MD
Mary Dawson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wapello-County, Iowa
Our Model Tree links this Mary Dawson across the 1930 and 1940 US Censuses in Wapello-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 8-person household.
Age 38
b. ~1902
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wapello-County, Iowa |
| Surname | Dawson |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Ottumwa City |
| 1935 Residence (County) | Wapello County |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Ottumwa City |
| Est. Birth Year | ~1902 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rita Dawson | Daughter | — | 11 | ~1929 |
| Mona Dawson | Daughter | — | 9 | ~1931 |
| Mary Dawson | Daughter | — | 14 | ~1926 |
| Catherine Dawson | Daughter | — | 17 | ~1923 |
| Frank Dawson | Head | — | 40 | ~1900 |
| Lawrence Dawson | Son | — | 4 | ~1936 |
| John Dawson | Son | — | 7 | ~1933 |
| Mary Dawson | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Wapello, Iowa
Other, age 28
Wapello, Iowa · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dawson |
| Given Name | Mary E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 18 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Wapello-County, Iowa
Spouse, age 38
Wapello-County, Iowa · implied b. ~1902 — 8 household members
| Surname | Dawson |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Ottumwa City |
| 1935 Residence (County) | Wapello County |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Mary Dawson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dawson
Spouse · 1940 · age 38 · b. ~1902 · 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 — Wapello-County, Iowa
Open full size
1940 US Federal Census — Wapello-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01209-00403)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bertha Peck | 20 | Lodger | — | Iowa |
| 2 | Connie Peck | 2 | Lodger | — | Iowa |
| 3 | Susie Morgan | 67 | Head | Laborer | Iowa |
| 4 | Clyde Fitzsimmons | 29 | Head | Laborer | Iowa |
| 5 | Dorothy Fitzsimmons | 27 | Wife | — | Iowa |
| 6 | Peggy Fitzsimmons | 8 | Daughter | — | Iowa |
| 7 | Body Fitzsimmons | 7 | Son | — | Iowa |
| 8 | Lyman Laycock | 24 | Head | Truck Driver | Iowa |
| 9 | Irene Laycock | 21 | Wife | Waitress | Iowa |
| 10 | Helen Richman | 51 | Head | — | Iowa |
| 11 | Kate Redman | 73 | Head | — | Russia |
| 12 | Lalite Redman | 37 | Daughter | Clerk | Iowa |
| 13 | Blanche Redman | 35 | Daughter | Clerk | Iowa |
| 14 | Abe Buckman | 52 | Son-in-law | — | Illinois |
| 15 | Sarah G. Buckman | 52 | Daughter | — | Russia |
| 16 | Elwood Buckman | 20 | Grandson | — | Iowa |
| 17 | Melbert Buckman | 20 | Grandson | — | Iowa |
| 18 | Margaret Hill | 52 | Head | Housework | Maryland |
| 19 | Hazel Hill | 27 | Daughter | Accountant | Maryland |
| 20 | Norman Hill | 23 | Son | Photographer | Iowa |
| 21 | Frank C. Dawson | 40 | Head | Foreman | Iowa |
| 22 | Mary E. Dawson THIS PERSON | 38 | Wife | — | Illinois |
| 23 | Catherine Dawson | 17 | Daughter | — | Iowa |
| 24 | Mary L. Dawson | 14 | Daughter | — | Iowa |
| 25 | Rita A. Dawson | 11 | Daughter | — | Iowa |
| 26 | Mona M. Dawson | 9 | Daughter | — | Iowa |
| 27 | John C. Dawson | 7 | Son | — | Iowa |
| 28 | Lawrence Dawson | 4 | Son | — | Iowa |
| 29 | Lester A. Curry | 38 | Head | Policeman | Iowa |
| 30 | Margaret Curry | 33 | Wife | — | Iowa |
| 31 | John L. Curry | 10 | Son | — | Iowa |
| 32 | Andrew J. Curry | 4 | Son | — | Iowa |
| 33 | Ronald Ashmead | 10 | Nephew | — | Kansas |
| 34 | — | None | — | — | — |
| 35 | — | None | — | — | — |
| 36 | Homer E. Reed | 34 | Head | Truck Driver | Iowa |
| 37 | Agnes G. Reed | 23 | Wife | — | Iowa |
| 38 | Patrick F. Curran | 50 | Head | Employer | Iowa |
| 39 | Nellie Curran | 40 | Wife | Bookkeeper | Iowa |
| 40 | Helen L. Stully | 24 | Niece | — | 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)