AS
Ann Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Ann Smith across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 4-person household.
Age 60
b. ~1880
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Smith |
| Given Name | Ann H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Edgewood |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Pennsylvania |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Penn Twp |
| Est. Birth Year | ~1880 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ann | Age | Birth yr |
|---|---|---|---|---|
| Hector Smith | Head | — | 63 | ~1877 |
| Hector Smith | Son | — | 27 | ~1913 |
| Lucy Hunter | Other | — | 43 | ~1897 |
| Ann Smith | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 39
Allegheny, Pennsylvania · implied b. ~1881 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Annie |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1902 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1915 |
| Birthplace (normalized) | scotland |
1930
Allegheny, Pennsylvania
Other, age 49
Allegheny, Pennsylvania · implied b. ~1881 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Annie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 23 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Allegheny-County, Pennsylvania
Spouse, age 60
Allegheny-County, Pennsylvania · implied b. ~1880 — 4 household members
| Surname | Smith |
| Given Name | Ann H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Edgewood |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Pennsylvania |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Ann Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ann Smith
Spouse · 1940 · age 60 · b. ~1880 · Pennsylvania
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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-t0627-03414-00601)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hugh J. Ryan | 43 | Head | Advertising | Kentucky |
| 42 | Virginia N. Ryan | 33 | Wife | — | W. Virginia |
| 43 | Shana Lee Ryan | 4 | Daughter | — | Pennsylvania |
| 44 | Crawford J. Conrad | 34 | Head | Banker | Pennsylvania |
| 45 | Frances W. Conrad | 33 | Wife | — | Same place |
| 46 | James H. Conrad | 11 | Son | — | Pennsylvania |
| 47 | David S. Conrad | 8 | Son | — | Pennsylvania |
| 48 | Harry B. Conrad | 5 | Son | — | Pennsylvania |
| 49 | Michael, Mrs. Pietro | 38 | Head | Housekeeper | W. Virginia |
| 50 | Harold Sechrist | 37 | Head | Salesman | Pennsylvania |
| 51 | Anna Sechrist | 30 | Wife | Housekeeper | Pennsylvania |
| 52 | Alvin N. Mccluly | 33 | Head | Laborer | Pennsylvania |
| 53 | Mildred Mccluly | 33 | Wife | — | Pennsylvania |
| 54 | William Mccluly | 12 | Son | — | Pennsylvania |
| 55 | Roy Mccluly | 11 | Son | — | Pennsylvania |
| 56 | Donald Mccluly | 9 | Son | — | Pennsylvania |
| 57 | Dale Mccluly | 3 | Son | — | Pennsylvania |
| 58 | Charles Castle | 45 | Head | Clerk | Virginia |
| 59 | Madelyn Castle | 32 | Wife | — | W. Virginia |
| 60 | James K. Castle | 4 | Son | — | W. Virginia |
| 61 | James Wilson | 61 | Head | Locker Room | Ireland |
| 62 | Jessie Wilson | 55 | Wife | Locker Room | Scotland |
| 63 | Hector Smith | 63 | Head | — | Scotland |
| 64 | Ann H. Smith THIS PERSON | 60 | Wife | — | Scotland |
| 65 | Hector Smith | 27 | Son | Accounting | Pennsylvania |
| 66 | Lucy B. Hunter | 43 | Sister-in-law | Secretary | Scotland |
| 67 | W. Calvin Jr. Heil | 34 | Head | Bank Clerk | Pennsylvania |
| 68 | Lucille Heil | 34 | Wife | — | Pennsylvania |
| 69 | Charles Shellmer | 66 | Head | Plater | Pennsylvania |
| 70 | Idessa Shellmer | 48 | Wife | — | Pennsylvania |
| 71 | John J. Howe | 85 | Head | — | Pennsylvania |
| 72 | Anna Howe | 83 | Wife | — | Pennsylvania |
| 73 | Wanda Caldwell | 50 | Sister | — | Pennsylvania |
| 74 | Mae Caldwell | 47 | Sister | — | Pennsylvania |
| 75 | Robert N. Caldwell | 45 | Brother | Body Work | Pennsylvania |
| 76 | Joseph F. Stewart | 35 | Head | Foreman | Pennsylvania |
| 77 | Mary Stewart | 34 | Wife | — | Pennsylvania |
| 78 | Frederick Stewart | 9 | Son | — | Pennsylvania |
| 79 | James Stewart | 5 | Son | — | Pennsylvania |
| 80 | Donald Stewart | 5 | Son | — | 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)