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Ida Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Iroquois-County, Illinois
Our Model Tree links this Ida Martin across the 1920, 1930 and 1940 US Censuses in Iroquois-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1865), then head of a 3-person household.
Age 75
b. ~1865
Female
Spouse
Born: Switzerland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Iroquois-County, Illinois |
| Surname | Martin |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | Switzerland |
| 1935 Residence (City) | Cissna Park Village |
| 1935 Residence (County) | Iroquois |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth Country | Switzerland |
| Birthplace (normalized) | switzerland |
| Township / Ward | Cissna Park Village |
| Est. Birth Year | ~1865 |
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 Ida | Age | Birth yr |
|---|---|---|---|---|
| Louise Martin | Daughter | — | 28 | ~1912 |
| Arnold Martin | Head | — | 82 | ~1858 |
| Ida Martin | Spouse | — | 75 | ~1865 |
Census Appearances
1920
Du Page, …
Spouse, age 55
Du Page, Illinois · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ida |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Switzerland |
| Year of Immigration | 1886 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Switzerland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Switzerland |
| Year of Naturalization | 1893 |
| Birthplace (normalized) | switzerland |
1930
Iroquois, Illinois
Other, age 65
Iroquois, Illinois · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ida |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Switzerland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1886 |
| Age at First Marriage | 22 |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Switzerland |
| Occupation | Farmer |
| Industry | Truck |
| Class of Worker | O |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Switzerland |
| Birthplace (normalized) | switzerland |
1940
Iroquois-County, Illinois
Spouse, age 75
Iroquois-County, Illinois · implied b. ~1865 — 3 household members
| Surname | Martin |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | Switzerland |
| 1935 Residence (City) | Cissna Park Village |
| 1935 Residence (County) | Iroquois |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth Country | Switzerland |
| Birthplace (normalized) | switzerland |
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 Ida Martin across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Ida Martin
Spouse · 1940 · age 75 · b. ~1865 · Illinois
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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 — Iroquois-County, Illinois
Open full size
1940 US Federal Census — Iroquois-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00813-00858)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Minnie Reckhemmer | 33 | Wife | — | Illinois |
| 42 | Wayne Reckhemmer | 12 | Son | — | Illinois |
| 43 | Donald Reckhemmer | 10 | Son | — | Illinois |
| 44 | Lucile Reckhemmer | 8 | Daughter | — | Illinois |
| 45 | Jackgene Reckhemmer | 6 | Son | — | Illinois |
| 46 | Peter Bucher | 80 | Head | — | France |
| 47 | Ernestine Bauer | 62 | Housekeeper | Housekeeper | France |
| 49 | Mary E. Best | 53 | Head | — | Illinois |
| 50 | James L. Dale | 45 | Head | Tractor Driver | Illinois |
| 51 | Vera Dale | 42 | Wife | — | Illinois |
| 52 | Dorothy Dale | 16 | Daughter | — | Illinois |
| 53 | Arliss Dale | 13 | Daughter | — | Illinois |
| 54 | Wilma Dale | 11 | Daughter | — | Illinois |
| 55 | Mary Ann Dale | 8 | Daughter | — | Illinois |
| 56 | Julia Froehling | 41 | Head | Saleslady | Illinois |
| 57 | Harold Froehling | 12 | Son | — | Illinois |
| 58 | Ralph Froehling | 11 | Son | — | Illinois |
| 59 | Alice Froehling | 8 | Daughter | — | Illinois |
| 60 | William Hoppe | 49 | Head | — | Illinois |
| 61 | Bertha Hoppe | 48 | Wife | — | Illinois |
| 62 | Albert Martin | 45 | Head | Contractor | Illinois |
| 63 | Mollie Martin | 36 | Wife | — | Illinois |
| 64 | Betty Jean Martin | 7 | Daughter | — | Illinois |
| 65 | William Martin | 4 | Son | — | Illinois |
| 66 | Jerry Martin | 2 | Son | — | Illinois |
| 67 | Opal Howard | 41 | Head | Housekeeper | Illinois |
| 68 | Emma Hari | 53 | Head | — | Illinois |
| 69 | Arnold Martin | 82 | Head | — | Switzerland |
| 70 | Ida Martin THIS PERSON | 75 | Wife | — | Switzerland |
| 71 | Louise Martin | 28 | Daughter | Housekeeper | Illinois |
| 72 | John S. Bishop | 86 | Head | — | Illinois |
| 73 | Carrie May Bishop | 82 | Wife | — | Illinois |
| 74 | John B. Enz | 55 | Head | Village Marshall | Illinois |
| 75 | Marie Enz | 44 | Wife | — | Illinois |
| 76 | Loyal Enz | 18 | Son | Laborer | Illinois |
| 77 | Allie Mcmachin | 57 | Head | — | Virginia |
| 78 | Albert Hofer | 31 | Head | Buyer | Illinois |
| 79 | Mildred Hofer | 25 | Wife | — | Illinois |
| 80 | Ronald Hofer | 2 | Son | — | Illinois |
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)