MK
Mary Kaufman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Navajo-County, Arizona
Our Model Tree links this Mary Kaufman across the 1920, 1930 and 1940 US Censuses in Navajo-County, Arizona (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 5-person household.
Age 53
b. ~1887
Female
Spouse
Born: Montana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Navajo-County, Arizona |
| Surname | Kaufman |
| Given Name | Mary Lynn |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Winslow City |
| 1935 Residence (County) | Navajo |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | Winslow City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Sarah Kaufman | Daughter | — | 16 | ~1924 |
| Mary Kaufman | Spouse | — | 53 | ~1887 |
| Thomas Kaufman | Son | — | 22 | ~1918 |
| Rudolph Kaufman | Head | — | 59 | ~1881 |
| Catherine Kaufman | Daughter | — | 18 | ~1922 |
Census Appearances
1920
Navajo, Arizona
Spouse, age 33
Navajo, Arizona · implied b. ~1887 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kaufman |
| Given Name | Mary Lou |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Montana |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Navajo, Arizona
Other, age 44
Navajo, Arizona · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kaufman |
| Given Name | M. Lynn |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Montana |
| Age at First Marriage | 24 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Navajo-County, Arizona
Spouse, age 53
Navajo-County, Arizona · implied b. ~1887 — 5 household members
| Surname | Kaufman |
| Given Name | Mary Lynn |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Winslow City |
| 1935 Residence (County) | Navajo |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Kaufman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Kaufman
Spouse · 1940 · age 53 · b. ~1887 · Arizona
★ 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 — Navajo-County, Arizona
Open full size
1940 US Federal Census — Navajo-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00110-00586)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mrs. M. Olsen | 55 | Mother | — | Georgia |
| 42 | Idell O'Connell | 27 | Sister | — | New Mexico |
| 43 | Elizabeth Cook | 25 | Lodger | Maid | Colorado |
| 44 | Eugene Leonard | 70 | Head | — | Missouri |
| 45 | Clara Leonard | 59 | Wife | — | Kansas |
| 46 | Leo J. Leonard | 29 | Son | Truck Driver | Arizona |
| 47 | Victor C. Proctor | 70 | Head | Building Foreman | Missouri |
| 48 | Katharine Proctor | 68 | Wife | — | Michigan |
| 49 | Porter Rhodes | 50 | Head | Mail Carrier | Ohio |
| 50 | Merle Rhodes | 33 | Wife | — | Illinois |
| 51 | Jesse York | 71 | Mother-in-law | — | Illinois |
| 52 | P. J. Shaul | 49 | Head | Railroad Brakeman | Kansas |
| 53 | Madge Shaul | 43 | Wife | — | Illinois |
| 54 | Thomas F. Tiernan | 53 | Head | Locomotive Engineer | Kansas |
| 55 | Grace Tiernan | 55 | Wife | — | Indiana |
| 56 | Thomas R. Tiernan | 27 | Son | Railroad Fireman | Arizona |
| 57 | John H. Tiernan | 24 | Son | Janitor | Arizona |
| 58 | Edward P. Tiernan | 25 | Son | Mechanic | Arizona |
| 59 | William A. Tiernan | 17 | Son | — | Arizona |
| 60 | Benjamin F. Evans | 57 | Head | Passenger Conductor | England |
| 61 | Bessie Evans | 53 | Wife | — | Kansas |
| 62 | Archie L. Thurston | 52 | Head | Yardmaster | Missouri |
| 63 | Naene Ruby Thurston | 40 | Wife | — | Missouri |
| 64 | Rudolph Clinton Kaufman | 59 | Head | Banker-Owner | Illinois |
| 65 | Mary Lynn Kaufman THIS PERSON | 53 | Wife | — | Montana |
| 66 | Thomas Clinton Kaufman | 22 | Son | Bank Clerk | Arizona |
| 67 | Sarah Gail Kaufman | 16 | Daughter | — | Arizona |
| 68 | Catherine Elaine Kaufman | 18 | Daughter | — | Arizona |
| 69 | Ralph Earl Smith | 43 | Head | Railroad Brakeman | New Jersey |
| 70 | Ethel Mae Smith | 37 | Wife | — | Illinois |
| 71 | Phyllis Smith | 12 | Daughter | — | California |
| 72 | Ruth Smith | 11 | Daughter | — | California |
| 73 | — | None | — | — | — |
| 74 | Urie Paisall | 45 | Head | Minister | Arkansas |
| 75 | Carrie Paisall | 45 | Wife | — | Texas |
| 76 | Charles Paisall | 20 | Son | Journalist | Texas |
| 77 | Billie Paisall | 18 | Son | — | Texas |
| 78 | Carolyn Paisall | 16 | Daughter | — | Texas |
| 79 | Oro Brown | 56 | Head | Railroad Engineer | California |
| 80 | Florence Brown | 37 | Wife | — | Missouri |
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)