WA
William Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Story-County, Iowa
Our Model Tree links this William Allen across the 1920, 1930 and 1940 US Censuses in Story-County, Iowa (XGBoost, ~Confirmed), with identified parents Clarence & Don — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Story-County, Iowa |
| Surname | Allen |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Nevada City |
| 1935 Residence (County) | Story |
| Additional Details | |
| Occupation | Typist |
| Industry | Donnelly's |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 598 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Typist |
| Township / Ward | Nevada City |
| Est. Birth Year | ~1918 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Don Allen | Head | — | 56 | ~1884 |
| William Allen | Son | — | 22 | ~1918 |
| Mary Allen | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Story, Iowa
Son, age 3
Story, Iowa · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Willard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Story, Iowa
Son, age 13
Story, Iowa · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Willard E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Story-County, Iowa
Son, age 22
Story-County, Iowa · implied b. ~1918 — 3 household members
| Surname | Allen |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Nevada City |
| 1935 Residence (County) | Story |
| Occupation | Typist |
| Industry | Donnelly's |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 598 |
| Highest Grade | Hs 4 |
| 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 William Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clarence Allen (~0.92 confidence) and father Don Allen (~0.92 confidence) and father Clarence Allen (~0.92 confidence) and mother Mary Allen (~0.92 confidence) and mother Dora Allen (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clarence Allen
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Don Allen
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Clarence Allen
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Mary Allen
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Dora Allen
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Allen
Son · 1940 · age 22 · b. ~1918 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Story-County, Iowa
Open full size
1940 US Federal Census — Story-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01206-00728)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jimmy Cynarous|Cynarons | 13 | Son | — | Iowa |
| 2 | Joan Cynarous|Cynarons | 10 | Daughter | — | Iowa |
| 3 | Kathleen Cynarous|Cynarons | 8 | Daughter | — | Iowa |
| 4 | Mary Lou Cynarous|Cynarons | 6 | Daughter | — | Iowa |
| 5 | Glen Cynarous|Cynarons | 4 | Son | — | Iowa |
| 6 | Fred Shelley | 45 | Head | Carpenter | Pennsylvania |
| 7 | Nellie R. Shelley | 62 | Wife | Housewife | Iowa |
| 8 | Ilo Shelley | 32 | Daughter | Filing Clerk | Iowa |
| 9 | Calvin Voogs | 25 | Head | Filling Station | Illinois |
| 10 | Cleo Voogs | 22 | Wife | Stenographer | Iowa |
| 11 | Roy Bonine | 36 | Head | Electrician | N. Dakota |
| 12 | Irene Bonine | 31 | Wife | Housewife | Iowa |
| 13 | Janet M. Bonine | 9 | Daughter | — | Iowa |
| 14 | Elmer Meyer | 35 | Head | Laborer | Iowa |
| 15 | Hilma Meyer | 35 | Wife | Housework | Iowa |
| 16 | Annabelle Meyer | 16 | Daughter | — | Iowa |
| 17 | Donna Lou Meyer | 9 | Daughter | — | Iowa |
| 18 | Clarence Pullen | 54 | Head | Farmer | Iowa |
| 19 | Irene D. Pullen | 45 | Wife | Housewife | Iowa |
| 20 | Walter Dahl | 28 | Head | Nurse | Wisconsin |
| 21 | Mayme R. Dahl | 27 | Wife | Nurse | Iowa |
| 22 | Don Allen | 56 | Head | Stocking Clerk | Iowa |
| 23 | Mary Allen | 52 | Wife | Housewife | Iowa |
| 24 | William Allen THIS PERSON | 22 | Son | Typist | Iowa |
| 25 | Frank Clark | 59 | Head | — | Ohio |
| 26 | Anna Faye Clark | 49 | Wife | Housework | Iowa |
| 27 | Kenneth Clark | 25 | Son | Laborer | Iowa |
| 28 | Leota B. Emerson | 40 | Head | Housewife | Iowa |
| 29 | Wilma Emerson | 21 | Daughter | Clerk | Iowa |
| 30 | Delores Emerson | 19 | Daughter | Typist | Iowa |
| 31 | Dick Emerson | 14 | Son | — | Iowa |
| 32 | Chas. Hammond | 45 | Head | Laborer | Michigan |
| 33 | Gladys Hammond | 34 | Wife | Housework | Missouri |
| 34 | Harry Evans | 45 | Head | Laborer | Indiana |
| 35 | Nora Evans | 41 | Wife | Laundress | Iowa |
| 36 | Celia Evans | 16 | Daughter | — | Iowa |
| 37 | Wilford Evans | 12 | Son | — | Iowa |
| 38 | Clarence Young | 47 | Head | Laborer | Iowa |
| 39 | Florence Young | 39 | Wife | Housewife | Missouri |
| 40 | Leona Young | 19 | Daughter | Housework | Iowa |
Pedigree Summary
William
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)