 | Gerald E Dewitt | 2 | son | — | Iowa |
| 47 | Carl A Telis | 32 | Head | Sheet Metal Worker | Iowa |
| 48 | Minnie L Telis | 33 | wife | — | Idaho |
| 49 | Marjorie Telis | 11 | daughter | — | Iowa |
| 50 | Barbara Telis | 8 | daughter | — | Iowa |
| 51 | Frank Mcquiston | 73 | Boarder | — | Iowa |
| 53 | E. Virtus Perkins | 62 | Head | Caretaker | Iowa |
| 54 | Ada M Perkins | 50 | wife | — | Illinois |
| 55 | Ronald S Perkins | 22 | son | Shipping Clerk | Iowa |
| 57 | Arthur E Warren | 60 | Head | Portable Harness Repair | Iowa |
| 58 | Sadie Warren | 60 | wife | — | Iowa |
| 59 | James M Allen | 57 | Head | Janitor & House Service | Kentucky |
| 60 | Goldie A Allen | 34 | wife | House Work | Iowa |
| 61 | Juanita L Allen | 14 | daughter | — | Iowa |
| 62 | E. Warren Allen | 12 | son | — | Kentucky |
| 63 | Earl J. Allen THIS PERSON | 10 | son | — | Iowa |
| 64 | Betty Lou Allen | 5 | daughter | — | Iowa |
| 65 | Nancy K. Allen | 2 | daughter | — | Iowa |
| 67 | Bowen Campbell | 38 | Head | Mechanical Engineering | Iowa |
| 68 | Maxine Campbell | 34 | wife | — | Iowa |
| 69 | Crom B Campbell | 11 | son | — | Iowa |
| 70 | Robert B Campbell | 7 | son | — | Iowa |
| 71 | Bowen Jr. Campbell | 2 | son | — | Iowa |
| 72 | Horace B Campbell | 70 | Head | Pres & Manager Of Factory | Iowa |
| 73 | Nellie B Campbell | 63 | wife | — | Iowa |
| 74 | Clarence Koenigsberger | 50 | Head | Business Mgr. | Iowa |
| 75 | Anna Koenigsberger | 49 | wife | — | Massachusetts |
| 76 | John R. Koenigsberger | 26 | son | Salesman | Iowa |
| 77 | E. Jean Koenigsberger | 21 | daughter | Secretarial | Iowa |
| 78 | Dewitt Q Williams | 44 | Head | Teacher | Iowa |
| 79 | Grace Williams | 45 | wife | — | Iowa |
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)