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Mary Bacon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Laclede-County, Missouri
Our Model Tree links this Mary Bacon across the 1930 and 1940 US Censuses in Laclede-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 5-person household.
Age 17
b. ~1923
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Laclede-County, Missouri |
| Surname | Bacon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Union Township |
| 1935 Residence (County) | Laclede |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Union Township |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mollie Bacon | Spouse | — | 40 | ~1900 |
| Iena Bacon | Daughter | — | 15 | ~1925 |
| Ruth Bacon | Daughter | — | 18 | ~1922 |
| Mary Bacon | Daughter | — | 17 | ~1923 |
| Ivan Bacon | Head | — | 42 | ~1898 |
Census Appearances
1930
Laclede, Missouri
Daughter, age 6
Laclede, Missouri · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bacon |
| Given Name | Mary B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Laclede-County, Missouri
Daughter, age 17
Laclede-County, Missouri · implied b. ~1923 — 5 household members
| Surname | Bacon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Union Township |
| 1935 Residence (County) | Laclede |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| 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 Bacon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bacon
Daughter · 1940 · age 17 · b. ~1923 · Missouri
★ You are viewing this record
Sibling
Ruth Bacon
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Iena Bacon
Sibling · 1940 · age 15
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 — Laclede-County, Missouri
Open full size
1940 US Federal Census — Laclede-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02121-00580)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alma Bass | 49 | Wife | — | Missouri |
| 42 | Sidney Jr. Bass | 21 | Son | Farmer | Missouri |
| 43 | Helen Bass | 23 | Daughter | — | Missouri |
| 44 | Barbara Bass | 12 | Daughter | — | Missouri |
| 45 | Abel F. Lawrence | 77 | Head | Farmer | Missouri |
| 46 | Maude Lawrence | 60 | Wife | — | Missouri |
| 47 | Ella Davidson | 62 | Head | Farmer | Missouri |
| 48 | Ivan G. Bacon | 42 | Head | Farmer | Missouri |
| 49 | Mollie Bacon | 40 | Wife | — | Missouri |
| 50 | Ruth Bacon | 18 | Daughter | — | Missouri |
| 51 | Mary Bacon THIS PERSON | 17 | Daughter | — | Missouri |
| 52 | Iena Bacon | 15 | Daughter | — | Missouri |
| 53 | Arthur Wallace | 66 | Head | Farmer | Missouri |
| 54 | Sollie Wallace | 64 | Sister | — | Missouri |
| 55 | Andrew Knight | 60 | Head | Farmer | Missouri |
| 56 | Margaret Knight | 57 | Wife | — | Missouri |
| 57 | Warren Knight | 20 | Son | Laborer | Missouri |
| 58 | Walter Knight | 12 | Son | — | Missouri |
| 59 | Claude Peters | 49 | Head | Farming | Missouri |
| 60 | Ruby Peters | 28 | Wife | — | Missouri |
| 61 | Lawrence Addison | 25 | Head | Farmer | Missouri |
| 62 | Wilma Addison | 20 | Wife | — | Missouri |
| 63 | Eddie Addison | 1 | Son | — | Missouri |
| 64 | Ted Brown | 35 | Head | Care Taker | Missouri |
| 65 | Naomi Brown | 26 | Wife | — | Missouri |
| 66 | Helen Brown | 1 | Daughter | — | Missouri |
| 67 | Mattie Brown | 60 | Mother | — | Missouri |
| 68 | Ted Brown | 22 | Brother | Laborer | Missouri |
| 69 | Elko Sinthlin | 33 | Head | Laborer | Missouri |
| 70 | Grace Sinthlin | 26 | Wife | — | Missouri |
| 71 | Maggie Sinthlin | 8 | Daughter | — | Kansas |
| 72 | Richard Sinthlin | 5 | Son | — | Missouri |
| 73 | Roy Sinthlin | 3 | Son | — | Missouri |
| 74 | Charlie Sinthlin | 1 | Son | — | Missouri |
| 75 | Pleasant R. Davis | 59 | Head | Farmer | Missouri |
| 76 | Polly Jane Davis | 55 | Wife | — | Missouri |
| 77 | Lewis O. Kneeden | 31 | Head | Asst. Manager | Missouri |
| 78 | Myrtle Kneeden | 25 | Wife | — | Missouri |
| 79 | Robert Lee Kneeden | 11 | Son | — | Missouri |
| 80 | Frank Mills | 54 | Head | Farmer | 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)