MS
Mary Sanders — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Idaho
Our Model Tree links this Mary Sanders across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Idaho (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 3-person household.
Age 53
b. ~1887
Female
Spouse
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Idaho |
| Surname | Sanders |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Roberts Village |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Roberts Village |
| Est. Birth Year | ~1887 |
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 |
|---|---|---|---|---|
| Nellie Sanders | Daughter | — | 13 | ~1927 |
| Clyde Sanders | Head | — | 60 | ~1880 |
| Mary Sanders | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Jefferson, Idaho
Spouse, age 33
Jefferson, Idaho · implied b. ~1887 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sanders |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Father's Birthplace | Bohemia |
| Mother's Birthplace | Bohemia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Jefferson, Idaho
Spouse, age 43
Jefferson, Idaho · implied b. ~1887 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sanders |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 21 |
| Father's Birthplace | Czechoslovakia |
| Mother's Birthplace | Canada English |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Jefferson-County, Idaho
Spouse, age 53
Jefferson-County, Idaho · implied b. ~1887 — 3 household members
| Surname | Sanders |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Roberts Village |
| 1935 Residence (County) | Jefferson |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Sanders across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Sanders
Spouse · 1940 · age 53 · b. ~1887 · Idaho
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jefferson-County, Idaho
Open full size
1940 US Federal Census — Jefferson-County, Idaho
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-00747-00802)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Karon | 23 | daughter | — | Idaho |
| 42 | Jay Albert Christensen | 22 | head | Road Laborer | Idaho |
| 43 | Lela Deora Christensen | 20 | wife | — | Idaho |
| 44 | Arvin Jay Christensen | 1 | son | — | Idaho |
| 45 | Laura Jardine | 62 | head | — | Utah |
| 46 | Fred Jardine | 19 | son | Miner | Idaho |
| 47 | Alice Jardine | 17 | daughter | — | Idaho |
| 48 | J. L. Jardine | 16 | son | — | Idaho |
| 49 | Clyde Sanders | 60 | head | Ditch Rider | Iowa |
| 50 | Mary Sanders THIS PERSON | 53 | wife | — | Nebraska |
| 51 | Nellie Marie Sanders | 13 | daughter | — | Idaho |
| 52 | George Harold Jackson | 38 | head | Auto Mechanic | Utah |
| 53 | Blanche A. Jackson | 37 | wife | — | Utah |
| 54 | Dean Jackson | 13 | son | Truck Driver | Idaho |
| 55 | Kay Jackson | 11 | son | — | Idaho |
| 56 | Dale Jackson | 9 | son | — | Idaho |
| 57 | Ralph Jackson | 3 | son | — | California |
| 58 | H. W. Johnson | 65 | head | Barber | Canada-Eng |
| 59 | Cecelia Johnson | 62 | wife | — | Utah |
| 60 | Walleen Johnson | 32 | daughter | Housework | Idaho |
| 61 | Kenneth Bidwell | 18 | nephew | — | Idaho |
| 62 | Glendon Bidwell | 16 | nephew | — | Idaho |
| 64 | Gordon Rossback | 55 | head | Specialist | Germany |
| 65 | Anna Rossback | 52 | wife | — | Kansas |
| 66 | Willard Rossback | 19 | son | New Worker | Idaho |
| 67 | Annabelle Rossback | 17 | daughter | — | Idaho |
| 69 | Hugh Johnson | 28 | head | Cattleman | Montana |
| 70 | Ellen Johnson | 27 | wife | — | Montana |
| 71 | Beverly Johnson | 7 | daughter | — | Idaho |
| 72 | Bobby Johnson | 6 | son | — | Idaho |
| 73 | Soniadee Johnson | 2 | daughter | — | Idaho |
| 74 | Moses Johnson | 78 | head | Night Watchman | California |
| 75 | Kitty Johnson | 62 | wife | — | Minnesota |
| 76 | Bobby Johnson | 12 | grandson | — | Montana |
| 78 | Oliver Davis | 32 | head | Superintendent | Kansas |
| 79 | Davis | 32 | wife | — | Kansas |
| 80 | Peter Mccormick | 52 | head | Blacksmith | Illinois |
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)