MG
Mary Gibbons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Missouri
Our Model Tree links this Mary Gibbons across the 1930 and 1940 US Censuses in Knox-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Missouri |
| Surname | Gibbons |
| Given Name | Mary Ab |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Knox |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 247 |
| Highest Grade | Hs 4 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Teacher |
| Township / Ward | Bee Ridge Township |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Gibbons | Son | — | 8 | ~1932 |
| Patty Gibbons | Son | — | 6 | ~1934 |
| Paul Gibbons | Son | — | 11 | ~1929 |
| P Gibbons | Head | — | 57 | ~1883 |
| Rosanna Gibbons | Daughter | — | 16 | ~1924 |
| Josephine Gibbons | Spouse | — | 47 | ~1893 |
| Mary Gibbons | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Knox, Missouri
Daughter, age 11
Knox, Missouri · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gibbons |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Knox-County, Missouri
Daughter, age 21
Knox-County, Missouri · implied b. ~1919 — 7 household members
| Surname | Gibbons |
| Given Name | Mary Ab |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Knox |
| 1935 Residence (County) | Knox |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 247 |
| Highest Grade | Hs 4 |
| 1935 Residence | Missouri |
| 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 Gibbons across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gibbons
Daughter · 1940 · age 21 · b. ~1919 · Missouri
★ You are viewing this record
Sibling
Patty Gibbons
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Gibbons
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Gibbons
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosanna Gibbons
Sibling · 1940 · age 16
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 — Knox-County, Missouri
Open full size
1940 US Federal Census — Knox-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02121-00013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Son Le Roy | None | M | Farm | — |
| 42 | Clarence Withers | 36 | Head | Farmer | Missouri |
| 43 | Marie Withers | 32 | Wife | — | Missouri |
| 44 | Catherine Withers | 7 | Daughter | — | Illinois |
| 45 | Harry Clark | 45 | Helper | Helper | Missouri |
| 46 | Erma Clark | 27 | Helper | — | Missouri |
| 47 | J. H. Bishop | 63 | Head | Farmer | Missouri |
| 48 | Mabell Bishop | 52 | Wife | — | Missouri |
| 49 | Holland Bishop | 32 | Son | Helper | Missouri |
| 50 | Norma Jean Bishop | 8 | Daughter | — | Missouri |
| 51 | George Schroder | 35 | Head | Farmer | Iowa |
| 52 | Catherine Schroder | 34 | Wife | — | Iowa |
| 53 | Donald Schroder | 11 | Son | — | Iowa |
| 54 | Lawrence Schroder | 5 | Son | — | Iowa |
| 55 | Ernest Hall | 51 | Head | Farm | Missouri |
| 56 | Edna Hall | 28 | Wife | — | Missouri |
| 57 | Ernestine Hall | 11 | Daughter | — | Missouri |
| 58 | R. E. Hall | 64 | Head | Farmer | Missouri |
| 59 | Allie B. Hall | 64 | Wife | — | Missouri |
| 60 | Lee Scott Hall | 23 | Son | Farmer | Missouri |
| 61 | Nannie B. Rausch | 70 | Head | — | Kentucky |
| 62 | Jay L. Rausch | 43 | Son | Farmer | Illinois |
| 63 | Frank Rausch | 29 | Son | Farmer | Illinois |
| 64 | Maxie Davis | 46 | Head | Farmer | Missouri |
| 65 | Hazel Davis | 43 | Wife | — | Missouri |
| 66 | Lee Davis | 11 | Son | — | Missouri |
| 67 | C. H. Davis | 80 | Father | — | Missouri |
| 68 | Willis Boltz | 45 | Head | Farmer | Missouri |
| 69 | Glenn Baker | 37 | Head | Farmer | Missouri |
| 70 | Frances Baker | 27 | Wife | — | Iowa |
| 71 | Billie Lee Baker | 1 | Son | — | Missouri |
| 72 | P. H. Gibbons | 57 | Head | Farmer | Missouri |
| 73 | Josephine Gibbons | 47 | Wife | — | Missouri |
| 74 | Mary Ab Gibbons THIS PERSON | 21 | Daughter | Teacher | Missouri |
| 75 | Rosanna Gibbons | 16 | Daughter | — | Missouri |
| 76 | Paul Gibbons | 11 | Son | — | Missouri |
| 77 | Charles Gibbons | 8 | Son | — | Missouri |
| 78 | Patty Gibbons | 6 | Son | — | Missouri |
| 79 | Mahlon Day | 65 | Head | Farmer | Indiana |
| 80 | Rebecca Day | 52 | 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)