MC
Mary Cline — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Cline across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Cline |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Stowe Township |
| Est. Birth Year | ~1930 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Patsy Cline | Daughter | — | 5 | ~1935 |
| Harry Cline | Son | — | 17 | ~1923 |
| Harry Cline | Head | — | 35 | ~1905 |
| James Cline | Son | — | 8 | ~1932 |
| Mary Cline | Spouse | — | 38 | ~1902 |
| Paul Cline | Son | — | 12 | ~1928 |
| Margaret Cline | Daughter | — | 2 | ~1938 |
| Mary Cline | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age
Allegheny, Pennsylvania · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cline |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 10
Allegheny-County, Pennsylvania · implied b. ~1930 — 8 household members
| Surname | Cline |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Highest Grade | 3 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 10 · b. ~1930 · Pennsylvania
★ You are viewing this record
Sibling
Patsy Cline
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Cline
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cline
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Cline
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Cline
Sibling · 1940 · age 2
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03418-00476)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert (X) Porter | 46 | Head | Electrician | Pennsylvania |
| 2 | Alice Porter | 44 | Wife | — | Pennsylvania |
| 3 | Herbert Jr. Porter | 17 | Son | — | Pennsylvania |
| 4 | David Thomas | 48 | Head | Proprietor | Pennsylvania |
| 5 | Alice (X) Thomas | 48 | Wife | — | Pennsylvania |
| 6 | Edna Thomas | 15 | Daughter | — | Pennsylvania |
| 7 | David Thomas | 14 | Son | — | Pennsylvania |
| 8 | Edward Patzeck | 30 | Head | Electrical Engineer | Pennsylvania |
| 9 | Frances (X) Patzeck | 29 | Wife | — | Pennsylvania |
| 10 | Edward Jr. Patzeck | 10 | Son | — | Pennsylvania |
| 11 | Matt Vargo | 60 | Head | Proprietor | Hungary |
| 12 | Matt Jr. Vargo | 23 | Son | Waiter | Pennsylvania |
| 13 | James Vargo | 21 | Son | — | Pennsylvania |
| 14 | Eva (X) Vargo | 19 | Daughter | — | Pennsylvania |
| 15 | Irene Yotnyak | 19 | Niece | — | Pennsylvania |
| 16 | George Smachalk | 41 | Head | Vender | Germany |
| 17 | Susan (X) Smachalk | 41 | Wife | — | Germany |
| 18 | George Smachalk | 21 | Son | Sorter | Pennsylvania |
| 19 | Josephine Smachalk | 17 | Daughter | — | Pennsylvania |
| 20 | Henry Smachalk | 13 | Son | — | Pennsylvania |
| 21 | Adam Frampton | 61 | Head | — | Pennsylvania |
| 22 | Lula (X) Frampton | 54 | Wife | — | Illinois |
| 23 | Dorothy Schmiley | 15 | Lodger | — | Pennsylvania |
| 24 | John Sapinsky | 27 | Head | Machinist | Pennsylvania |
| 25 | Mary (X) Sapinsky | 26 | Wife | — | Pennsylvania |
| 26 | Russel Sapinsky | 5 | Son | — | Pennsylvania |
| 27 | Nora (X) Pyle | 54 | Head | — | Ohio |
| 28 | Harry Riggle | 28 | Nephew | Packer | Ohio |
| 29 | Betty Stone | 14 | Granddaughter | — | Pennsylvania |
| 30 | Harry Cline | 35 | Head | River Pilot | Pennsylvania |
| 31 | Mary (X) Cline | 38 | Wife | — | Pennsylvania |
| 32 | Harry Cline | 17 | Son | — | Pennsylvania |
| 33 | Paul Cline | 12 | Son | — | Pennsylvania |
| 34 | Mary Lou Cline THIS PERSON | 10 | Daughter | — | Pennsylvania |
| 35 | James Cline | 8 | Son | — | Pennsylvania |
| 36 | Patsy Ann Cline | 5 | Daughter | — | Pennsylvania |
| 37 | Margaret Cline | 2 | Daughter | — | Pennsylvania |
| 38 | Mike Setowshak | 49 | Head | Laborer | Russia |
| 39 | Anna Setowshak | 44 | Wife (x) | Laborer | Russia |
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)