MK
Mary Kline — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Summit-County, Ohio
Our Model Tree links this Mary Kline across the 1930 and 1940 US Censuses in Summit-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Summit-County, Ohio |
| Surname | Kline |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Akron |
| 1935 Residence (County) | Summit |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | S 5 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Northampton T |
| Est. Birth Year | ~1927 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Lappin | Other | — | 64 | ~1876 |
| Jesse Kline | Head | — | 43 | ~1897 |
| Mary Kline | Daughter | — | 13 | ~1927 |
| Marie Kline | Spouse | — | 37 | ~1903 |
| Kenneth Kline | Son | — | 12 | ~1928 |
| Ruth Kline | Daughter | — | 8 | ~1932 |
| Elwood Kline | Son | — | 10 | ~1930 |
Census Appearances
1930
Summit, Ohio
Daughter, age 3
Summit, Ohio · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kline |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Summit-County, Ohio
Daughter, age 13
Summit-County, Ohio · implied b. ~1927 — 7 household members
| Surname | Kline |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Akron |
| 1935 Residence (County) | Summit |
| Income (1939) | 0 |
| Highest Grade | S 5 |
| 1935 Residence | Ohio |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kline
Daughter · 1940 · age 13 · b. ~1927 · Ohio
★ You are viewing this record
Sibling
Ruth Kline
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Kline
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elwood Kline
Sibling · 1940 · age 10
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 — Summit-County, Ohio
Open full size
1940 US Federal Census — Summit-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03154-00220)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Wellen | 16 | daughter | — | Ohio |
| 2 | John Deemer | 53 | head | Machinist | Pennsylvania |
| 3 | Helen Deemer | 31 | wife | — | West Virginia |
| 4 | Polly Deemer | 10 | daughter | — | Ohio |
| 5 | Ralph Deemer | 6 | son | — | Ohio |
| 6 | James Deemer | 1 | son | — | Ohio |
| 7 | Louis Bognar | 55 | head | Farmer | Hungary |
| 8 | Katherine Bognar | 44 | wife | — | Yugoslavia |
| 9 | Dayton Corp | 54 | head | Bus Driver | Ohio |
| 10 | Edith D. Corp | 55 | wife | — | Ohio |
| 11 | Ralph Lance | 41 | head | Laborer | Ohio |
| 12 | Elizabeth Lance | 38 | wife | — | Ohio |
| 13 | Dale Lance | 14 | son | — | Ohio |
| 14 | Richard Underwood | 73 | head | Farmer | Ireland |
| 15 | Carrie Underwood | 69 | wife | — | Ireland |
| 16 | John Crabtree | 34 | head | Shop Foreman | Virginia |
| 17 | Getha Crabtree | 31 | wife | — | Pennsylvania |
| 18 | Rita Crabtree | 10 | daughter | — | Ohio |
| 19 | Dale Crabtree | 4 | son | — | Ohio |
| 20 | Frank Haidnick | 45 | head | Repairman | Yugoslavia |
| 21 | Mary Haidnick | 38 | wife | — | Yugoslavia |
| 22 | Dorothy Haidnick | 12 | daughter | — | Ohio |
| 23 | Rita Haidnick | 9 | daughter | — | Ohio |
| 24 | Frances Haidnick | 3 | daughter | — | Ohio |
| 25 | George Bowman | 31 | head | Solderer | Pennsylvania |
| 26 | Jessie Bowman | 26 | wife | — | Ohio |
| 27 | Beverly Bowman | 5 | daughter | — | Ohio |
| 28 | Jimmy Bowman | 2 | son | — | Ohio |
| 29 | Raymond Firm | 35 | head | Laborer | Ohio |
| 30 | Barbara Firm | 30 | wife | — | New Jersey |
| 31 | David Firm | 9 | son | — | Ohio |
| 32 | Melchior Firm | 5 | son | — | Ohio |
| 33 | Jesse Kline | 43 | head | Tire Builder | Ohio |
| 34 | Marie Kline | 37 | wife | — | Ohio |
| 35 | Mary Kline THIS PERSON | 13 | daughter | — | Ohio |
| 36 | Kenneth Kline | 12 | son | — | Ohio |
| 37 | Elwood Kline | 10 | son | — | Ohio |
| 38 | Ruth Kline | 8 | daughter | — | Ohio |
| 39 | Mary Lappin | 64 | mother-in-law | Nurse | Ohio |
| 40 | Annie Bender | 67 | head | — | Pennsylvania |
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)