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William Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this William Kelly across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & Morseda — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Kelly |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh (City) |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | secretary |
| Industry | Allis-Chalmers Transformer |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Secretary |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1915 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Kelly | Daughter | — | 39 | ~1901 |
| Bertha Kelly | Head | — | 62 | ~1878 |
| William Kelly | Son | — | 25 | ~1915 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | William F Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Germany |
| Mother Tongue | German |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lehigh, Pennsylvania
Son, age 15
Lehigh, Pennsylvania · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keely |
| Given Name | William F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 3 household members
| Surname | Kelly |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh (City) |
| 1935 Residence (County) | Allegheny |
| Occupation | secretary |
| Industry | Allis-Chalmers Transformer |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Kelly across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father William Keely (~0.92 confidence) and mother Morseda Keely (~0.92 confidence) and father William Kelly (~0.92 confidence) and mother Bertha Kelly (~0.92 confidence) and mother Bertha Kelly (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Keely
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Morseda Keely
b. ~1897
Source mother
● Household
· direct · ~0.92
Father
William Kelly
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Bertha Kelly
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Bertha Kelly
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Kelly
Son · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Gertrude Kelly
Sibling · 1940 · age 39
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-t0627-03675-00421)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Angelo C. Cavell | 29 | Head | Waiter | Pennsylvania |
| 42 | Elizabeth Cavell | 29 | Wife | Psychologist | Pennsylvania |
| 43 | Elizabeth Cavell | 2 | Daughter | — | Pennsylvania |
| 44 | Bertha T. Kelly | 62 | Head | — | Germany |
| 45 | Gertrude A. Kelly | 39 | Daughter | Stenographer | Pennsylvania |
| 46 | William F. Kelly THIS PERSON | 25 | Son | Secretary | Pennsylvania |
| 47 | Bertha Mccartney | 51 | Head | — | Pennsylvania |
| 48 | Howard G. Mccartney | 23 | Son | Secretary Clerk | Pennsylvania |
| 49 | Lillian Jean Mccartney | 19 | Daughter | — | Pennsylvania |
| 50 | Ernest Ehler | 27 | Head | Baker | Pennsylvania |
| 51 | Helen Ehler | 26 | Wife | — | Pennsylvania |
| 52 | Stanley Ehler | 1 | Son | 0 | Pennsylvania |
| 53 | Frank W. Schratz | 53 | Head | Special Agent | Pennsylvania |
| 54 | Marie P. Schratz | 48 | Wife | — | Pennsylvania |
| 55 | Frank W. Schratz | 26 | Son | Claim Agent | Pennsylvania |
| 56 | Paul R. Schratz | 24 | Son | Mechanical Engineer | Pennsylvania |
| 57 | Robert K. Schratz | 23 | Son | Mechanical Engineering | Pennsylvania |
| 58 | Marian Schratz | 15 | Daughter | — | Pennsylvania |
| 59 | Alice Schratz | 15 | Daughter | — | Pennsylvania |
| 60 | John Schratz | 9 | Son | — | Pennsylvania |
| 61 | William Hargett | 62 | Head | Officer | Wales |
| 62 | Emily Hargett | 62 | Wife | — | Wales |
| 63 | Mary Schaffnit | 60 | Head | — | Pennsylvania |
| 64 | Howard Schaffnit | 28 | Son | Executive | Pennsylvania |
| 65 | Eleanor Schaffnit | 25 | Daughter-in-law | — | Pennsylvania |
| 66 | Carol Schaffnit | 1 | Granddaughter | 0 | Pennsylvania |
| 67 | Charles Schaffnit | 20 | Son | Stock Boy | Pennsylvania |
| 68 | William Dittis | 43 | Head | Renting Manager | Pennsylvania |
| 69 | Marie E. Dittis | 36 | Wife | — | Pennsylvania |
| 70 | Cyrus C. Moyer | 52 | Head | Attorney-At-Law | Pennsylvania |
| 71 | Lillian R. Moyer | 52 | Wife | — | Pennsylvania |
| 72 | John P. Moyer | 17 | Son | — | Pennsylvania |
| 73 | Lillian B. Moyer | 15 | Daughter | — | Pennsylvania |
| 74 | William C. Moyer | 12 | Son | — | Pennsylvania |
| 75 | Cara E. Evelyn Moyer | 9 | Daughter | — | Pennsylvania |
| 76 | Charles W. Achenbach | 28 | Head | Salesman | Pennsylvania |
| 77 | Marian Achenbach | 26 | Wife | — | Pennsylvania |
| 78 | Blanche B. Achenbach | 50 | Mother-in-law | Bookkeeper | Pennsylvania |
| 79 | Frederick M. Pritchard | 43 | Head | Mechanic | Wales |
| 80 | Anna Pritchard | 39 | Wife | — | Pennsylvania |
Pedigree Summary
William + 1 sibling
Gen 1 · 5 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)