LS
Luther Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Luther Smith across the 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 11-person household.
Age 60
b. ~1880
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Smith |
| Given Name | Luther |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Stamps |
| Industry | W.P.A |
| Class of Worker | GW |
| Hours Worked | 28 |
| Income (1939) | 811 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Stamps |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1880 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Luther | Age | Birth yr |
|---|---|---|---|---|
| Jeanette Smith | Daughter | — | 14 | ~1926 |
| Guy Smith | Son | — | 21 | ~1919 |
| Barbara Smith | Daughter | — | 16 | ~1924 |
| Paula Smith | Daughter | — | 12 | ~1928 |
| Nancy Smith | Daughter | — | 9 | ~1931 |
| Thomas Smith | Son | — | 7 | ~1933 |
| Ida Smith | Spouse | — | 42 | ~1898 |
| Howard Smith | Son | — | 17 | ~1923 |
| Luther Smith | Head | — | 60 | ~1880 |
| Ida Smith | Daughter | — | 10 | ~1930 |
| Lafayette Smith | Son | — | 19 | ~1921 |
Census Appearances
1930
Polk, Iowa
Head, age 51
Polk, Iowa · implied b. ~1879 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Luther H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 23 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Foreman |
| Industry | Buildings |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12.00 |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Polk-County, Iowa
Head, age 60
Polk-County, Iowa · implied b. ~1880 — 11 household members
| Surname | Smith |
| Given Name | Luther |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Stamps |
| Industry | W.P.A |
| Class of Worker | GW |
| Hours Worked | 28 |
| Income (1939) | 811 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Luther Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Luther Smith
Head · 1940 · age 60 · b. ~1880 · Iowa
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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
38 people indexed on this census page (nara:1940:m-t0627-01194-00778)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George H. Nicholls | 41 | Head | Janitor | Missouri |
| 42 | Elsie Nicholls | 39 | Wife | — | Missouri |
| 43 | George Jr. Nicholls | 9 | Son | — | Iowa |
| 44 | Albert Hall | 30 | Head | Recreational | Iowa |
| 45 | Azwayah Hall | 24 | Wife | — | Oklahoma |
| 46 | Rosabelle Hall | 10 | Daughter | — | Iowa |
| 47 | Roy White | 57 | Head | Laborer | Missouri |
| 48 | Leroy White | 21 | Son | Washman | Iowa |
| 49 | Edgar Williams | 62 | Head | Cook Binder | Iowa |
| 50 | Minnie Williams | 57 | Wife | — | Kansas |
| 51 | R. O. Willard | 65 | Head | Laborer | Kentucky |
| 52 | Mae Willard | 43 | Wife | — | Iowa |
| 53 | Juanita Willard | 10 | Daughter | — | Iowa |
| 54 | Luther Smith THIS PERSON | 60 | Head | Stamps | New York |
| 55 | Ida Smith | 42 | Wife | — | Iowa |
| 56 | Guy W. Smith | 21 | Son | Porter | Iowa |
| 57 | Lafayette Smith | 19 | Son | — | Iowa |
| 58 | Howard Smith | 17 | Son | — | Iowa |
| 59 | Barbara Smith | 16 | Daughter | — | Iowa |
| 60 | Jeanette Smith | 14 | Daughter | — | Iowa |
| 61 | Paula Smith | 12 | Daughter | — | Iowa |
| 62 | Ida M. Smith | 10 | Daughter | — | Iowa |
| 63 | Nancy Smith | 9 | Daughter | — | Iowa |
| 64 | Thomas Smith | 7 | Son | — | Iowa |
| 65 | Eva Trafler | 63 | Head | On Direct Relief | Iowa |
| 66 | George Trafler | 17 | Son | — | Illinois |
| 67 | Gladys Bettel | 49 | Head | Street Dept | Iowa |
| 68 | Gladys Bettel | 46 | Wife | — | Iowa |
| 69 | Wilma Bettel | 14 | Daughter | — | Iowa |
| 71 | Alice Evans | 65 | Head | — | Iowa |
| 72 | Clara Evans | 60 | Sister | — | Iowa |
| 73 | Mary Davis | 69 | Head | — | Indiana |
| 74 | John Davis | 45 | Nephew | Homework | Iowa |
| 75 | George Hutchinson | 56 | Head | Laborer | England |
| 76 | Maybelle Hutchinson | 57 | Wife | — | Iowa |
| 77 | Robert Hopkins | 26 | Head | — | Kentucky |
| 78 | L. S. Wilkinson | 63 | Head | Janitor | Illinois |
| 79 | Ida Mae Wilkinson | 34 | Wife | — | Arkansas |
Related Census Records
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)