MC
Mary Clifford — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Erie-County, New York
Our Model Tree links this Mary Clifford across the 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Clifford |
| Given Name | Mary Rose |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Occupation | Private Secretary |
| Industry | Real Estate Co |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 800 |
| Highest Grade | C 1 |
| 1935 Residence | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Private Secretary |
| Township / Ward | Kenmore Village |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Mary Clifford | Daughter | — | 23 | ~1917 |
| Betty Clifford | Daughter | — | 19 | ~1921 |
| Paul Clifford | Head | — | 48 | ~1892 |
| Jean Clifford | Daughter | — | 21 | ~1919 |
| Ruth Clifford | Daughter | — | 17 | ~1923 |
| Rose Clifford | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Erie, New …
Daughter, age 13
Erie, New York · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clifford |
| Given Name | Mary Rose |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Erie-County, New …
Daughter, age 23
Erie-County, New York · implied b. ~1917 — 6 household members
| Surname | Clifford |
| Given Name | Mary Rose |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo |
| 1935 Residence (County) | Erie |
| Occupation | Private Secretary |
| Industry | Real Estate Co |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 800 |
| Highest Grade | C 1 |
| 1935 Residence | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Clifford across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Clifford
Daughter · 1940 · age 23 · b. ~1917 · New York
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Sibling
Jean Clifford
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Clifford
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Clifford
Sibling · 1940 · age 17
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 — Erie-County, New York
Open full size
1940 US Federal Census — Erie-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02531-00438)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Stephanson | 41 | Head | Heating Engineer | England |
| 2 | Gladys Stephanson | 41 | Wife | — | England |
| 3 | Carl Rapp | 43 | Head | Superintendent | New York |
| 4 | Elizabeth Rapp | 40 | Wife | — | Pennsylvania |
| 5 | Valera Rapp | 19 | Daughter | — | New York |
| 6 | Mary Jane Rapp | 15 | Daughter | — | New York |
| 7 | Lawrence Pinkel | 50 | Head | Salesman | New York |
| 8 | Anna Pinkel | 48 | Wife | — | Canada-English |
| 9 | Catherine Pinkel | 25 | Daughter | Stenographer | New York |
| 10 | Loretta Pinkel | 21 | Daughter | Stenographer | Canada-English |
| 11 | Lawrence Pinkel | 18 | Son | — | New York |
| 12 | Donald Pinkel | 13 | Son | — | New York |
| 13 | Thomas Pinkel | 10 | Son | — | New York |
| 14 | Eileen Pinkel | 7 | Daughter | — | New York |
| 15 | William Pinkel | 48 | Brother | Agent U.S. | New York |
| 16 | Thomas Stamp | 63 | Head | President | New York |
| 17 | Gertrude Stamp | 39 | Daughter | Teacher | New York |
| 18 | Maude Davidson | 55 | Housekeeper | Housekeeper | Pennsylvania |
| 19 | David Mclellan | 34 | Head | Used Car Manager | Scotland |
| 20 | Irene Mclellan | 32 | Wife | — | New York |
| 21 | Paul Mclellan | 13 | Son | — | New York |
| 22 | Lee Hillardson | 30 | Head | Meteorologist | Utah |
| 23 | Rosetta Hillardson | 27 | Wife | — | Montana |
| 24 | Linda Hillardson | 1 | Daughter | — | New York |
| 25 | William Lipperley | 46 | Head | Desk Lieutenant | Pennsylvania |
| 26 | Clara Lipperley | 39 | Wife | — | New York |
| 27 | William Lipperley | 14 | Son | — | New York |
| 28 | Paul T. Clifford | 48 | Head | Rehabilitation Assistant | Pennsylvania |
| 29 | Rose B. Clifford | 48 | Wife | — | New York |
| 30 | Mary Rose Clifford THIS PERSON | 23 | Daughter | Private Secretary | New York |
| 31 | Jean Clifford | 21 | Daughter | Private Secretary | New York |
| 32 | Betty Clifford | 19 | Daughter | Private Secretary | New York |
| 33 | Ruth Clifford | 17 | Daughter | — | New York |
| 34 | Howard Gilda | 44 | Head | Assistant Sales Manager | Ohio |
| 35 | Gladys Gilda | 37 | Wife | — | Illinois |
| 36 | Raymond Briggs | 33 | Head | Sales Engineer | New York |
| 37 | Dorothy Briggs | 32 | Wife | — | New York |
| 38 | Lee V. Didinger | 33 | Head | Sales Manager | New York |
| 39 | Sarah E. Didinger | 33 | Wife | — | New York |
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)