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Mary White — 1940 US Census Record
Model Tree available1940 United States Federal Census · York-County, Pennsylvania
Our Model Tree links this Mary White across the 1920, 1930 and 1940 US Censuses in York-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Charles & Ida — first a daughter (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | York-County, Pennsylvania |
| Surname | White |
| Given Name | Mary M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | York City |
| 1935 Residence (County) | York |
| Additional Details | |
| Occupation | Clerk |
| Industry | Variety store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 550 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | York City |
| Est. Birth Year | ~1920 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth White | Daughter | — | 17 | ~1923 |
| Mary White | Daughter | — | 20 | ~1920 |
| Raymond White | Son | — | 21 | ~1919 |
| Marion White | Son | — | 28 | ~1912 |
| Ida White | Spouse | — | 51 | ~1889 |
Census Appearances
1920
York, Pennsylvania
Daughter, age
York, Pennsylvania · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | White |
| Given Name | Mary M. |
| 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 |
1930
York, Pennsylvania
Daughter, age 11
York, Pennsylvania · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | White |
| Given Name | Mary M |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
York-County, Pennsylvania
Daughter, age 20
York-County, Pennsylvania · implied b. ~1920 — 5 household members
| Surname | White |
| Given Name | Mary M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | York City |
| 1935 Residence (County) | York |
| Occupation | Clerk |
| Industry | Variety store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 550 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 White across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles White (~0.92 confidence) and mother Ida White (~0.92 confidence) and mother Ida White (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles White
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Ida White
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Ida White
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary White
Daughter · 1940 · age 20 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
Raymond White
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth White
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion White
Sibling · 1940 · age 28
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 — York-County, Pennsylvania
Open full size
1940 US Federal Census — York-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03645-00522)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ida E. White | 51 | wife | — | Pennsylvania |
| 42 | Marion G. White | 28 | son | Draftsman | Pennsylvania |
| 43 | Raymond White | 21 | son | Stock-Man | Pennsylvania |
| 44 | Mary M. White THIS PERSON | 20 | daughter | Clerk | Pennsylvania |
| 45 | Ruth R. White | 17 | daughter | — | Pennsylvania |
| 46 | — | None | — | — | — |
| 47 | Harry L. Lawson | 44 | head | Electric Welder | Pennsylvania |
| 48 | Hattie E. Lawson | 42 | wife | — | Pennsylvania |
| 49 | Daisy D. Schiding | 58 | head | — | Pennsylvania |
| 50 | Thella Schiding | 25 | daughter | — | Pennsylvania |
| 51 | Herman Plath | 20 | head | Cutter | Pennsylvania |
| 52 | Evelyn Plath | 23 | wife | Machinist | Pennsylvania |
| 53 | Randy Ray Plath | 1 | daughter | — | Pennsylvania |
| 54 | Peter S. Hoover | 67 | head | — | Pennsylvania |
| 55 | Eura Halterman | 43 | head | — | W. Virginia |
| 56 | Clarice Halterman | 26 | daughter | Seamstress | W. Virginia |
| 57 | John Halterman | 25 | son | Tool-Maker | W. Virginia |
| 58 | Elva Halterman | 23 | daughter | Hemmer | W. Virginia |
| 59 | Earl Halterman | 19 | son | Checker | W. Virginia |
| 60 | Ralph Halterman | 15 | son | Pin-Boy | W. Virginia |
| 61 | Sidney Halterman | 17 | son | — | W. Virginia |
| 62 | Loraine Halterman | 16 | daughter | — | W. Virginia |
| 63 | James B. Halterman | 15 | son | — | W. Virginia |
| 64 | Jo-Ann Johnson | 5 | Granddaughter | — | Pennsylvania |
| 65 | Lawrence Nicholas | 28 | head | Truck Driver | Pennsylvania |
| 66 | Dorothy E. Nicholas | 25 | wife | — | Pennsylvania |
| 67 | Patricia Ann Nicholas | 2 | daughter | — | Pennsylvania |
| 68 | Ida F. Thieling | 52 | head | — | Pennsylvania |
| 69 | Sarah Harris | 81 | mother | Feeder | Pennsylvania |
| 70 | Joseph Campbell | 63 | head | — | Pennsylvania |
| 71 | Laura Campbell | 44 | daughter | Laborer | Pennsylvania |
| 72 | Raymond Fiddler | 26 | grand-son | Examiner | Pennsylvania |
| 73 | June D. Fiddler | 21 | daughter-in-law | Laborer | Pennsylvania |
| 74 | Donna Fiddler | 2 | great-granddaughter | — | Pennsylvania |
| 75 | Robert Smith | 25 | head | — | Pennsylvania |
| 76 | Velma G. Smith | 19 | wife | Polisher | Pennsylvania |
| 77 | Robert Jr. Smith | 4 | son | — | Pennsylvania |
| 78 | Betty Jane Smith | 1 | daughter | — | Pennsylvania |
| 79 | John Coyers | 58 | lodger | Loader | Pennsylvania |
| 80 | Harvey Rohrbaugh | 60 | head | Stock Clerk | Pennsylvania |
Related Census Records
Pedigree Summary
Mary + 3 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)