WF
William Frost — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fayette-County, Pennsylvania
Our Model Tree links this William Frost across the 1930 and 1940 US Censuses in Fayette-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, Pennsylvania |
| Surname | Frost |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Menallen Twp. |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Occupation | Helper |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 48 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Helper |
| Township / Ward | Menallen Twp |
| Est. Birth Year | ~1921 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Nancy Frost | Daughter | — | 2 | ~1938 |
| Lynn Frost | Son | — | 17 | ~1923 |
| Ruth Frost | Spouse | — | 44 | ~1896 |
| Leslie Frost | Son | — | 21 | ~1919 |
| Wallace Frost | Son | — | 9 | ~1931 |
| B Frost | Son | — | 4 | ~1936 |
| Donald Frost | Son | — | 7 | ~1933 |
| Ruth Frost | Daughter | — | 12 | ~1928 |
| William Frost | Son | — | 19 | ~1921 |
| James Frost | Head | — | 51 | ~1889 |
Census Appearances
1930
Fayette, Pennsylvania
Son, age 8
Fayette, Pennsylvania · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frost |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Fayette-County, Pennsylvania
Son, age 19
Fayette-County, Pennsylvania · implied b. ~1921 — 10 household members
| Surname | Frost |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Menallen Twp. |
| 1935 Residence (County) | Fayette |
| Occupation | Helper |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 48 |
| Highest Grade | Hs 2 |
| 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 William Frost across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Frost
Son · 1940 · age 19 · b. ~1921 · Pennsylvania
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Sibling
Leslie Frost
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Frost
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Frost
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Frost
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lynn Frost
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
B Frost
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wallace Frost
Sibling · 1940 · age 9
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 — Fayette-County, Pennsylvania
Open full size
1940 US Federal Census — Fayette-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03505-00602)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eastman Roberts | 78 | Head | Farmer | Pennsylvania |
| 2 | Blanche Roberts | 53 | Daughter | — | Pennsylvania |
| 3 | Mary E. Matthews | 15 | Daughter | — | Pennsylvania |
| 4 | Harriet Phillips | 77 | Head | — | Pennsylvania |
| 5 | Grace Phillips | 55 | Daughter | — | Pennsylvania |
| 6 | Hazel Phillips | 47 | Daughter | Grade Teacher | Pennsylvania |
| 7 | Herman Phillips | 44 | Son | Laborer | Pennsylvania |
| 8 | James Frost | 51 | Head | Coal Loader | Pennsylvania |
| 9 | Ruth Frost | 44 | Wife | — | Pennsylvania |
| 10 | Leslie Frost | 21 | Son | Reforestation | Pennsylvania |
| 11 | William Frost THIS PERSON | 19 | Son | Helper | Pennsylvania |
| 12 | Lynn Frost | 17 | Son | New Worker | Pennsylvania |
| 13 | Ruth Mae Frost | 12 | Daughter | — | Pennsylvania |
| 14 | Wallace Frost | 9 | Son | — | Pennsylvania |
| 15 | Donald Frost | 7 | Son | — | Pennsylvania |
| 16 | B. D. Frost | 4 | Son | — | Pennsylvania |
| 17 | Nancy Ann Frost | 2 | Daughter | — | Pennsylvania |
| 18 | Olen Phillips | 33 | Head | Laborer | Pennsylvania |
| 19 | Inez Phillips | 32 | Wife | — | Pennsylvania |
| 20 | Harriet Phillips | 15 | Daughter | — | Pennsylvania |
| 21 | Viola Phillips | 12 | Daughter | — | Pennsylvania |
| 22 | Alfred Frost | 70 | Head | — | Pennsylvania |
| 23 | Katherine Frost | 76 | Wife | — | Pennsylvania |
| 24 | Nancy Ellen Frost | 75 | Head | — | Pennsylvania |
| 25 | Ray Mcclelland | 55 | Head | Coal Loader | Pennsylvania |
| 26 | Lou Mcclelland | 51 | Wife | — | Pennsylvania |
| 27 | Wilbur Mcclelland | 17 | Son | New Worker | Pennsylvania |
| 28 | Anna Urbany | 30 | Head | Seamstress | Pennsylvania |
| 29 | John Jr. Urbany | 10 | Son | — | Pennsylvania |
| 30 | Donald Urbany | 6 | Son | — | Pennsylvania |
| 31 | Charles Frost | 64 | Head | — | Pennsylvania |
| 32 | Jennie Frost | 54 | Wife | — | Pennsylvania |
| 33 | Alfred Frost | 36 | Son | Coal Loader | Pennsylvania |
| 34 | — | None | — | — | — |
| 35 | Leslie Hess | 60 | Head | Carpenter | Pennsylvania |
| 36 | Lucy Hess | 59 | Wife | — | Pennsylvania |
| 37 | Todd C. Hess | 35 | Son | Farm At Home | Pennsylvania |
| 38 | Paul C. Hess | 25 | Son | Coal Loader | Pennsylvania |
| 39 | Geo B Mccann | 35 | Head | Trucker | Pennsylvania |
| 40 | Imogene Mccann | 34 | Wife | — | Pennsylvania |
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)