MK
Marie Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pottawattamie-County, Iowa
Our Model Tree links this Marie Kelly across the 1930 and 1940 US Censuses in Pottawattamie-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pottawattamie-County, Iowa |
| Surname | Kelly |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Council Bluffs City |
| 1935 Residence (County) | Pottawattamie |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Council Bluffs City |
| Est. Birth Year | ~1909 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Joseph Kelly | Son | — | 12 | ~1928 |
| Martha Ryan | Other | — | 57 | ~1883 |
| Robert Kelly | Son | — | 10 | ~1930 |
| Joseph Kelly | Head | — | 45 | ~1895 |
| Marie Kelly | Spouse | — | 31 | ~1909 |
| Quinn Kelly | Son | — | 9 | ~1931 |
Census Appearances
1930
Pottawattamie, Iowa
Other, age 21
Pottawattamie, Iowa · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Marie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 17 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Pottawattamie-County, Iowa
Spouse, age 31
Pottawattamie-County, Iowa · implied b. ~1909 — 6 household members
| Surname | Kelly |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Council Bluffs City |
| 1935 Residence (County) | Pottawattamie |
| Industry | 0 |
| Highest Grade | H 2 |
| 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 Marie Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Kelly
Spouse · 1940 · age 31 · b. ~1909 · 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 — Pottawattamie-County, Iowa
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1940 US Federal Census — Pottawattamie-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01198-00988)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gretta Dafner | 13 | Daughter | — | Iowa |
| 42 | Betty Dafner | 11 | Daughter | — | Iowa |
| 43 | Marie Dafner | 9 | Daughter | — | Iowa |
| 44 | Patrick Kennedy | 29 | Head | Janitor-Office | Iowa |
| 45 | Ruben Kennedy | 27 | Wife | Stenographer | Iowa |
| 46 | William Stingle | 9 | Son | — | Iowa |
| 47 | Phyllis Stingle | 5 | Daughter | — | Iowa |
| 48 | Patrick Jr Kennedy | 1 | Son | — | Iowa |
| 49 | Glenda Potter | 18 | Maid | Maid | Iowa |
| 50 | Milton Newby | 48 | Head | Helper | Tennessee |
| 51 | Blanch Newby | 30 | Wife | — | Mississippi |
| 52 | Clarence Byleen | 42 | Head | Yard Coach Cleaner | Iowa |
| 53 | Pearl Byleen | 39 | Wife | — | Iowa |
| 54 | Roy Gardner | 28 | Head | Yard Coach Cleaner | Nebraska |
| 55 | Hilda Gardner | 25 | Wife | — | Nebraska |
| 56 | Lowell Gardner | 4 | Son | — | Iowa |
| 57 | Edward Gilday | 31 | Head | Electrician | Iowa |
| 58 | Pauline Gilday | 28 | Wife | — | Iowa |
| 59 | Wayne Ellsworth | 31 | Head | Stock Clerk | Iowa |
| 60 | Laura Ellsworth | 26 | Wife | — | Nebraska |
| 61 | Jo Ann Ellsworth | 9 | Daughter | — | Iowa |
| 62 | Mac Ellsworth | 8 | Son | — | Iowa |
| 63 | Joseph Kelly | 45 | Head | Typist | Iowa |
| 64 | Marie Kelly THIS PERSON | 31 | Wife | — | Iowa |
| 65 | Joseph J Kelly | 12 | Son | — | Iowa |
| 66 | Robert Edward Kelly | 10 | Son | — | Iowa |
| 67 | Quinn Thomas Kelly | 9 | Son | — | Iowa |
| 68 | Martha Ryan | 57 | Mother in law | — | Germany |
| 69 | Fred D. Fouser | 57 | Head | Locomotive Fireman | Iowa |
| 70 | Elva S. Fouser | 56 | Wife | — | Iowa |
| 71 | Bernice Fouser | 18 | Daughter | — | Iowa |
| 72 | Leith Roberts | 52 | Head | Bridge Carpenter | Missouri |
| 73 | Bernice Roberts | 39 | Wife | — | Missouri |
| 74 | Mary Roberts | 16 | Daughter | — | Missouri |
| 75 | — | None | — | — | — |
| 76 | Clifford Donaldson | 31 | Head | Laborer | Colorado |
| 77 | Marie Donaldson | 17 | Wife | — | Iowa |
| 78 | Anna Donaldson | 56 | Mother | — | Missouri |
| 79 | John Gorman | 54 | Uncle | — | Missouri |
| 80 | Noah Aagard | 50 | Head | Cossetier | Wisconsin |
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)