MC
Mildred Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Mildred Clark across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Charles & Chas — first a spouse (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Clark |
| Given Name | Mildred |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Housewife |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Housewife |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1915 |
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 Mildred | Age | Birth yr |
|---|---|---|---|---|
| Charlene Clark | Daughter | — | ~1940 | |
| Charles Clark | Head | — | 30 | ~1910 |
| Larry Clark | Son | — | 3 | ~1937 |
| Dale Clark | Son | — | 4 | ~1936 |
| Mildred Clark | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Polk, Iowa
Daughter, age 5
Polk, Iowa · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Daughter, age 15
Polk, Iowa · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mildred E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| 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
Polk-County, Iowa
Spouse, age 25
Polk-County, Iowa · implied b. ~1915 — 5 household members
| Surname | Clark |
| Given Name | Mildred |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Housewife |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| 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 Mildred Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Clark (~0.92 confidence) and father Chas Clark (~0.92 confidence) and mother Alveda Clark (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Clark
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Chas Clark
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Alveda Clark
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Clark
Spouse · 1940 · age 25 · b. ~1915 · 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
39 people indexed on this census page (nara:1940:m-t0627-01195-01025)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donna Lee Egimore | 5 | Daughter | — | Iowa |
| 2 | Willard Byron Egimore | 3 | Son | — | Iowa |
| 3 | Shirley Ann Egimore | 2 | Daughter | — | Iowa |
| 4 | James W. Gardner | 62 | Father-in-law | Printer | Wisconsin |
| 5 | Beaman Cooks | 54 | Head | House Mover | Iowa |
| 6 | Ethel Cooks | 51 | Wife | Housewife | Illinois |
| 7 | Robert Cooks | 27 | Son | Truck Driver | Iowa |
| 8 | Patricia Reese | 11 | Granddaughter | — | Iowa |
| 9 | Merlin Burke | 44 | Head | Laborer | Iowa |
| 10 | Margaret Fish | 59 | Housekeeper | Housekeeper | Iowa |
| 11 | Pearl Smith | 60 | Head | Housewife | Illinois |
| 12 | Oscar Riley | 64 | Roomer | Laborer | Illinois |
| 13 | James P. Williamson | 64 | Roomer | Pensioner | Iowa |
| 14 | Gold Sonneborn | 43 | Head | Interviewer | Iowa |
| 15 | Agnes Sonneborn | 43 | Wife | Housewife | Nebraska |
| 16 | Mary Sonneborn | 17 | Daughter | Student | Nebraska |
| 17 | Marjorie Sonneborn | 17 | Daughter | Student | Nebraska |
| 18 | Jerrie Sonneborn | 16 | Daughter | Student | Nebraska |
| 19 | Peter Nelson | 67 | Head | Brickmason | Sweden |
| 20 | Bessie S. Nelson | 57 | Wife | Housewife | Illinois |
| 21 | Webster Daley | 48 | Head | Conductor & Brakeman | Iowa |
| 22 | Elizabeth Daley | 33 | Wife | Housewife | Iowa |
| 23 | Madeline Daley | 15 | Daughter | Student | Iowa |
| 24 | Charles Clark | 30 | Head | Electrician | Iowa |
| 25 | Mildred Clark THIS PERSON | 25 | Wife | Housewife | Iowa |
| 26 | Dale Clark | 4 | Son | — | Iowa |
| 27 | Larry Clark | 3 | Son | — | Iowa |
| 28 | Charlene Clark | 0 | Daughter | — | Iowa |
| 29 | Messel Pornie | 37 | Head | Sergeant | Holland |
| 30 | Susan Elizabeth Pornie | 25 | Wife | Housewife | Illinois |
| 31 | James Wesley Pornie | 6 | Son | — | Iowa |
| 32 | Howard M. Mccarthy | 57 | Head | Barber | Iowa |
| 33 | Laura M. Mccarthy | 50 | Wife | Rate Operator | Iowa |
| 34 | George A. Purdy | 51 | Head | Mechanic | Iowa |
| 35 | Faye A. Purdy | 41 | Wife | Housewife | Iowa |
| 36 | Nadine M. Purdy | 17 | Daughter | Student | Iowa |
| 37 | Bertha A. Bussell | 47 | Sister-in-law | Toll Operator | Iowa |
| 38 | Sam Leo | 26 | Head | Shoe Repairer | Iowa |
| 39 | Josephine Leo | 25 | Wife | Separator Egg | Iowa |
Pedigree Summary
Mildred
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)