MK
Mary Kline — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ogle-County, Illinois
Our Model Tree links this Mary Kline across the 1930 and 1940 US Censuses in Ogle-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 5-person household.
Age 42
b. ~1898
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ogle-County, Illinois |
| Surname | Kline |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Scott |
| 1935 Residence (County) | Ogle |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Scott |
| Est. Birth Year | ~1898 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Kline | Daughter | — | 23 | ~1917 |
| Theodore Kline | Son | — | 21 | ~1919 |
| Lawrence Kline | Head | — | 49 | ~1891 |
| Mary Kline | Spouse | — | 42 | ~1898 |
| Sidney Kline | Son | — | 19 | ~1921 |
Census Appearances
1930
Winnebago, Illinois
Other, age 33
Winnebago, Illinois · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kline |
| Given Name | Mary |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 21 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Ogle-County, Illinois
Spouse, age 42
Ogle-County, Illinois · implied b. ~1898 — 5 household members
| Surname | Kline |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Scott |
| 1935 Residence (County) | Ogle |
| Income (1939) | 0 |
| Highest Grade | C 1 |
| 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 Mary Kline across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kline
Spouse · 1940 · age 42 · b. ~1898 · 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 — Ogle-County, Illinois
Open full size
1940 US Federal Census — Ogle-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00863-00811)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Arvid Johnston | 40 | Son | Farmer | Nebraska |
| 42 | Ernest Johnston | 36 | Son | Farmer | Nebraska |
| 43 | Albert C. Hass | 40 | Head | Farmer | Illinois |
| 44 | Maybelle V. Hass | 34 | Wife | — | Illinois |
| 45 | Shirley Ann Hass | 9 | Daughter | — | Illinois |
| 46 | Fred C. Wagner | 56 | Head | Farmer | Illinois |
| 47 | Anna H. Wagner | 55 | Wife | — | Iowa |
| 48 | Clifford J. Luckey | 60 | Head | Farmer | Illinois |
| 49 | Mary A. Luckey | 57 | Wife | — | Illinois |
| 50 | Elmer H. Luckey | 36 | Son | Farmer | Illinois |
| 51 | Joseph W. Schumacher | 30 | Head | Farmer | Illinois |
| 52 | Geraldine B. Schumacher | 28 | Wife | — | Illinois |
| 53 | Arlene E. Schumacher | 6 | Daughter | — | Illinois |
| 54 | Fredrick J. Schumacher | 4 | Son | — | Illinois |
| 55 | John H. Jerviel | 20 | Brother-in-law | Farm Laborer | Illinois |
| 56 | Harold F. Jerviel | 18 | Brother-in-law | Farm Laborer | Illinois |
| 57 | August Summer | 38 | Head | Farmer | Germany |
| 58 | Anna M. Summer | 38 | Wife | — | Germany |
| 59 | Richard J. Summer | 8 | Son | — | Illinois |
| 60 | Mac Swanson | 45 | Head | Machine Operator | Illinois |
| 61 | William Swanson | 44 | Brother | Chauffeur | Illinois |
| 62 | Robert Swanson | 29 | Brother | Laborer | Illinois |
| 63 | Charles Gibson | 48 | Head | Farmer | Michigan |
| 64 | Katherine Gibson | 60 | Wife | — | Illinois |
| 65 | James Mccormick | 58 | Brother-in-law | — | Illinois |
| 66 | John Mccormick | 68 | Brother-in-law | — | Illinois |
| 67 | Henry N. Blackman | 69 | Head | Farmer | Illinois |
| 68 | Alice M. Blackman | 34 | Daughter | — | Illinois |
| 69 | Dorothy Baker | 18 | Lodger | — | Illinois |
| 70 | Martin H. Bimmer | 54 | Head | Farmer | Illinois |
| 71 | Cecilia G. Bimmer | 51 | Wife | — | Illinois |
| 72 | Harold F. Bimmer | 20 | Son | Farm Laborer | Illinois |
| 73 | Gertrude A. Bimmer | 17 | Daughter | — | Illinois |
| 74 | Lloyd H. Bimmer | 10 | Son | — | Illinois |
| 75 | Lawrence Kline | 49 | Head | Farmer | Illinois |
| 76 | Mary Kline THIS PERSON | 42 | Wife | — | Iowa |
| 77 | Helen Kline | 23 | Daughter | Secretary | Iowa |
| 78 | Theodore Kline | 21 | Son | Farmer | Iowa |
| 79 | Sidney Kline | 19 | Son | Farmer | Iowa |
| 80 | J. Ellis Eneligan | 28 | Head | Farmer | 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)