JK
John Kline — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Maryland
Our Model Tree links this John Kline across the 1930 and 1940 US Censuses in Washington-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1899), then head of a 10-person household.
Age 41
b. ~1899
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Maryland |
| Surname | Kline |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Farm Hand |
| Class of Worker | PW |
| Hours Worked | 66 |
| Income (1939) | 300 |
| Highest Grade | No 5 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farm Hand |
| Township / Ward | Election District 141 |
| Est. Birth Year | ~1899 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Grayson Kline | Son | — | 12 | ~1928 |
| Clarence Kline | Son | — | 1 | ~1939 |
| Daniel Kline | Son | — | 7 | ~1933 |
| Kenneth Kline | Son | — | 14 | ~1926 |
| Donald Kline | Son | — | 15 | ~1925 |
| Daisy Kline | Spouse | — | 36 | ~1904 |
| John Kline | Head | — | 41 | ~1899 |
| Mable Kline | Daughter | — | 3 | ~1937 |
| John Kline | Son | — | 10 | ~1930 |
| Martha Kline | Daughter | — | 6 | ~1934 |
Census Appearances
1930
Washington, Maryland
Head, age 31
Washington, Maryland · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kline |
| Given Name | John R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Washington-County, Maryland
Head, age 41
Washington-County, Maryland · implied b. ~1899 — 10 household members
| Surname | Kline |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick |
| 1935 Residence (County) | Frederick |
| Occupation | Farm Hand |
| Class of Worker | PW |
| Hours Worked | 66 |
| Income (1939) | 300 |
| Highest Grade | No 5 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 John Kline across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kline
Head · 1940 · age 41 · b. ~1899 · Maryland
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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 — Washington-County, Maryland
Open full size
1940 US Federal Census — Washington-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01562-00481)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carrol V. Pryor | 31 | Head | General Work | Maryland |
| 42 | Lillian S. Pryor | 18 | Wife | — | Maryland |
| 43 | Hugh R. Beard | 38 | Head | General Work | Maryland |
| 44 | Edna T. Beard | 35 | Wife | — | Maryland |
| 45 | Mary G. Beard | 17 | Daughter | — | Maryland |
| 46 | Mahlon H. Miller | 68 | Head | Blacksmith | Maryland |
| 47 | Mary E. Miller | 60 | Wife | — | Maryland |
| 48 | Harry G. Miller | 22 | Son | General Work | Maryland |
| 49 | Margurite G. Miller | 18 | Wife | — | Pennsylvania |
| 50 | Howard G. Noble | 69 | Head | Clerk | Pennsylvania |
| 51 | Maud E. Noble | 55 | Sister | — | Pennsylvania |
| 52 | George R. Codori | 48 | Head | Machinist | Maryland |
| 53 | Myrtle S. Codori | 42 | Wife | — | Pennsylvania |
| 54 | Bettie G. Codori | 16 | Daughter | — | Maryland |
| 55 | Richard E. Codori | 4 | Son | — | Pennsylvania |
| 56 | Marshall H. Stottlemyer | 34 | Head | General Work | Maryland |
| 57 | Alice P. Stottlemyer | 25 | Wife | — | Maryland |
| 58 | John W. Law | 51 | Head | — | Maryland |
| 59 | Rosa S. Law | 47 | Wife | — | Maryland |
| 60 | Phyllis J. Law | 12 | Daughter | — | Maryland |
| 61 | Elmer M. Palmer | 69 | Head | 45 | Maryland |
| 62 | John C. Brown | 24 | Son-in-law | 75 | Pennsylvania |
| 63 | Miriam D. Brown | 25 | Daughter | — | Maryland |
| 64 | John R. Kline THIS PERSON | 41 | Head | Farm Hand | Maryland |
| 65 | Daisy O. Kline | 36 | Wife | — | Maryland |
| 66 | Kenneth D. Kline | 14 | Son | General Work | Maryland |
| 67 | Donald B. Kline | 15 | Son | General Work | Maryland |
| 68 | Grayson W. Kline | 12 | Son | — | Maryland |
| 69 | John G. Kline | 10 | Son | — | Maryland |
| 70 | Daniel J. Kline | 7 | Son | — | Maryland |
| 71 | Martha M. Kline | 6 | Daughter | — | Maryland |
| 72 | Mable R. Kline | 3 | Daughter | — | Maryland |
| 73 | Clarence E. Kline | 1 | Son | — | Maryland |
| 74 | Howard Leathers | 28 | Head | Farmer | Maryland |
| 75 | Margaret E. Leathers | 27 | Wife | — | Maryland |
| 76 | Phyllis E. Leathers | 6 | Daughter | — | Maryland |
| 77 | Elwood H. Leathers | 1 | Son | — | Maryland |
| 78 | Laura B. Law | 70 | Head | — | Maryland |
| 79 | Fannie M. Leathers | 73 | Head | — | Maryland |
| 80 | Ida M. Darby | 68 | Lodger | Housework | Maryland |
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)