MJ
Mary John — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Appanoose-County, Iowa
Our Model Tree links this Mary John across the 1920, 1930 and 1940 US Censuses in Appanoose-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 4-person household.
Age 65
b. ~1875
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Appanoose-County, Iowa |
| Surname | John |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Bellair Township |
| 1935 Residence (County) | Appanoose |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Bellair Township |
| Est. Birth Year | ~1875 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Wm John | Son | — | 35 | ~1905 |
| Lloyd John | Son | — | 40 | ~1900 |
| Mary John | Spouse | — | 65 | ~1875 |
| Wm John | Head | — | 64 | ~1876 |
Census Appearances
1920
Appanoose, Iowa
Spouse, age 44
Appanoose, Iowa · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | John |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Appanoose, Iowa
Spouse, age 55
Appanoose, Iowa · implied b. ~1875 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | John |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Appanoose-County, Iowa
Spouse, age 65
Appanoose-County, Iowa · implied b. ~1875 — 4 household members
| Surname | John |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Bellair Township |
| 1935 Residence (County) | Appanoose |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 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 Mary John across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary John
Spouse · 1940 · age 65 · b. ~1875 · 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 — Appanoose-County, Iowa
Open full size
1940 US Federal Census — Appanoose-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01137-00084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ralph Rasch | 40 | Head | Trucker | Missouri |
| 2 | Beulah Rasch | 37 | Wife | — | Iowa |
| 3 | Ray Rasch | 12 | Son | — | Iowa |
| 4 | Daryl Livingood | 27 | Head | Farmer | Iowa |
| 5 | Vie Livingood | 62 | Wife | — | Iowa |
| 6 | Opal Livingood | 30 | Daughter | Bookkeeper | Iowa |
| 7 | Ed. Mccarty | 55 | Head | Miner | Iowa |
| 8 | James Mccarty | 57 | Brother | Farmer | Iowa |
| 9 | Wm. H. John | 64 | Head | Farmer | Iowa |
| 10 | Mary E. John THIS PERSON | 65 | Wife | — | Iowa |
| 11 | Lloyd D. John | 40 | Son | Farmer | Iowa |
| 12 | Wm. R. John | 35 | Son | Farmer | Iowa |
| 13 | George M. Smith | 77 | Head | — | Indiana |
| 14 | Viola F. Smith | 69 | Wife | — | Iowa |
| 15 | Harold E. Smith | 42 | Son | Farmer | Iowa |
| 16 | Edna Smith | 32 | Daughter | — | Iowa |
| 17 | John Bathurst | 54 | Head | Farmer | Iowa |
| 18 | Leta Bathurst | 50 | Wife | — | Iowa |
| 19 | Eva Bathurst | 20 | Daughter | — | Iowa |
| 20 | Betty Bathurst | 9 | Daughter | — | Iowa |
| 21 | Hugh T. Price | 45 | Head | Farmer | Iowa |
| 22 | Alta N. Price | 43 | Wife | — | Iowa |
| 23 | Florence Price | 16 | Daughter | — | Iowa |
| 24 | Joe Price | 13 | Son | — | Iowa |
| 25 | Mary Jean Price | 7 | Daughter | — | Iowa |
| 26 | Lucy Price | 6 | Daughter | — | Iowa |
| 27 | Lester Price | 3 | Son | — | Iowa |
| 28 | Wm. Stufflebeam | 71 | Head | Farmer | Iowa |
| 29 | Annie Stufflebeam | 60 | Wife | — | Missouri |
| 30 | Curtis Sleeper | 45 | Head | Farmer | Iowa |
| 31 | Ethel Sleeper | 43 | Wife | — | Iowa |
| 32 | Max Sleeper | 19 | Son | Laborer | Iowa |
| 33 | Joe Ranletty | 57 | Head | Miner | Italy |
| 34 | Angeline Ranletty | 54 | Wife | — | Italy |
| 35 | Bruno Ranletty | 22 | Son | Miner | Iowa |
| 36 | Angeline Ab. Ranletty | 21 | Daughter | — | Iowa |
| 37 | Eva Ranletty | 19 | Daughter | — | Iowa |
| 38 | Dominic Ranletty | 17 | Son | Laborer | Iowa |
| 39 | Connie Ranletty | 15 | Daughter | — | Iowa |
| 40 | Veda Ranletty | 13 | 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)