MG
Mary Gardner — 1940 US Census Record
Model Tree available1940 United States Federal Census · Livingston-County, Missouri
Our Model Tree links this Mary Gardner across the 1920, 1930 and 1940 US Censuses in Livingston-County, Missouri (XGBoost, ~Confirmed), with identified parents F & Francis — first a daughter (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Livingston-County, Missouri |
| Surname | Gardner |
| Given Name | Mary P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marshalltown |
| 1935 Residence (County) | Livingston |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 810 |
| Highest Grade | C 3 |
| 1935 Residence | Missouri |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Teacher |
| Township / Ward | Chillicothe |
| Est. Birth Year | ~1915 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Gardner | Daughter | — | 25 | ~1915 |
| Francis Gardner | Head | — | 61 | ~1879 |
| Maude Gardner | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Livingston, Missouri
Daughter, age 4
Livingston, Missouri · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Mary Pearl |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Missouri |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Livingston, Missouri
Daughter, age 15
Livingston, Missouri · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Livingston-County, Missouri
Daughter, age 25
Livingston-County, Missouri · implied b. ~1915 — 3 household members
| Surname | Gardner |
| Given Name | Mary P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marshalltown |
| 1935 Residence (County) | Livingston |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 810 |
| Highest Grade | C 3 |
| 1935 Residence | Missouri |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Gardner across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father F Gardner (~0.92 confidence) and father Francis Gardner (~0.92 confidence) and father Thomas Gardner (~0.92 confidence) and mother Maud Gardner (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
F Gardner
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Francis Gardner
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Thomas Gardner
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Maud Gardner
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Gardner
Daughter · 1940 · age 25 · b. ~1915 · Missouri
★ 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 — Livingston-County, Missouri
Open full size
1940 US Federal Census — Livingston-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02125-00769)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Oren F. Crookshanks | 45 | Head | Salesman | Missouri |
| 42 | Margaret E. Crookshanks | 42 | Wife | — | Missouri |
| 43 | Thomas E. Crookshanks | 18 | Son | — | Missouri |
| 44 | Rita Mae Crookshanks | 16 | Daughter | — | Missouri |
| 45 | Marjorie H. Crookshanks | 14 | Daughter | — | Missouri |
| 46 | Marjorie Powers | 20 | Lodger | Asst Nurse | Missouri |
| 47 | Doris Hussey | 28 | Lodger | Operator | Missouri |
| 48 | Hattie B. Wenser | 25 | Lodger | Operator | Missouri |
| 49 | Virgil B. Hunt | 49 | Head | Jeweler | Missouri |
| 50 | Vera M. Hunt | 48 | Wife | — | Missouri |
| 51 | Rosemary Hunt | 18 | Daughter | — | Missouri |
| 52 | Howard E. Cox | 50 | Head | Electrician | Missouri |
| 53 | Maude H. Cox | 52 | Wife | — | Missouri |
| 54 | Mary C. Cox | 20 | Daughter | — | Missouri |
| 55 | Howard E. Cox | 18 | Son | — | Missouri |
| 56 | Ronald E. Cox | 13 | Son | — | Missouri |
| 57 | John D. Williams | 49 | Head | Taxi | Missouri |
| 58 | Eva Williams | 39 | Wife | Lodginghouse Keeper | Illinois |
| 59 | D. Shiiler | 11 | Daughter | — | Missouri |
| 60 | Samuel L. Sheets | 63 | Lodger | Lawyer | Missouri |
| 61 | Mildred Dean | 23 | Lodger | — | Kansas |
| 62 | Hubert G. Hoglen | 21 | Lodger | — | Missouri |
| 63 | Thomas F. Mcnierney | 18 | Lodger | — | New Mexico |
| 64 | John P. W. Jasper | 21 | Lodger | Labor | Arkansas |
| 65 | Florence R. Oberlag | 58 | Head | Chiropractor | Missouri |
| 66 | Anna M. Oberlag | 53 | Wife | — | Missouri |
| 67 | Margaret A. Oberlag | 27 | Daughter | Stenographer | Missouri |
| 68 | Arthur F. Chapin | 86 | Head | Retired | New York |
| 69 | Phoebe S. Chapin | 80 | Wife | — | Indiana |
| 70 | Jay H. Smith | 46 | Head | Clerical | Missouri |
| 71 | Maxine K. Smith | 25 | Wife | — | Missouri |
| 72 | Morris R. Smith | 23 | Son | Clerical | Missouri |
| 73 | Robert G. Beaty | 42 | Head | Traveling Salesman | Iowa |
| 74 | Mary S. Beaty | 31 | Wife | — | Missouri |
| 75 | Mary E. Beaty | 8 | Daughter | — | Missouri |
| 76 | Mary Lynn Beaty | 5 | Neice | — | Missouri |
| 77 | Francis A. Gardner | 61 | Head | Salesman | Massachusetts |
| 78 | Maude G. Gardner | 52 | Wife | — | Missouri |
| 79 | Mary P. Gardner THIS PERSON | 25 | Daughter | Teacher | Iowa |
Pedigree Summary
Mary
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)