MD
Mary Downey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Buchanan-County, Missouri
Our Model Tree links this Mary Downey across the 1930 and 1940 US Censuses in Buchanan-County, Missouri (XGBoost, ~Confirmed) — first a head (b.~1856), then head of a 6-person household.
Age 84
b. ~1856
Female
Head
Born: Missouri
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Buchanan-County, Missouri |
| Surname | Downey |
| Given Name | Mary F. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 84 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Joseph city |
| 1935 Residence (County) | Buchanan |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Joseph City |
| Est. Birth Year | ~1856 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Julia Downey | Daughter | — | 44 | ~1896 |
| Thomas Downey | Son | — | 56 | ~1884 |
| John Downey | Other | — | 21 | ~1919 |
| Margaret Downey | Daughter | — | 60 | ~1880 |
| Elizabeth Downey | Daughter | — | 52 | ~1888 |
| Mary Downey | Head | — | 84 | ~1856 |
Census Appearances
1930
Buchanan, Missouri
Other, age 74
Buchanan, Missouri · implied b. ~1856 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Downey |
| Given Name | Mary F |
| Relationship to Head | Head-H |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4500 |
| Radio Set | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Buchanan-County, Missouri
Head, age 84
Buchanan-County, Missouri · implied b. ~1856 — 6 household members
| Surname | Downey |
| Given Name | Mary F. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 84 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Joseph city |
| 1935 Residence (County) | Buchanan |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Downey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Downey
Head · 1940 · age 84 · b. ~1856 · Missouri
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Buchanan-County, Missouri
Open full size
1940 US Federal Census — Buchanan-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02088-00624)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jane Townsend | 11 | daughter | — | Missouri |
| 43 | Berthe Albright | 66 | Head | — | Canada |
| 44 | Jenna Albright | 28 | daughter | Teacher | Missouri |
| 45 | Harold Dandliker | 26 | Head | Collector | Missouri |
| 46 | Bernice Dandliker | 21 | Wife | Packer | Iowa |
| 47 | Vera Tilson | 45 | Head | Teacher | Missouri |
| 48 | Leta J Tilson | 66 | Mother | — | Missouri |
| 49 | Ernest Smith | 55 | Head | Assistant Train Master | Kansas |
| 50 | Lola Smith | 54 | Wife | — | Kansas |
| 51 | Reba Smith | 23 | daughter | Credit Clerk | Kansas |
| 52 | Roy Smith | 18 | son | Laborer | Kansas |
| 53 | Shirley Ann Smith | 12 | daughter | — | Kansas |
| 54 | Roger Smith | 9 | son | — | Kansas |
| 55 | Mary F. Downey THIS PERSON | 84 | Head | — | Missouri |
| 56 | Margaret Downey | 60 | daughter | — | Missouri |
| 57 | Thomas Downey | 56 | son | Farmer | Missouri |
| 58 | Elizabeth Downey | 52 | daughter | Stenographer | Missouri |
| 59 | Julia Downey | 44 | daughter | Stenographer | Missouri |
| 60 | John Downey | 21 | Grandson | Messenger | Colorado |
| 61 | Martha Carey | 73 | Head | — | Missouri |
| 62 | Frances Carey | 71 | sister | — | Missouri |
| 63 | Margaret Carey | 67 | sister | Packer | Missouri |
| 64 | Irene C. Berntsen | 41 | lodger | Teacher | Missouri |
| 65 | John Fenner | 47 | Head | Executive | Missouri |
| 66 | Elizabeth Fenner | 45 | Wife | — | Kansas |
| 67 | Marguerite Fenner | 24 | daughter | Clerk | Missouri |
| 68 | John Jr. Fenner | 20 | son | — | Missouri |
| 69 | Floyd Surley | 49 | Head | Inspector | Kansas |
| 70 | Katherine Surley | 48 | Wife | — | Kansas |
| 71 | Norma Surley | 24 | daughter | — | Missouri |
| 72 | W. H. Lumpane | 87 | Head | — | New York |
| 73 | Martha Lumpane | 70 | Wife | — | New York |
| 74 | William Hellis | 83 | Head | — | Missouri |
| 75 | Fannie Hellis | 79 | Wife | — | Missouri |
| 76 | A. C. Hellis | 60 | son | Deputy Jailer | Missouri |
| 77 | G. G. Hellis | 46 | son | Judge | Missouri |
| 78 | Lester Hellis | 50 | son | — | Missouri |
| 79 | G. G. Hellis | 13 | grandson | — | Missouri |
| 80 | Mary E. Bennett | 71 | Head | — | 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)