MH
Mary Hardin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marion, Missouri
Our Model Tree links this Mary Hardin across the 1920, 1930 and 1940 US Censuses in Marion, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 6-person household.
Age 54
b. ~1876
Female
Spouse
Born: Missouri
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Missouri |
| Surname | Hardin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 27 |
| Father's Birthplace | Germany |
| Mother's Birthplace | France |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Hannibal City |
| Est. Birth Year | ~1876 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Hardin | Daughter | — | 23 | ~1907 |
| Ellen Bradley | Other | — | 4 | ~1926 |
| Margaret Hardin | Daughter | — | 22 | ~1908 |
| George Hardin | Son | — | 19 | ~1911 |
| Mary Hardin | Spouse | — | 54 | ~1876 |
| Walter Hardin | Head | — | 69 | ~1861 |
Census Appearances
1920
Marion, Missouri
Spouse, age 44
Marion, Missouri · implied b. ~1876 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hardin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | France |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Marion, Missouri
Spouse, age 54
Marion, Missouri · implied b. ~1876 — 6 household members
| Surname | Hardin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 27 |
| Father's Birthplace | Germany |
| Mother's Birthplace | France |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Marion-County, Missouri
Head, age 64
Marion-County, Missouri · implied b. ~1876
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Harden |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| 1935 Residence (City) | Hannibal City |
| 1935 Residence (County) | Marion |
| Occupation | Maid |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 60 |
| Highest Grade | No 4 |
| 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 Hardin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Hardin
Spouse · 1930 · age 54 · b. ~1876 · Missouri
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Marion, Missouri
Open full size
1930 US Federal Census — Marion, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1211:0735)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Robert H Mckinney | 55 | Head | Dentist | Pennsylvania |
| 52 | Eva I Mckinney | 60 | Wife | — | Indiana |
| 53 | John F Mckinney | 18 | Son | — | Missouri |
| 54 | Myra Petrie | 36 | Roomer | Dental Assistant | Illinois |
| 55 | Ray E Hoffman | 48 | Head | Superintendent | Iowa |
| 56 | Kathlene Hoffman | 42 | Wife | — | Missouri |
| 57 | Marion F Hoffman | 20 | Daughter | — | Missouri |
| 58 | Richard H Hoffman | 17 | Son | — | Missouri |
| 59 | Ray E Jr. Hoffman | 13 | Son | — | Missouri |
| 60 | James B Hoffman | 11 | Son | — | Missouri |
| 61 | Eva S Smith | 64 | Head | — | Missouri |
| 62 | Irving J Heinze | 34 | Head | Teller | Missouri |
| 63 | Emma Heinze | 35 | Wife | — | Indiana |
| 64 | Robert C Heinze | 9 | Son | — | Missouri |
| 65 | Toma J Heinze | 5 | Daughter | — | Missouri |
| 66 | Carrie M Heinze | 65 | Mother | — | Missouri |
| 67 | James W Tschuorhagen | 47 | Head | Cigar Maker | Missouri |
| 68 | Bess Tschuorhagen | 47 | Wife | — | Missouri |
| 69 | Allen Tschuorhagen | 25 | Son | Book Keeper | Missouri |
| 70 | Elizabeth Tschuorhagen | 20 | Daughter | — | Missouri |
| 71 | George A Brown | 47 | Head | Proprietor | Missouri |
| 72 | Helen W Brown | 35 | Wife | — | Missouri |
| 73 | Helen W Brown | 13 | Daughter | — | Missouri |
| 74 | George A Jr. Brown | 10 | Son | — | Missouri |
| 75 | Harriett Brown | 7 | Daughter | — | Missouri |
| 76 | William C Bonnell | 33 | Head | Machinist | Missouri |
| 77 | Minnie Bonnell | 32 | Wife | — | Missouri |
| 78 | Billy Bonnell | 11 | Son | — | Illinois |
| 79 | Enoch M Green | 49 | Head | Proprietor | Missouri |
| 80 | Bertha M Green | 40 | Wife | Clerk | Missouri |
| 81 | Anzelia Smith | 76 | Mother-in-law | — | Kentucky |
| 82 | Charlie E Perkins | 52 | Head | Laborer | Missouri |
| 83 | Mary J Perkins | 46 | Wife | — | Missouri |
| 84 | Opal J Turney | 20 | Daughter | — | Missouri |
| 85 | Shellbert W Turney | 21 | Son-in-law | Laborer | Oklahoma |
| 86 | Walter Hardin | 69 | Head | Laborer | Pennsylvania |
| 87 | Mary Hardin THIS PERSON | 54 | Wife | — | Missouri |
| 88 | Helen Hardin | 23 | Daughter | Teacher | Missouri |
| 89 | Margaret Hardin | 22 | Daughter | Maid | Missouri |
| 90 | George Hardin | 19 | Son | Machinist | Missouri |
| 91 | Ellen Bradley | 4 | Granddaughter | — | Missouri |
| 92 | Harry E Grimes | 48 | Head | Foreman | Illinois |
| 93 | Mary Grimes | 51 | Wife | — | Missouri |
| 94 | John L Moore | 30 | Head | Salesman | Missouri |
| 95 | Mary E Moore | 29 | Wife | — | Missouri |
| 96 | Anna P Moore | 1 | Daughter | — | Missouri |
| 97 | Cora S Smith | 64 | Head | — | Indiana |
| 98 | Leeta Hornback | 35 | Daughter | — | Indiana |
| 99 | Edward Hornback | 10 | Grandson | — | Missouri |
| 100 | John Worland | 68 | Roomer | Accountant | Missouri |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)