MW
Mary Whitney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cerro-Gordo-County, Iowa
Our Model Tree links this Mary Whitney across the 1920, 1930 and 1940 US Censuses in Cerro-Gordo-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 3-person household.
Age 50
b. ~1890
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cerro-Gordo-County, Iowa |
| Surname | Whitney |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Mason City |
| Est. Birth Year | ~1890 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| George Whitney | Head | — | 50 | ~1890 |
| Robert Whitney | Son | — | 19 | ~1921 |
| Mary Whitney | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Cerro Gordo, …
Spouse, age 33
Cerro Gordo, Iowa · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Whitney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cerro Gordo, …
Spouse, age 42
Cerro Gordo, Iowa · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Whitney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 24 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cerro-Gordo-County, Iowa
Spouse, age 50
Cerro-Gordo-County, Iowa · implied b. ~1890 — 3 household members
| Surname | Whitney |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Whitney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Whitney
Spouse · 1940 · age 50 · b. ~1890 · 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 — Cerro-Gordo-County, Iowa
Open full size
1940 US Federal Census — Cerro-Gordo-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01146-00563)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Arthur Cooling | 37 | Head | Truck Driver | Iowa |
| 42 | Hazel Cooling | 37 | Wife | — | Iowa |
| 43 | Jack Homer | 12 | Step son | — | Iowa |
| 44 | Jimmy Homer | 6 | Step son | — | Iowa |
| 45 | George W. Whitney | 50 | Head | Janitor | Iowa |
| 46 | Mary A. Whitney THIS PERSON | 50 | Wife | — | Ohio |
| 47 | Robert Whitney | 19 | Son | Truck Driver | Iowa |
| 48 | Alfred E. Burmeister | 49 | Head | Owner | Iowa |
| 49 | Amelia M. Burmeister | 49 | Wife | — | Minnesota |
| 50 | Lester D. Prindle | 57 | Head | Section Foreman | New York |
| 51 | May A. Prindle | 55 | Wife | — | Iowa |
| 52 | Irma Prindle | 36 | Daughter | Stockroom Girl | Iowa |
| 53 | Harold Prindle | 26 | Son | Repairman | Iowa |
| 54 | Donald Prindle | 17 | Son | — | Iowa |
| 55 | Howard Jaeger | 36 | Head | Sales Promotion | Minnesota |
| 56 | Clara Q. Jaeger | 35 | Wife | — | Iowa |
| 57 | Sharon Lee Jaeger | 2 | Daughter | — | Iowa |
| 58 | William Buchholz | 66 | Father-in-law | — | Iowa |
| 59 | Edward H. Potter | 76 | Head | — | Wisconsin |
| 60 | Anna N. Potter | 68 | Wife | — | Illinois |
| 61 | Donald A. Potter | 26 | Son | Attendant | Iowa |
| 62 | Willa J. Potter | 24 | Daughter | Clerk | Iowa |
| 63 | Lycurgus Kohl | 36 | Head | Inspector | Illinois |
| 64 | Zora Kohl | 29 | Wife | — | Iowa |
| 65 | Denis Kohl | 1 | Son | — | Iowa |
| 66 | D. Earl Mccord | 26 | Head | Bookkeeper + Clerk | Kansas |
| 67 | May Mccord | 27 | Wife | — | Missouri |
| 68 | Ruth Mccord | 3 | Daughter | — | Iowa |
| 69 | D. Earl Mccord | 1 | Son | — | Iowa |
| 70 | David Mccord | 0 | Son | — | Iowa |
| 71 | Antonio Arroyo | 50 | Head | Janitor | Mexico |
| 72 | Carmen Arroyo | 42 | Wife | — | Mexico |
| 73 | Fredrick Arroyo | 19 | Son | — | Iowa |
| 74 | Armanda Arroyo | 19 | Son | — | Texas |
| 75 | Mercedes Arroyo | 10 | Daughter | — | Iowa |
| 76 | Herminio Gonzales | 48 | Lodger | Laborer | Mexico |
| 77 | Donald Bellows | 56 | Head | Salesman | Iowa |
| 78 | Bessie Bellows | 55 | Wife | — | Iowa |
| 79 | Leland Bellows | 34 | Son | — | Iowa |
| 80 | Hotel James Florence | 30 | Roomer | Houseman | Kentucky |
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)