ND
Nellie Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Nellie Davis across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 3-person household.
Age 53
b. ~1887
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Davis |
| Given Name | Nellie, M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1887 |
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 Nellie | Age | Birth yr |
|---|---|---|---|---|
| Thomas Davis | Head | — | 55 | ~1885 |
| Jack Davis | Son | — | 21 | ~1919 |
| Nellie Davis | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Polk, Iowa
Spouse, age 33
Polk, Iowa · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Spouse, age 43
Polk, Iowa · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 23 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Spouse, age 53
Polk-County, Iowa · implied b. ~1887 — 3 household members
| Surname | Davis |
| Given Name | Nellie, M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Highest Grade | No 8 |
| 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 Nellie Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Nellie Davis
Spouse · 1940 · age 53 · b. ~1887 · 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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01197-00229)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patricia, J Mckee | 11 | Daughter | — | Iowa |
| 42 | Wayne, N Mckee | 3 | Son | — | Iowa |
| 43 | Thomas, E Davis | 55 | Head | Machinist | Iowa |
| 44 | Nellie, M Davis THIS PERSON | 53 | Wife | — | Iowa |
| 45 | Jack T Davis | 21 | Son | — | Iowa |
| 46 | Clarence, H Mattson | 41 | Head | Salesman | Iowa |
| 47 | Gladys, G Mattson | 40 | Wife | — | Iowa |
| 48 | Raymond Mattson | 12 | Son | — | Iowa |
| 49 | Carl, C Lauve | 42 | Head | Dispatcher | Iowa |
| 50 | Nelle, H Lauve | 43 | Wife | — | Iowa |
| 51 | Doris, T Lauve | 18 | Daughter | Topper | Iowa |
| 52 | Sarah, J Lauve | 17 | Daughter | — | Iowa |
| 53 | Martha, A Lauve | 11 | Daughter | — | Iowa |
| 54 | Kay, M Connor | 20 | Lodger | Topper | Iowa |
| 55 | Leroy E Anderson | 43 | Head | Senior Clerk | Vermont |
| 56 | Hannah E Anderson | 46 | Wife | — | Iowa |
| 57 | Joyce B Anderson | 3 | Daughter | — | Iowa |
| 58 | Mike, L Funaro | 50 | Head | Owner | Italy |
| 59 | Katherine, E Funaro | 48 | Wife | Helper | Italy |
| 60 | Charles, D Funaro | 18 | Son | Helper | Iowa |
| 61 | Samuel, F Funaro | 16 | Son | — | Iowa |
| 62 | Mary, B Funaro | 15 | Daughter | — | Iowa |
| 63 | Frank, S Funaro | 13 | Son | — | Iowa |
| 64 | Katherine, J Funaro | 7 | Daughter | — | Iowa |
| 65 | Chris, G Sandelin | 70 | Head | — | Sweden |
| 66 | Charlotte, C Sandelin | 62 | Wife | — | Sweden |
| 67 | Edwin, W Raymond | 37 | Head | Salesman | Iowa |
| 68 | Nellie, M Raymond | 34 | Wife | — | Iowa |
| 69 | Edward Hraha | 39 | Lodger | Co-Owner | Iowa |
| 70 | Henry, O Woodward | 54 | Head | Laborer | Iowa |
| 71 | John E Mclaughlin | 54 | Head | Maintenance Foreman | Iowa |
| 72 | Lamont, I Mclaughlin | 39 | Wife | — | Iowa |
| 73 | John, E Mclaughlin | 17 | Son | — | Iowa |
| 74 | Wendall Mclaughlin | 15 | Son | — | Iowa |
| 75 | Henry, H Mclaughlin | 13 | Son | — | Iowa |
| 76 | Donald, R Mclaughlin | 10 | Son | — | Iowa |
| 77 | Clara Cue | 73 | Mother-in-law | — | Iowa |
| 78 | Orville, P Channell | 43 | Head | Clerk | Iowa |
| 79 | Lillian, R Channell | 39 | Wife | — | Iowa |
| 80 | Orville Jr Channell | 17 | Son | — | Iowa |
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)