MK
Mary Kline — 1940 US Census Record
Model Tree available1940 United States Federal Census · Darke-County, Ohio
Our Model Tree links this Mary Kline across the 1920, 1930 and 1940 US Censuses in Darke-County, Ohio (XGBoost, ~Confirmed), with identified parents C & John — first a daughter (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Darke-County, Ohio |
| Surname | Kline |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | GREENVILLE |
| 1935 Residence (County) | DARKE |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Wholesale House |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 900 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Stenographer |
| Township / Ward | Greenville |
| Est. Birth Year | ~1910 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Kline | Head | — | 57 | ~1883 |
| Frances Kline | Daughter | — | 24 | ~1916 |
| Margaret Kline | Daughter | — | 33 | ~1907 |
| Mary Kline | Daughter | — | 30 | ~1910 |
| Louise Kline | Daughter | — | 22 | ~1918 |
| Maude Kline | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Darke, Ohio
Daughter, age 9
Darke, Ohio · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kline |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
Daughter, age 19
Darke, Ohio · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cline |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Book Keeper |
| Industry | Cabinet Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Darke-County, Ohio
Daughter, age 30
Darke-County, Ohio · implied b. ~1910 — 6 household members
| Surname | Kline |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | GREENVILLE |
| 1935 Residence (County) | DARKE |
| Occupation | Stenographer |
| Industry | Wholesale House |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 900 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father C Cline (~0.92 confidence) and father John Kline (~0.92 confidence) and father John Kline (~0.92 confidence) and mother Blanch Cline (~0.92 confidence) and mother Maud Kline (~0.92 confidence) and mother Maude Kline (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
C Cline
b. ~1878
Source father
● Household
· direct · ~0.92
Father
John Kline
b. ~1883
Source father
● Household
· direct · ~0.92
Father
John Kline
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Blanch Cline
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Maud Kline
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Maude Kline
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Kline
Daughter · 1940 · age 30 · b. ~1910 · Ohio
★ You are viewing this record
Sibling
Louise Kline
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Kline
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Kline
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Darke-County, Ohio
Open full size
1940 US Federal Census — Darke-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03060-00424)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Stamm | 45 | Head | Laborer | Indiana |
| 42 | Cleo Stamm | 40 | Wife | Seamstress | Ohio |
| 43 | Walter Heller | 57 | Head | Salesman | Ohio |
| 44 | Clara Heller | 49 | Wife | Minister | Ohio |
| 45 | James B. Lucy | 83 | Father | Retired | Ohio |
| 46 | Robert Newbauer | 33 | Head | Clerk | Ohio |
| 47 | Marcella Newbauer | 25 | Wife | Housework | Ohio |
| 48 | Ronnie Newbauer | 4 | Son | — | Ohio |
| 49 | Rodney Newbauer | 2 | Son | — | Ohio |
| 50 | David Kreider | 85 | Head | Retired | Ohio |
| 51 | Sarah Kreider | 54 | Daughter | Housework | Ohio |
| 52 | Alma Steen | 49 | Daughter | Dress Maker | Ohio |
| 53 | John E. Kline | 57 | Head | Sec-Treas | Ohio |
| 54 | Maude Kline | 57 | Wife | Housework | Ohio |
| 55 | Margaret Kline | 33 | Daughter | Asst Sec | Ohio |
| 56 | Mary Kline THIS PERSON | 30 | Daughter | Stenographer | Ohio |
| 57 | Frances Kline | 24 | Daughter | Stenographer | Ohio |
| 58 | Louise Kline | 22 | Daughter | Stenographer | Ohio |
| 59 | Lloyd Coon | 63 | Head | Pharmacist | Michigan |
| 60 | Jesse Coon | 60 | Wife | Housework | Kansas |
| 61 | Mildred Coon | 35 | Daughter | Bookkeeper | Arkansas |
| 62 | Loyal Kendall | 27 | Head | Stock Buyer | Ohio |
| 63 | Dorothy Kendall | 25 | Wife | Clerk | Ohio |
| 64 | Jack Campbell | 26 | Head | Assembler | Indiana |
| 65 | Grace Campbell | 27 | Wife | Waitress | Ohio |
| 66 | Clyde Sr. Dennison | 36 | Head | Manager | Ohio |
| 67 | Esther Dennison | 36 | Wife | Clerk | Indiana |
| 68 | Clyde Jr. Dennison | 15 | Son | Clerk | Ohio |
| 69 | Barbara-Joann Dennison | 8 | Daughter | — | Ohio |
| 70 | Lester Schultz | 43 | Head | Salesman | Ohio |
| 71 | Marie Schultz | 39 | Wife | Housework | Ohio |
| 72 | Lester Jr. Schultz | 15 | Son | New-Worker | Ohio |
| 73 | Charles Uren | 19 | Head | Laborer | Ohio |
| 74 | Evelyn Uren | 17 | Wife | Housework | Ohio |
| 75 | John Van Le | 83 | Head | Retired | Ohio |
| 76 | Bertha Van Le | 80 | Wife | Housework | Ohio |
| 77 | Hope Pearce | 37 | Head | Bookkeeper | Ohio |
| 78 | V. June Pearce | 35 | Sister | Bank-Teller | Ohio |
| 79 | John G. Dwyer | 66 | Head | Machinist | Ohio |
| 80 | Lorena Dwyer | 46 | Wife | Stenographer | Ohio |
Related Census Records
Pedigree Summary
Mary + 3 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)