DA
Donald Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Benton-County, Iowa
Our Model Tree links this Donald Allen across the 1920, 1930 and 1940 US Censuses in Benton-County, Iowa (XGBoost, ~Confirmed), with identified parents Harry & Lola — first a son (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Male
Son
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Benton-County, Iowa |
| Surname | Allen |
| Given Name | Donald C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Belle Plaine town |
| 1935 Residence (County) | Benton |
| Additional Details | |
| Occupation | Laborer |
| Industry | Stone Quarry |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 375 |
| Highest Grade | H-1 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Belle Plaine Town |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Eras Zeigler | Other | — | 86 | ~1854 |
| Terry Allen | Other | — | 1 | ~1939 |
| Harry Allen | Head | — | 51 | ~1889 |
| Madelyne Allen | Daughter | — | 16 | ~1924 |
| Lois Allen | Other | — | 22 | ~1918 |
| Richard Allen | Son | — | 20 | ~1920 |
| Donald Allen | Son | — | 22 | ~1918 |
| Lola Allen | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Benton, Iowa
Son, age 2
Benton, Iowa · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Benton, Iowa
Son, age 12
Benton, Iowa · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Benton-County, Iowa
Son, age 22
Benton-County, Iowa · implied b. ~1918 — 8 household members
| Surname | Allen |
| Given Name | Donald C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Belle Plaine town |
| 1935 Residence (County) | Benton |
| Occupation | Laborer |
| Industry | Stone Quarry |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 375 |
| Highest Grade | H-1 |
| 1935 Residence | Same house |
| 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 Donald Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Allen (~0.92 confidence) and mother Lola Allen (~0.92 confidence) and mother Lola Allen (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Allen
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Lola Allen
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Lola Allen
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Allen
Son · 1940 · age 22 · b. ~1918 · Iowa
★ You are viewing this record
Sibling
Richard Allen
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madelyne Allen
Sibling · 1940 · age 16
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 — Benton-County, Iowa
Open full size
1940 US Federal Census — Benton-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01138-00044)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard O. Barker | 23 | Son | Extra City Marshal | Iowa |
| 2 | Harold A. Hall | 45 | Head | — | Iowa |
| 3 | Sarah H. Hall | 45 | Wife | — | Wisconsin |
| 4 | Betty M. Hall | 20 | Daughter | Maid | Iowa |
| 5 | Robert H. Hall | 18 | Son | — | Iowa |
| 6 | Mildred M. Quail | 42 | Head | Cleaning Woman | Iowa |
| 7 | Keith Quail | 16 | Son | — | Iowa |
| 8 | Ivy M. Jordan | 40 | Sister | Cleaning Woman | Iowa |
| 9 | Milton M. Fisher | 44 | Head | Carpenter | Iowa |
| 10 | Myrtle F. Fisher | 41 | Wife | — | Iowa |
| 11 | Herbert N. Fisher | 20 | Son | Attendant | Iowa |
| 12 | Alan L. Fisher | 15 | Son | — | Iowa |
| 13 | Samuel Dunlap | 75 | Head | — | Ireland |
| 14 | Margaret Dunlap | 75 | Wife | — | Ireland |
| 15 | Harry M. Hall | 49 | Head | Freight Conductor | Iowa |
| 16 | Blanche M. Hall | 45 | Sister | — | Iowa |
| 17 | F. Ray Keavell | 52 | Head | Building Contractor | Iowa |
| 18 | Maude D. Keavell | 46 | Wife | — | So. Dakota |
| 19 | John L. Keavell | 7 | Son | — | Iowa |
| 20 | George D. Hall | 44 | Head | Freight Brakeman | Iowa |
| 21 | Edith E. Hall | 42 | Wife | — | Iowa |
| 22 | Marian M. Hall | 15 | Daughter | — | Iowa |
| 23 | Lorraine A. Hall | 13 | Daughter | — | Iowa |
| 24 | Lawrence P. Brady | 68 | Head | Passenger Conductor | Illinois |
| 25 | Margaret F. Brady | 70 | Wife | — | Czechoslovakia |
| 26 | Susie Ogilvie | 76 | Head | — | Iowa |
| 27 | James Ogilvie | 49 | Son | Assistant Yard Master | Iowa |
| 28 | Harry W. Twelve | 65 | Head | Interior Decorator | Iowa |
| 29 | Julia E. Twelve | 26 | Daughter | Clerk | Iowa |
| 30 | Lois C. Twelve | 24 | Daughter | Waitress | Iowa |
| 31 | Ruth D. Twelve | 17 | Daughter | — | Iowa |
| 32 | Harry B. Allen | 51 | Head | Car Repairer | Iowa |
| 33 | Lola J. Allen | 42 | Wife | — | Iowa |
| 34 | Richard W. Allen | 20 | Son | Laborer | Iowa |
| 35 | Madelyne R. Allen | 16 | Daughter | — | Iowa |
| 36 | Donald C. Allen THIS PERSON | 22 | Son | Laborer | Iowa |
| 37 | Lois M. Allen | 22 | Daughter-in-law | — | Iowa |
| 38 | Terry D. Allen | 1 | Grandson | — | Iowa |
| 39 | Eras Zeigler | 86 | Father-in-law | — | Iowa |
| 40 | Henry C. Henneke | 64 | Head | Operator | Nebraska |
Related Census Records
Pedigree Summary
Donald + 2 siblings
Gen 1 · 3 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)