MB
Mary Brewer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lyon-County, Kansas
Our Model Tree links this Mary Brewer across the 1930 and 1940 US Censuses in Lyon-County, Kansas (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Female
Daughter
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lyon-County, Kansas |
| Surname | Brewer |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Emporia Twp |
| 1935 Residence (County) | Lyon |
| Additional Details | |
| Highest Grade | S 5 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Emporia Twp |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Ruth Brewer | Daughter | — | 4 | ~1936 |
| Ruth Brewer | Spouse | — | 43 | ~1897 |
| Mary Brewer | Daughter | — | 21 | ~1919 |
| Mary Brewer | Daughter | — | 17 | ~1923 |
| Clifford Brewer | Head | — | 44 | ~1896 |
| Kenneth Brewer | Son | — | 15 | ~1925 |
| June Brewer | Daughter | — | 7 | ~1933 |
| Keith Brewer | Son | — | 21 | ~1919 |
Census Appearances
1930
Lyon, Kansas
Daughter, age 2
Lyon, Kansas · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brewer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Lyon-County, Kansas
Daughter, age 17
Lyon-County, Kansas · implied b. ~1923 — 8 household members
| Surname | Brewer |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Emporia Twp |
| 1935 Residence (County) | Lyon |
| Highest Grade | S 5 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Brewer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Brewer
Daughter · 1940 · age 17 · b. ~1923 · Kansas
★ You are viewing this record
Sibling
June Brewer
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Keith Brewer
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Brewer
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Brewer
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Brewer
Sibling · 1940 · age 4
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 — Lyon-County, Kansas
Open full size
1940 US Federal Census — Lyon-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01242-00571)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Greenlee | 41 | wife | — | Iowa |
| 42 | Kenneth Greenlee | 18 | son | Boxing | Kansas |
| 43 | Roy Greenlee | 13 | son | — | Iowa |
| 44 | Vernon Greenlee | 11 | son | — | Minnesota |
| 45 | Robert Greenlee | 9 | son | — | Minnesota |
| 46 | Louise May Greenlee | 3 | daughter | — | Kansas |
| 47 | Jesse Jones | 38 | head | Clerk | Kansas |
| 48 | Margaret Jones | 32 | wife | — | Nebraska |
| 49 | Jesse Jones | 16 | son | Labourer | Kansas |
| 50 | Nadine Jones | 5 | daughter | — | Kansas |
| 51 | Francis Tallant | 73 | father in law | — | Ohio |
| 52 | Milton B. Clements | 27 | head | Mechanic | Kansas |
| 53 | Elizabeth Clements | 23 | wife | — | Oklahoma |
| 54 | John Clements | 6 | son | — | Kansas |
| 55 | Margaret Clements | 2 | daughter | — | Kansas |
| 56 | James A. Adams | 48 | head | Operator | Missouri |
| 57 | Sarah E. Adams | 51 | wife | Helper | Illinois |
| 58 | Marshal A. Roberts | 40 | head | Laborer | Kansas |
| 59 | Pearl E. Roberts | 37 | wife | — | Kansas |
| 60 | Clifford D. Brewer | 44 | head | Operator | Kansas |
| 61 | Ruth M. Brewer | 43 | wife | — | Kansas |
| 62 | Keith Brewer | 21 | son | Operator | Kansas |
| 63 | Mary Brewer | 21 | daughter | — | Oklahoma |
| 64 | Kenneth Brewer | 15 | son | — | Kansas |
| 65 | Mary Brewer THIS PERSON | 17 | daughter | — | Kansas |
| 66 | June Brewer | 7 | daughter | — | Kansas |
| 67 | Ruth Brewer | 4 | daughter | — | Kansas |
| 68 | Alvin Worchester | 35 | head | Truck Driver | Kansas |
| 69 | Dorothy Worchester | 32 | wife | — | Kansas |
| 70 | Lucille Worchester | 14 | daughter | — | Kansas |
| 71 | Lois Worchester | 12 | daughter | — | Kansas |
| 72 | Prentice Doyle | 81 | head | Farmer | Kansas |
| 73 | May Doyle | 70 | wife | — | Ohio |
| 74 | Rosetta Good | 78 | sister-in-law | — | Ohio |
| 75 | Henry Good | 55 | head | Farmer | Ohio |
| 76 | Anna Good | 48 | wife | — | Kansas |
| 77 | Lewis Tils | 63 | head | Farmer | Kansas |
| 78 | Mary Tils | 52 | wife | Candy Maker | Kansas |
| 79 | Victor H. Anwarter | 56 | head | Operator | Missouri |
| 80 | Grace C. Anwarter | 58 | wife | — | New Mexico |
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)