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Jennie Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mchenry-County, Illinois
Our Model Tree links this Jennie Smith across the 1920, 1930 and 1940 US Censuses in Mchenry-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 4-person household.
Age 53
b. ~1887
Female
Spouse
Born: Holland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mchenry-County, Illinois |
| Surname | Smith |
| Given Name | Jennie D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Holland |
| 1935 Residence (City) | Hebron Village |
| 1935 Residence (County) | McHenry |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| Birth Country | Netherlands |
| Birthplace (normalized) | holland |
| Township / Ward | Hebron Village |
| Est. Birth Year | ~1887 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jennie | Age | Birth yr |
|---|---|---|---|---|
| Richard Smith | Son | — | 17 | ~1923 |
| Bernard Smith | Son | — | 23 | ~1917 |
| Charles Smith | Son | — | 21 | ~1919 |
| Jennie Smith | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Mchenry, Illinois
Spouse, age 38
Mchenry, Illinois · implied b. ~1882 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Jennie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Holland |
| Naturalization Status | un |
| Father's Birthplace | Holland |
| Mother's Birthplace | Holland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Dutch |
| Birth Country | Netherlands |
| Birthplace (normalized) | holland |
1930
Mchenry, Illinois
Other, age 48
Mchenry, Illinois · implied b. ~1882 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Jennie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Holland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 24 |
| Father's Birthplace | Holland |
| Mother's Birthplace | Holland |
| Can Read/Write | Yes |
| Mother Tongue | Holland |
| Birth Country | Netherlands |
| Birthplace (normalized) | holland |
1940
Mchenry-County, Illinois
Spouse, age 53
Mchenry-County, Illinois · implied b. ~1887 — 4 household members
| Surname | Smith |
| Given Name | Jennie D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Holland |
| 1935 Residence (City) | Hebron Village |
| 1935 Residence (County) | McHenry |
| Naturalization Status | Naturalized |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| Birth Country | Netherlands |
| Birthplace (normalized) | holland |
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 Smith 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 Smith
Spouse · 1940 · age 53 · b. ~1887 · 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 — Mchenry-County, Illinois
Open full size
1940 US Federal Census — Mchenry-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00840-00774)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jennie D. Smith THIS PERSON | 53 | Wife | — | Holland |
| 2 | Bernard H. Smith | 23 | Son | Factory Laborer | Illinois |
| 3 | Charles J. Smith | 21 | Son | Factory Laborer | Illinois |
| 4 | Richard E. Smith | 17 | Son | — | Illinois |
| 5 | Marie E. Vogel | 47 | Head | — | Illinois |
| 6 | William E. Vogel | 22 | Son | Helper On Chicken Farm | Illinois |
| 7 | Arnold L. Vogel | 15 | Son | — | Illinois |
| 8 | Shirley M. Vogel | 12 | Daughter | — | Illinois |
| 9 | Helen M. Vogel | 11 | Daughter | — | Illinois |
| 10 | Ida L. Woodbury | 74 | Head | — | Illinois |
| 11 | Glen L. Spooner | 28 | Head | Gas Station Attendant | Illinois |
| 12 | Ardilla M. Spooner | 32 | Wife | — | Illinois |
| 13 | Elvin A. Mead | 62 | Head | Dentist | Illinois |
| 14 | Lora C. Mead | 56 | Wife | — | Illinois |
| 15 | Ivan V. Parker | 25 | Head | Plater | Illinois |
| 16 | Wilda P. Parker | 22 | Wife | — | Illinois |
| 17 | David L. Parker | 1 | Son | — | Illinois |
| 18 | Allen J. Parker | 0 | Son | — | Illinois |
| 19 | Rose E. Blunk | 63 | Head | — | Wisconsin |
| 20 | Owen D. Ross | 70 | Lodger | — | Illinois |
| 21 | James D. Mckibben | 39 | Lodger | — | Wisconsin |
| 22 | Otto Wagner | 35 | Lodger | Day Labor | Illinois |
| 23 | John A. Link | 29 | Head | Bookkeeper In Bank | Wisconsin |
| 24 | Kittie E. Link | 27 | Wife | — | Wisconsin |
| 25 | Mary Belle Link | 3 | Daughter | — | Illinois |
| 26 | John R. Link | 0 | Son | — | Illinois |
| 27 | Charles A. Sime | 79 | Head | Water Superintendent | Wisconsin |
| 28 | Nellie M. Harrigan | 77 | Sister | — | Wisconsin |
| 29 | Clarence A. Graffert | 42 | Head | Tavern Owner | Illinois |
| 30 | Ruth E. Graffert | 41 | Wife | — | Minnesota |
| 31 | Eugene R. Graffert | 10 | Son | — | Ohio |
| 32 | Louise Elliott | 80 | Mother-in-law | — | Wisconsin |
| 33 | Earle W. Glantz | 30 | Nephew | Bar Tender | Pennsylvania |
| 34 | Florence Glantz | 30 | Niece | House Maid | Minnesota |
| 35 | Ezekiel E. Mallory | 60 | Head | Owner Of Printing Office | Iowa |
| 36 | Fred N. Turner | 51 | Head | Livestock + Feed Dealer | Wisconsin |
| 37 | Nellie Turner | 40 | Wife | — | Wisconsin |
| 38 | Nellie Marie Turner | 14 | Daughter | — | Illinois |
| 39 | Susan M. Cole | 62 | Head | — | 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)