MC
Mary Cline — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Maryland
Our Model Tree links this Mary Cline across the 1930 and 1940 US Censuses in Washington-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Maryland |
| Surname | Cline |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Housekeeper |
| Industry | Own Home |
| Highest Grade | G 8 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Housekeeper |
| Township / Ward | Downsville |
| Est. Birth Year | ~1922 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thelma Cline | Daughter | — | 14 | ~1926 |
| Richard Cline | Son | — | 9 | ~1931 |
| William Cline | Son | — | 11 | ~1929 |
| Harry Cline | Head | — | 40 | ~1900 |
| Mary Cline | Daughter | — | 18 | ~1922 |
| Junior Cline | Son | — | 13 | ~1927 |
| Jessie Cline | Daughter | — | 15 | ~1925 |
| Stella Cline | Spouse | — | 45 | ~1895 |
| Harry Cline | Son | — | 16 | ~1924 |
Census Appearances
1930
Washington, Maryland
Daughter, age 9
Washington, Maryland · implied b. ~1921 — 5 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 | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Washington-County, Maryland
Daughter, age 18
Washington-County, Maryland · implied b. ~1922 — 9 household members
| Surname | Cline |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | Washington |
| Occupation | Housekeeper |
| Industry | Own Home |
| Highest Grade | G 8 |
| 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 Mary Cline across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cline
Daughter · 1940 · age 18 · b. ~1922 · Maryland
★ You are viewing this record
Sibling
Junior Cline
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Cline
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Cline
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Cline
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Cline
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Cline
Sibling · 1940 · age 14
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 — 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-t0627-01562-00674)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John W. Delanter | 20 | Son | Farmer | Maryland |
| 2 | Murray Delanter | 19 | Son | Newworker | Maryland |
| 3 | Catherine Delanter | 18 | Daughter | Housekeeper | Maryland |
| 4 | Charles Delanter | 15 | Son | Farmer | Maryland |
| 5 | David Delanter | 11 | Son | — | Maryland |
| 6 | Bessie Delanter | 9 | Daughter | — | Maryland |
| 7 | Joe Delanter | 6 | Son | — | Maryland |
| 8 | Walter Raymond Baker | 60 | Head | Laborer | Pennsylvania |
| 9 | Bell Baker | 60 | Wife | — | Maryland |
| 10 | Aubrey J. Waffensmith | 7 | Grandson | — | Maryland |
| 11 | Clarence Russell Baker | 20 | Grandson | — | Maryland |
| 12 | Russell Dick | 31 | Head | Farmer | Maryland |
| 13 | Ruby G. Dick | 24 | Wife | Housekeeper | Maryland |
| 14 | Richard L. Dick | 6 | Son | — | Maryland |
| 15 | Charles E. Dick | 3 | Son | — | Maryland |
| 16 | Lewis Clow | 51 | Head | Farmer | Maryland |
| 17 | Margaret E. Clow | 51 | Wife | Housekeeper | Maryland |
| 18 | Lawrence Clow | 12 | Son | — | Maryland |
| 19 | Harry Cline | 40 | Head | Quarryman | Maryland |
| 20 | Stella Cline | 45 | Wife | Housekeeper | Maryland |
| 21 | Mary Cline THIS PERSON | 18 | Daughter | Housekeeper | Maryland |
| 22 | Harry J. Cline | 16 | Son | — | Maryland |
| 23 | Jessie Cline | 15 | Daughter | — | Maryland |
| 24 | Junior Cline | 13 | Son | — | Maryland |
| 25 | Thelma Cline | 14 | Daughter | — | Maryland |
| 26 | William Cline | 11 | Son | — | Maryland |
| 27 | Richard Cline | 9 | Son | — | Maryland |
| 28 | Alvey Marshall | 40 | Head | Farmer | Maryland |
| 29 | Lola Marshall | 34 | Wife | Housekeeper | Maryland |
| 30 | Doris Marshall | 16 | Daughter | — | Maryland |
| 31 | Nelda Marshall | 11 | Daughter | — | Maryland |
| 32 | Kay Marshall | 1 | Daughter | — | Maryland |
| 33 | Wesley Cline | 28 | Head | Farmer | Maryland |
| 34 | Pearl Cline | 24 | Wife | Housekeeper | Maryland |
| 35 | Joseph C. Artz | 42 | Head | Farmer | Maryland |
| 36 | Minnie V. Artz | 40 | Wife | Housekeeper | Maryland |
| 37 | Joseph C. Jr. Artz | 17 | Son | Farmer | Maryland |
| 38 | Lucille F. Artz | 16 | Daughter | — | Maryland |
| 39 | Leona Artz | 12 | Daughter | — | Maryland |
| 40 | James E. Artz | 9 | Son | — | 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)