MW
Mary Walker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Mary Walker across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed) — first a head (b.~1849), then head of a 5-person household.
Age 91
b. ~1849
Female
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Walker |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 91 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | City & County Denver |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Class of Worker | No |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | City County Denver |
| Est. Birth Year | ~1849 |
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 |
|---|---|---|---|---|
| Alma Walker | Daughter | — | 70 | ~1870 |
| Louise Helm | Daughter | — | 65 | ~1875 |
| Mary Walker | Head | — | 91 | ~1849 |
| Lillian Walker | Son | — | 68 | ~1872 |
| Leroy Walker | Son | — | 54 | ~1886 |
Census Appearances
1920
Denver, Colorado
Spouse, age 69
Denver, Colorado · implied b. ~1851 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Denver, Colorado
Head, age 80
Denver, Colorado · implied b. ~1850 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 80 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Denver-County, Colorado
Head, age 91
Denver-County, Colorado · implied b. ~1849 — 5 household members
| Surname | Walker |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 91 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | City & County Denver |
| 1935 Residence (County) | Denver |
| Class of Worker | No |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Walker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Walker
Head · 1940 · age 91 · b. ~1849 · Colorado
★ 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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00486-00037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Gephart | 31 | Head | Stenographer | Idaho |
| 2 | Mary Gephart | 27 | Sister | Sales Lady | Idaho |
| 3 | James Brice | 32 | Head | — | Washington |
| 4 | Lucille O. Brice | 27 | Wife | — | Washington |
| 5 | Mary L. Brice | 11 | Daughter | — | Washington |
| 6 | William A. Mussery | 27 | Head | Truck Driver | Colorado |
| 7 | Dorothy O. Mussery | 26 | Wife | — | Colorado |
| 8 | Mary A. Walker THIS PERSON | 91 | Head | — | Illinois |
| 9 | Lillian Walker | 68 | Son | — | Illinois |
| 10 | Alma Walker | 70 | Daughter | Seamstress | Iowa |
| 11 | Louise W. Helm | 65 | Daughter | Book Keeper | Iowa |
| 12 | Leroy F. Walker | 54 | Son | — | Iowa |
| 13 | W. H. O. Mussery | 71 | Head | — | Ohio |
| 14 | Theodora Mussery | 70 | Wife | — | Ohio |
| 15 | Eldora Smith | 40 | Lodger | Oiler | Michigan |
| 16 | Lodger Car With Peter | None | M | Overall Fac. | — |
| 17 | Grey Here Starts Palmer | None | Sanitarium | — | — |
| 18 | Daniel Fray | 68 | Head | — | Illinois |
| 19 | Etta O. Fray | 70 | Wife | — | Colorado |
| 20 | Thurman Fray | 42 | Son | House Man | Colorado |
| 21 | Helen Fray | 36 | Daughter in law | Waitress | Colorado |
| 22 | Thomas Fray | 27 | Grandson | Chauffeur | Colorado |
| 23 | Lyla Fray | 24 | Daughter in law | Maid | Wyoming |
| 24 | Thomas Fray | 30 | Grandson | Attendant | Colorado |
| 25 | James Mccarthy | 71 | Lodger | — | Illinois |
| 26 | Robert Tracy | 72 | Lodger | — | Missouri |
| 27 | Underella Morris | 65 | Lodger | — | Minnesota |
| 28 | Irene Traves | 59 | Lodger | — | New York |
| 29 | Esther Hollander | 70 | Lodger | — | Hungary |
| 30 | Edward Young | 63 | Lodger | — | England |
| 31 | John Brook | 40 | Lodger | — | Oregon |
| 32 | Emily Gilmore | 83 | Lodger | — | New York |
| 33 | Teresa Ross | 83 | Lodger | — | New York |
| 34 | Sadie Lundquist | 62 | Lodger | — | Missouri |
| 35 | Harriet Wright | 79 | Lodger | — | Colorado |
| 36 | James Nixon | 76 | Lodger | — | Colorado |
| 37 | Emma Harmon | 81 | Lodger | — | Connecticut |
| 38 | Cora Rentuch | 70 | Lodger | — | Nebraska |
| 39 | Mary Shore | 84 | Lodger | — | W. Virginia |
| 40 | Helen Schmidt | 30 | Lodger | Nurse | Nebraska |
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)