EL
Earl Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pottawattamie-County, Iowa
Our Model Tree links this Earl Lewis across the 1920, 1930 and 1940 US Censuses in Pottawattamie-County, Iowa (XGBoost, ~Confirmed), with identified parents John & Effie — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pottawattamie-County, Iowa |
| Surname | Lewis |
| Given Name | Earl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Pottawattamie |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 133 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | Neola Township |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Aleda Lewis | Spouse | — | 23 | ~1917 |
| Earl Lewis | Head | — | 29 | ~1911 |
| Earl Lewis | Son | — | 3 | ~1937 |
Census Appearances
1920
Pottawattamie, Iowa
Son, age 9
Pottawattamie, Iowa · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Occupation | Student |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Pottawattamie, Iowa
Son, age 19
Pottawattamie, Iowa · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Earl R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Gen farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Pottawattamie-County, Iowa
Head, age 29
Pottawattamie-County, Iowa · implied b. ~1911 — 3 household members
| Surname | Lewis |
| Given Name | Earl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Pottawattamie |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 133 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| 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 Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Lewis (~0.92 confidence) and mother Effie Lewis (~0.92 confidence) and mother Effie Lewis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Lewis
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Effie Lewis
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Effie Lewis
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Earl Lewis
Head · 1940 · age 29 · b. ~1911 · 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 — Pottawattamie-County, Iowa
Open full size
1940 US Federal Census — Pottawattamie-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01199-00831)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Martin Christensen | 59 | Head | Farmer | Denmark |
| 42 | Mervin Christensen | 12 | Son | — | Iowa |
| 43 | Merrill Christensen | 10 | Son | — | Iowa |
| 44 | Ida Lene Christensen | 6 | Daughter | — | Iowa |
| 46 | Frank Reynolds | 37 | Head | Farm Laborer | Iowa |
| 47 | Frances Reynolds | 35 | Wife | — | Iowa |
| 48 | Ruth Ann Reynolds | 14 | Daughter | — | Iowa |
| 49 | Clinton Reynolds | 12 | Son | — | Iowa |
| 50 | Frances J. Reynolds | 6 | Daughter | — | Iowa |
| 51 | Shirley Reynolds | 2 | Daughter | — | Iowa |
| 52 | George B. Moffatt | 49 | Head | Farmer | Iowa |
| 53 | Leila V. Moffatt | 43 | Wife | — | Iowa |
| 54 | Byron L. Moffatt | 23 | Son | Farm Laborer | Iowa |
| 55 | Helen Mae Moffatt | 16 | Daughter | — | Iowa |
| 56 | George B. Jr. Moffatt | 14 | Son | Farm Laborer | Iowa |
| 57 | Bonnie J. Moffatt | 12 | Daughter | — | Iowa |
| 58 | Joyce O. Moffatt | 9 | Daughter | — | Iowa |
| 59 | Howard E. Moffatt | 7 | Son | — | Iowa |
| 60 | Sally J. Moffatt | 6 | Daughter | — | Iowa |
| 61 | Earl E. Armstrong | 28 | Head | Farmer | Iowa |
| 62 | Lucy Armstrong | 28 | Wife | — | Washington |
| 63 | Eugene Armstrong | 8 | Son | — | Iowa |
| 64 | Nancy Armstrong | 1 | Daughter | — | Iowa |
| 65 | Garry Armstrong | 0 | Son | — | Iowa |
| 66 | Earl Lewis THIS PERSON | 29 | Head | Farm Laborer | Iowa |
| 67 | Aleda Lewis | 23 | Wife | — | Iowa |
| 68 | Earl R. Lewis | 3 | Son | — | Iowa |
| 69 | Albert Lewis | 34 | Head | Farmer | Iowa |
| 70 | Irene Lewis | 28 | Wife | — | Iowa |
| 71 | James R. Handbury | 53 | Head | Farmer | Iowa |
| 72 | Amy Handbury | 50 | Wife | — | Iowa |
| 73 | Frank Handbury | 20 | Son | Farmer | Iowa |
| 74 | Anna C. Bennett | 49 | Head | — | Iowa |
| 75 | Alvin Petersen | 33 | Hired hand | Farm Laborer | Iowa |
| 76 | John A. Bennett | 54 | Head | Farmer | Iowa |
| 77 | Anna M. Bennett | 50 | Wife | — | Iowa |
| 78 | Fred B. Nordevater | 52 | Head | Farmer | Iowa |
| 79 | Myrtle Nordevater | 48 | Wife | — | Iowa |
| 80 | Peter Frahm | 57 | Hired hand | Farm Laborer | Iowa |
Related Census Records
Pedigree Summary
Earl
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)