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Clara Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Decatur-County, Iowa
Our Model Tree links this Clara Allen across the 1920, 1930 and 1940 US Censuses in Decatur-County, Iowa (XGBoost, ~Confirmed), with identified parents Aaron & Nettie — first a daughter (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Decatur-County, Iowa |
| Surname | Allen |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Lamoni city |
| 1935 Residence (County) | Decatur |
| Additional Details | |
| Occupation | Assistant Cashier |
| Industry | Bank |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 156 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Assistant Cashier |
| Township / Ward | Lamoni City |
| Est. Birth Year | ~1911 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clara | Age | Birth yr |
|---|---|---|---|---|
| Le Allen | Daughter | — | 42 | ~1898 |
| Rolland Allen | Son | — | 48 | ~1892 |
| Eva Allen | Daughter | — | 45 | ~1895 |
| Nettie Allen | Head | — | 71 | ~1869 |
| Clara Allen | Daughter | — | 29 | ~1911 |
Census Appearances
1920
Decatur, Iowa
Daughter, age 9
Decatur, Iowa · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Decatur, Iowa
Daughter, age 19
Decatur, Iowa · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Clara |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | teacher |
| Industry | Latter Day Saint Church |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Decatur-County, Iowa
Daughter, age 29
Decatur-County, Iowa · implied b. ~1911 — 5 household members
| Surname | Allen |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Lamoni city |
| 1935 Residence (County) | Decatur |
| Occupation | Assistant Cashier |
| Industry | Bank |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 156 |
| Highest Grade | H-4 |
| 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 Clara Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Aaron Allen (~0.92 confidence) and mother Nettie Allen (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Aaron Allen
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Nettie Allen
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clara Allen
Daughter · 1940 · age 29 · b. ~1911 · Iowa
★ You are viewing this record
Sibling
Eva Allen
Sibling · 1940 · age 45
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rolland Allen
Sibling · 1940 · age 48
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Le Allen
Sibling · 1940 · age 42
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 — Decatur-County, Iowa
Open full size
1940 US Federal Census — Decatur-County, Iowa
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01154-00585)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Arden Hartley | 21 | Son | — | Iowa |
| 42 | Al Lasley | 30 | Head | — | Iowa |
| 43 | Sarah P. Lasley | 24 | Wife | — | Iowa |
| 44 | Leon Stiebel | 31 | Head | Electric Engineer | Iowa |
| 45 | Emma Q. Stiebel | 32 | Wife | Clerk | Iowa |
| 46 | Louise Tendberg | 11 | Daughter | — | Missouri |
| 47 | George P. Looley | 76 | Head | — | Iowa |
| 48 | Ida May Looley | 63 | Wife | — | Canada |
| 49 | George W. Johnson | 84 | Head | — | Michigan |
| 50 | Luella Johnson | 79 | Wife | — | Pennsylvania |
| 51 | Sybillia Genor | 81 | Head | — | Utah |
| 52 | Ira Bowen | 57 | Head | Manager | Iowa |
| 53 | Mattie P. Bowen | 56 | Wife | — | Missouri |
| 54 | Jane Bowen | 20 | Daughter | Telephone Operator | Wyoming |
| 55 | Ira Bowen | 43 | Head | Salesman | Missouri |
| 56 | Susie P. Bowen | 39 | Wife | — | Iowa |
| 57 | Ruth Marie Bowen | 3 | Daughter | — | Iowa |
| 58 | Nettie Allen | 71 | Head | — | Michigan |
| 59 | Eva Allen | 45 | Daughter | — | Iowa |
| 60 | Le May Allen | 42 | Daughter | Bookkeeper | Iowa |
| 61 | Rolland Allen | 48 | Son | Yard Man | Iowa |
| 62 | Clara Allen THIS PERSON | 29 | Daughter | Assistant Cashier | Iowa |
| 63 | Pleasant Cole | 37 | Head | Truck Driver | Kansas |
| 64 | Edna Cole | 38 | Wife | — | Iowa |
| 65 | Burnham Dilley | 38 | Head | Station Agent | Iowa |
| 66 | Thelma Dilley | 36 | Wife | — | Iowa |
| 67 | Junis Lee Dilley | 5 | Daughter | — | Missouri |
| 68 | James Dilley | 4 | Son | — | Iowa |
| 69 | Mary E. Mcelroy | 86 | Head | — | Ohio |
| 70 | Franklin H. Bowen | 72 | Head | — | Missouri |
| 71 | Ida Bowen | 65 | Wife | — | Iowa |
| 72 | Albert Fleet | 53 | Head | — | Indiana |
| 73 | Marie Fleet | 53 | Wife | — | Iowa |
| 74 | Blanche Letts | 77 | Head | — | Iowa |
| 75 | Orville Dickey | 64 | Head | Barber | Missouri |
| 76 | Effie Dickey | 58 | Wife | — | Iowa |
Pedigree Summary
Clara + 3 siblings
Gen 1 · 2 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)