DC
Dorothy Collins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Dorothy Collins across the 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 9-person household.
Age 24
b. ~1916
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Collins |
| Given Name | Dorothy M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | soda clerk |
| Industry | Drug store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 486 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Soda Clerk |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1916 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Gene Collins | Son | — | 11 | ~1929 |
| Raymond Collins | Son | — | 18 | ~1922 |
| James Collins | Head | — | 48 | ~1892 |
| Mae Collins | Spouse | — | 41 | ~1899 |
| James Collins | Son | — | 21 | ~1919 |
| Richard Collins | Son | — | 13 | ~1927 |
| Kathryn Collins | Daughter | — | 9 | ~1931 |
| Janice Collins | Daughter | — | 16 | ~1924 |
| Dorothy Collins | Daughter | — | 24 | ~1916 |
Census Appearances
1930
Polk, Iowa
Daughter, age 12
Polk, Iowa · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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
Daughter, age 24
Polk-County, Iowa · implied b. ~1916 — 9 household members
| Surname | Collins |
| Given Name | Dorothy M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | soda clerk |
| Industry | Drug store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 486 |
| 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 Dorothy Collins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Collins
Daughter · 1940 · age 24 · b. ~1916 · Iowa
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Sibling
Richard Collins
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Collins
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gene Collins
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Collins
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janice Collins
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Collins
Sibling · 1940 · age 21
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 — 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-t0627-01196-00376)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lena A. Brones | 53 | Daughter | — | Iowa |
| 42 | Alta Mrs Emmons | 46 | Daughter | — | Iowa |
| 43 | Kathryn Brones | 43 | Daughter | Stenographer | Iowa |
| 44 | Clarence Schoch | 38 | Head | Salesman | Iowa |
| 45 | Mabel M. Schoch | 32 | Wife | — | Iowa |
| 46 | Dorothy J. Schoch | 11 | Daughter | — | Iowa |
| 47 | Phyllis R. Schoch | 8 | Daughter | — | Iowa |
| 48 | John F. Schoch | 6 | Son | — | Iowa |
| 49 | Jennie Brustman | 45 | Head | Filing Clerk | Iowa |
| 50 | Eleanor Brustman | 14 | Daughter | — | Iowa |
| 51 | Edna D. Hawkins | 41 | Head | Supply Teacher | Iowa |
| 52 | Gerald Hawkins | 19 | Son | — | Iowa |
| 53 | Eugene Hawkins | 12 | Son | — | Iowa |
| 54 | Margaret A. Brown | 79 | Head | — | Ohio |
| 55 | Jennie A. Brown | 59 | Daughter | Manager Claim Dept | Iowa |
| 56 | Ted E. Hartung | 35 | Head | Lawyer | Iowa |
| 57 | Ruth C. Hartung | 35 | Wife | Private Secretary | Iowa |
| 58 | Emma Casper | 69 | Mother | — | Iowa |
| 59 | Frederick S. Eaton | 62 | Head | Car Inspector | Iowa |
| 60 | Dora C. Eaton | 43 | Wife | — | Iowa |
| 61 | James E. Sr. Collins | 48 | Head | Auto Mechanic | Iowa |
| 62 | Mae L. Collins | 41 | Wife | — | Iowa |
| 63 | Dorothy M. Collins THIS PERSON | 24 | Daughter | Soda Clerk | Iowa |
| 64 | James E. Jr. Collins | 21 | Son | Attendant | Iowa |
| 65 | Raymond C. Collins | 18 | Son | — | Iowa |
| 66 | Janice M. Collins | 16 | Daughter | — | Iowa |
| 67 | Richard J. Collins | 13 | Son | — | Iowa |
| 68 | Gene F. Collins | 11 | Son | — | Illinois |
| 69 | Kathryn L. Collins | 9 | Daughter | — | Illinois |
| 70 | Fannie G. Cortelyou | 74 | Head | — | Iowa |
| 71 | Clark B. Ellis | 69 | Head | Statistician | Iowa |
| 72 | Margaret T. Ellis | 69 | Wife | — | Iowa |
| 73 | Harry B. Pointer | 46 | Head | Truck Driver | Iowa |
| 74 | Anna V. Pointer | 47 | Wife | — | Iowa |
| 75 | Rawson W. Pointer | 25 | Son | Cook | Iowa |
| 76 | Doris L. Pointer | 21 | Daughter | Utility Clerk | Iowa |
| 77 | Mary Ann Pointer | 15 | Daughter | — | Iowa |
| 78 | Harry Rodine | 26 | Head | Carpenter | Iowa |
| 79 | Gladys M. Rodine | 29 | Wife | — | Missouri |
| 80 | Lois L. M. Rodine | 0 | Daughter | — | 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)