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William Cummings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this William Cummings across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Cummings |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sharpsburg Borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | New Worker |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Sharpsburg Borough |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Catherine Cummings | Daughter | — | 14 | ~1926 |
| John Pierner | Son | — | 7 | ~1933 |
| Jean Pierner | Daughter | — | 12 | ~1928 |
| Leona Pierner | Spouse | — | 39 | ~1901 |
| William Cummings | Son | — | 19 | ~1921 |
| Peter Pierner | Head | — | 46 | ~1894 |
| Harry Cummings | Son | — | 11 | ~1929 |
| Eileen Pierner | Daughter | — | 17 | ~1923 |
| Edward Pierner | Son | — | 20 | ~1920 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 8
Allegheny, Pennsylvania · implied b. ~1922 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| 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 |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 19
Allegheny-County, Pennsylvania · implied b. ~1921 — 9 household members
| Surname | Cummings |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sharpsburg Borough |
| 1935 Residence (County) | Allegheny |
| Occupation | New Worker |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 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 Cummings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Cummings
Son · 1940 · age 19 · b. ~1921 · Pennsylvania
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Sibling
Edward Pierner
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Pierner
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Cummings
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Pierner
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Pierner
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Cummings
Sibling · 1940 · age 11
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
40 people indexed on this census page (nara:1940:m-t0627-03417-00498)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Imelia Narlett | 47 | Head | Janitress | Pennsylvania |
| 2 | Emil Narlett | 29 | Son | Time Keeper | Pennsylvania |
| 3 | Anne Narlett | 25 | Daughter-in-law | — | Pennsylvania |
| 4 | William Anderson | 33 | Boarder | — | Pennsylvania |
| 5 | Mary J. Hughes | 59 | Head | — | Pennsylvania |
| 6 | Agnes C. Hughes | 39 | Daughter | General Office Clerk | Pennsylvania |
| 7 | Anthony Hughes | 24 | Son | Teacher | Pennsylvania |
| 8 | Agnes C. Adams | 50 | Head | Servant | Pennsylvania |
| 9 | Robert Clendenny | 55 | Lodger | Tree Pruner | Pennsylvania |
| 10 | Mary A. Dignan | 51 | Sister | — | Pennsylvania |
| 11 | Katherine Dignan | 45 | Sister | Supervisor | Pennsylvania |
| 12 | Charles Smith | 57 | Head | Attendant | Pennsylvania |
| 13 | Bertha Smith | 54 | Wife | — | Pennsylvania |
| 14 | Donald Smith | 32 | Son | Labourer | Pennsylvania |
| 15 | Marion Smith | 29 | Daughter | Teacher | Pennsylvania |
| 16 | Florence Smith | 27 | Daughter | New Worker | Pennsylvania |
| 17 | Frank Smith | 23 | Son | Weigh Boy | Pennsylvania |
| 18 | Betty J. Smith | 22 | Daughter | Billing Clerk | Pennsylvania |
| 19 | Ninda A. Smith | 3 | Daughter | — | Pennsylvania |
| 20 | Peter J. Pierner | 46 | Head | Printer | Pennsylvania |
| 21 | Leona Pierner | 39 | Wife | — | Pennsylvania |
| 22 | Edward Pierner | 20 | Son | Office Clerk | Pennsylvania |
| 23 | Eileen Pierner | 17 | Daughter | Packer | Pennsylvania |
| 24 | Jean Pierner | 12 | Daughter | — | Pennsylvania |
| 25 | John Pierner | 7 | Son | — | Pennsylvania |
| 26 | William Cummings THIS PERSON | 19 | Son | New Worker | Pennsylvania |
| 27 | Catherine Cummings | 14 | Daughter | — | Pennsylvania |
| 28 | Harry Cummings | 11 | Son | — | Pennsylvania |
| 29 | Fred Flinn | 55 | Head | Huckster | Pennsylvania |
| 30 | Marcella Flinn | 52 | Wife | — | Pennsylvania |
| 31 | George Mcclure | 49 | Head | Labourer | Pennsylvania |
| 32 | George Jr. Mcclure | 20 | Son | New Worker | Pennsylvania |
| 33 | June Mcclure | 16 | Daughter | — | Pennsylvania |
| 34 | Ralph Mcclure | 15 | Son | — | Pennsylvania |
| 35 | Patrick Mcclure | 13 | Son | — | Pennsylvania |
| 36 | William Mcclure | 12 | Son | — | Pennsylvania |
| 37 | Grace Mcclure | 11 | Daughter | — | Pennsylvania |
| 38 | Ralph H. Ray | 64 | Father-in-law | Labourer | Pennsylvania |
| 39 | Minnie Ray | 58 | Mother-in-law | — | Pennsylvania |
| 40 | Albert J. Zell | 55 | Head | Engineer | 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)