WA
William Abbott — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this William Abbott across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Florence & Charles — first a son (b.~1917), then head of a 2-person household.
Age 23
b. ~1917
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Abbott |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mt. Lebanon |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Clerk |
| Industry | Music Store |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1040 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Mt Lebanon |
| 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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Florence Abbott | Spouse | — | 58 | ~1882 |
| William Abbott | Son | — | 23 | ~1917 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Abbot |
| Given Name | William S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Abbott |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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 23
Allegheny-County, Pennsylvania · implied b. ~1917 — 2 household members
| Surname | Abbott |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mt. Lebanon |
| 1935 Residence (County) | Allegheny |
| Occupation | Clerk |
| Industry | Music Store |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1040 |
| Highest Grade | H-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 William Abbott across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Florence Abbott (~0.92 confidence) and father Charles Abbot (~0.92 confidence) and mother Florence Abbot (~0.92 confidence) and father Elmer Abbott (~0.92 confidence) and mother Margaret Abbott (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Florence Abbott
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Charles Abbot
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Florence Abbot
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Elmer Abbott
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Margaret Abbott
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Abbott
Son · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
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-t0627-03411-00401)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Florence Abbott | 58 | Wife | Clerk | Pennsylvania |
| 42 | William Abbott THIS PERSON | 23 | Son | Clerk | Pennsylvania |
| 43 | End Of Block | None | — | — | — |
| 44 | George Miller | 34 | Head | Gas Engineer | West Virginia |
| 45 | Adeline H. Miller | 33 | Wife | — | Alabama |
| 46 | Edmond Miller | 6 | Son | — | Pennsylvania |
| 47 | Le Roy Uhrich | 44 | Head | Sales Rep. | Pennsylvania |
| 48 | Mabel D. Uhrich | 33 | Wife | — | Pennsylvania |
| 49 | Richard Uhrich | 8 | Son | — | Pennsylvania |
| 50 | Stephen Steinecke | 45 | Head | Investment | Pennsylvania |
| 51 | Delores Steinecke | 37 | Wife | — | Pennsylvania |
| 52 | Dolores G. Steinecke | 27 | Daughter | Stenographer | Pennsylvania |
| 53 | John Low | 50 | Head | Asst. Sales Mgr. | Pennsylvania |
| 54 | Mildred Low | 53 | Wife | — | Pennsylvania |
| 55 | James Low | 19 | Son | — | Pennsylvania |
| 56 | Lois Ann Low | 13 | Daughter | — | Pennsylvania |
| 57 | Harry Mcmullen | 57 | Head | Lawyer | Pennsylvania |
| 58 | Mary D. Mcmullen | 57 | Wife | — | Massachusetts |
| 59 | Herbert Mcmullen | 29 | Son | Sales Spec. | Maryland |
| 60 | Barbara Mcmullen | 27 | Daughter | — | Maryland |
| 61 | Guy The Law | 57 | Head | Inspector | West Virginia |
| 62 | Alpha The Law | 46 | Wife | — | Pennsylvania |
| 63 | Richard The Law | 18 | Son | — | Pennsylvania |
| 64 | Ruth The Law | 35 | Sister | Nurse | Pennsylvania |
| 65 | End Of Block | None | — | — | — |
| 66 | Edw. L. Fisher | 32 | Head | Paper Broker | Ohio |
| 67 | Virginia D. Fisher | 30 | Wife | — | Pennsylvania |
| 68 | Jon Fisher | None | Son | — | Pennsylvania |
| 69 | Bernice Mclaughlan | 50 | Head | Salesman | Pittsburgh |
| 70 | Edgar Mcafee | 60 | Head | Asst. Mgr. | Pennsylvania |
| 71 | Ida Mcafee | 60 | Wife | — | Pennsylvania |
| 72 | Neil Aunnett | 65 | Head | Spec. Sales | Pennsylvania |
| 73 | W. B. Moat | 53 | Head | Consulting Engineer | Germany |
| 74 | Carrie Moat | 50 | Wife | — | New York |
| 75 | William Richie | 26 | Head | Metallurgist | Michigan |
| 76 | Lois Richie | 25 | Wife | — | Michigan |
| 77 | John F. Kinsley | 52 | Head | Pres. Agt. | Ohio |
| 78 | Edna Kinsley | 57 | Wife | — | Ohio |
| 79 | Frank E. Gray | 38 | Head | Steel Broker | Ohio |
| 80 | Cora Gray | 37 | Wife | — | Ohio |
Pedigree Summary
William
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)