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Jennie Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Iowa
Our Model Tree links this Jennie Martin across the 1920, 1930 and 1940 US Censuses in Marion-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1873), then head of a 3-person household.
Age 67
b. ~1873
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Iowa |
| Surname | Martin |
| Given Name | Jennie M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Swan Township |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | House keeper |
| Industry | own home |
| Class of Worker | H |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Housekeeper |
| Township / Ward | Swan Township |
| Est. Birth Year | ~1873 |
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 Jennie | Age | Birth yr |
|---|---|---|---|---|
| Lois Martin | Daughter | — | 41 | ~1899 |
| William Martin | Head | — | 69 | ~1871 |
| Jennie Martin | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Marion, Iowa
Spouse, age 47
Marion, Iowa · implied b. ~1873 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Jennie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Marion, Iowa
Spouse, age 57
Marion, Iowa · implied b. ~1873 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Jennie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 23 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Marion-County, Iowa
Spouse, age 67
Marion-County, Iowa · implied b. ~1873 — 3 household members
| Surname | Martin |
| Given Name | Jennie M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Swan Township |
| 1935 Residence (County) | Marion |
| Occupation | House keeper |
| Industry | own home |
| Class of Worker | H |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Jennie Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Jennie Martin
Spouse · 1940 · age 67 · b. ~1873 · Iowa
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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 — Marion-County, Iowa
Open full size
1940 US Federal Census — Marion-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01181-00756)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harley Crook | 54 | Head | Laborer | Indiana |
| 42 | Ella May Crook | 42 | Wife | House Keeper | Iowa |
| 43 | Stanley Crook | 23 | Son | Laborer | Iowa |
| 44 | Eugene Crook | 17 | Son | — | Iowa |
| 45 | Caryl Crook | 14 | Daughter | — | Iowa |
| 46 | Jacob R. Deveny | 54 | Head | Farmer | Iowa |
| 47 | Emma E. Deveny | 82 | Mother | House Keeper | Iowa |
| 48 | Virgil Pyle | 50 | Head | Farmer | Iowa |
| 49 | Ethyl Pyle | 44 | Wife | House Keeper | Iowa |
| 50 | Mont Penty | 65 | Head | Farmer | Iowa |
| 51 | Myrta Penty | 55 | Wife | House Keeper | Iowa |
| 52 | Elza Devoll | 30 | Head | Farmer | Illinois |
| 53 | Addie Bell Devoll | 48 | Wife | House Wife | Nebraska |
| 54 | Jesse Devoll | 20 | Son | — | Nebraska |
| 55 | Mary V. Devoll | 13 | Daughter | — | Iowa |
| 56 | Lawrence Devoll | 28 | Son | Laborer | Nebraska |
| 57 | Veda Devoll | 20 | Wife | House Wife | Iowa |
| 58 | Thomas H. Wren | 47 | Head | Laborer | Iowa |
| 59 | Lucy Wren | 49 | Wife | House Wife | Iowa |
| 60 | James Wren | 21 | Son | Laborer | Iowa |
| 61 | John Wren | 19 | Son | Laborer | Iowa |
| 62 | Lucela Wren | 15 | Daughter | — | Iowa |
| 63 | Richard Wren | 13 | Son | — | Iowa |
| 64 | Martha Wren | 10 | Daughter | — | Iowa |
| 65 | Robert Wren | 7 | Son | — | Iowa |
| 66 | Henry Johnson | 33 | Head | Farmer | Iowa |
| 67 | Laura Johnson | 37 | Wife | House Keeper | Iowa |
| 68 | Cecil Beebe | 36 | Boarder | Laborer | Iowa |
| 69 | Elmer Thornburg | 54 | Head | Farmer | Iowa |
| 70 | Wilma Thornburg | 53 | Wife | House Keeper | Iowa |
| 71 | William Martin | 69 | Head | Farmer | Iowa |
| 72 | Jennie M. Martin THIS PERSON | 67 | Wife | House Keeper | Iowa |
| 73 | Lois Martin | 41 | Daughter | Art | Iowa |
| 74 | Sherman Agan | 50 | Head | Farmer | Indiana |
| 75 | Eric Blake | 47 | Head | Farmer | Iowa |
| 76 | Lydia Blake | 43 | Wife | House Keeper | Iowa |
| 77 | Fredrick Blake | 22 | Son | — | Iowa |
| 78 | Beulah Blake | 19 | Daughter | Teacher | Iowa |
| 79 | Robert Joyce | 65 | Head | Farmer | Iowa |
| 80 | Florence Joyce | 60 | Wife | House Keeper | Iowa |
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)