MN
Mary Nichols — 1940 US Census Record
Model Tree available1940 United States Federal Census · Nemaha-County, Nebraska
Our Model Tree links this Mary Nichols across the 1920, 1930 and 1940 US Censuses in Nemaha-County, Nebraska (XGBoost, ~Confirmed), with identified parents Robert & Maude — first a daughter (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Female
Daughter
Born: Nebraska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nemaha-County, Nebraska |
| Surname | Nichols |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Lafayette Precinct |
| 1935 Residence (County) | Nemaha |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Lafayette Precinct |
| Est. Birth Year | ~1907 |
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 |
|---|---|---|---|---|
| Mary Nichols | Daughter | — | 33 | ~1907 |
| R Nichols | Head | — | 70 | ~1870 |
| Lloyd Nichols | Son | — | 36 | ~1904 |
| Maude Nichols | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Nemaha, Nebraska
Daughter, age 12
Nemaha, Nebraska · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Mary L R |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Nemaha, Nebraska
Daughter, age 23
Nemaha, Nebraska · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Mary C |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Nemaha-County, Nebraska
Daughter, age 33
Nemaha-County, Nebraska · implied b. ~1907 — 4 household members
| Surname | Nichols |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Lafayette Precinct |
| 1935 Residence (County) | Nemaha |
| Highest Grade | Hs 1 |
| 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 Nichols across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Nichols (~0.92 confidence) and mother Maude Nichols (~0.92 confidence) and mother Maude Nichols (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Nichols
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Maude Nichols
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Maude Nichols
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Nichols
Daughter · 1940 · age 33 · b. ~1907 · Nebraska
★ You are viewing this record
Sibling
Lloyd Nichols
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Nemaha-County, Nebraska
Open full size
1940 US Federal Census — Nemaha-County, Nebraska
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02258-00781)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Houch | 8 | Son | — | Nebraska |
| 42 | Elizabeth Dickerson | 65 | Head | Proprietor | Virginia |
| 43 | Mervin Evans | 26 | Head | Farmer | Nebraska |
| 44 | Lora Evans | 26 | Wife | — | Nebraska |
| 45 | Laverne Shafer | 21 | Lodger | Teacher | Nebraska |
| 46 | Ethel Sieber | 27 | Lodger | Teacher | Nebraska |
| 47 | August Schaefer | 63 | Head | Farmer | Nebraska |
| 48 | Sara Schaefer | 61 | Wife | — | Nebraska |
| 49 | William Beason | 50 | Head | Farmer | Missouri |
| 50 | Joe Beason | 49 | Wife | — | Nebraska |
| 51 | Opal Beason | 25 | Daughter | Teacher | Nebraska |
| 52 | Arnold Beason | 18 | Son | Farm Laborer | Nebraska |
| 53 | Elaine Beason | 14 | Daughter | — | Nebraska |
| 54 | Gerald Beason | 11 | Son | — | Nebraska |
| 55 | Martin Neddenriep | 53 | Head | Farmer | Nebraska |
| 56 | Anna Neddenriep | 46 | Wife | — | Nebraska |
| 57 | Glenn Neddenriep | 23 | Son | Farmer | Nebraska |
| 58 | Dale Neddenriep | 17 | Son | — | Nebraska |
| 59 | Vernon Neddenriep | 15 | Son | — | Nebraska |
| 60 | Helen Neddenriep | 10 | Daughter | — | Nebraska |
| 61 | Carroll Rutledge | 34 | Head | Farmer | Nebraska |
| 62 | Cora Rutledge | 34 | Wife | — | Nebraska |
| 63 | Norma Jean Rutledge | 9 | Daughter | — | Nebraska |
| 64 | John Carroll Rutledge | 4 | Son | — | Nebraska |
| 65 | Adell Rozman | 65 | Head | — | Nebraska |
| 66 | Curtis Green | 68 | Lodger | — | Ohio |
| 67 | Jane Green | 64 | Wife | — | Nebraska |
| 68 | John Meyer | 37 | Head | Farmer | Nebraska |
| 69 | Ella Meyer | 26 | Wife | — | Nebraska |
| 70 | John Meyer | 6 | Son | — | Nebraska |
| 71 | Lloyd Duey | 65 | Head | — | Missouri |
| 72 | Ollie Duey | 59 | Wife | — | Nebraska |
| 73 | D. J. Duey | 22 | Son | — | Nebraska |
| 74 | Lucille Duey | 19 | Daughter | Stenographer | Nebraska |
| 75 | Joe Beason | 50 | Head | Farmer | Missouri |
| 76 | Lydia Beason | 48 | Sister | — | Missouri |
| 77 | R. H. Nichols | 70 | Head | Farmer | Indiana |
| 78 | Maude Nichols | 67 | Wife | — | Illinois |
| 79 | Lloyd Nichols | 36 | Son | Farmer | Nebraska |
| 80 | Mary Nichols THIS PERSON | 33 | Daughter | — | Nebraska |
Related Census Records
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)