AS
Alice Simpson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mahoning-County, Ohio
Our Model Tree links this Alice Simpson across the 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahoning-County, Ohio |
| Surname | Simpson |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Youngstown City |
| 1935 Residence (County) | Mahoning |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Youngstown City |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| William Martin | Other | — | 36 | ~1904 |
| James Simpson | Head | — | 44 | ~1896 |
| Irene Simpson | Daughter | — | 16 | ~1924 |
| Mae Simpson | Daughter | — | 20 | ~1920 |
| Alicia Simpson | Daughter | — | 17 | ~1923 |
| Alice Simpson | Daughter | — | 17 | ~1923 |
| Alice Simpson | Spouse | — | 52 | ~1888 |
| Isabelle Martin | Daughter | — | 31 | ~1909 |
Census Appearances
1930
Mahoning, Ohio
Daughter, age 7
Mahoning, Ohio · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Mahoning-County, Ohio
Daughter, age 17
Mahoning-County, Ohio · implied b. ~1923 — 8 household members
| Surname | Simpson |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Youngstown City |
| 1935 Residence (County) | Mahoning |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Alice Simpson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alice Simpson
Daughter · 1940 · age 17 · b. ~1923 · Ohio
★ You are viewing this record
Sibling
Mae Simpson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alicia Simpson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabelle Martin
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Simpson
Sibling · 1940 · age 16
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 — Mahoning-County, Ohio
Open full size
1940 US Federal Census — Mahoning-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03268-00738)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lee Callender | 46 | Head | Machinist | Ohio |
| 2 | Pearl Callender | 45 | Wife | — | Pennsylvania |
| 3 | Virginia Callender | 24 | Daughter | — | Pennsylvania |
| 4 | Lee Callender | 14 | Son | — | Pennsylvania |
| 5 | John W. Martin | 47 | Head | Schedule Clerk | Ohio |
| 6 | Margaret Martin | 37 | Wife | — | Pennsylvania |
| 7 | Thomas Martin | 15 | Son | — | Ohio |
| 8 | John Jr. Martin | 12 | Son | — | Ohio |
| 9 | Ralph Martin | 1 | Son | — | Ohio |
| 10 | Michael Hyland | 40 | Head | Rate Clerk | Ohio |
| 11 | Helen Hyland | 39 | Wife | — | Ohio |
| 12 | Lawrence Hyland | 10 | Son | — | Ohio |
| 13 | Mary Frank Hyland | 7 | Daughter | — | Ohio |
| 14 | Catherine Hyland | 42 | Sister | Telephone Opr. | Ohio |
| 15 | James Diffley | 67 | Head | — | Irish Free State |
| 16 | Ann Diffley | 61 | Wife | — | Irish Free State |
| 17 | James Diffley | 32 | Son | Apprentice For Development | Ohio |
| 18 | Mary Diffley | 30 | Daughter | Stenographer | Ohio |
| 19 | James A. Simpson | 44 | Head | Polisher Operator | Scotland |
| 20 | Alice Simpson | 52 | Wife | — | Scotland |
| 21 | Mae Simpson | 20 | Daughter | Secretary | Scotland |
| 22 | Alice Simpson THIS PERSON | 17 | Daughter | — | Ohio |
| 23 | Alicia Simpson | 17 | Daughter | — | Ohio |
| 24 | Irene Simpson | 16 | Daughter | — | Ohio |
| 25 | Isabelle Martin | 31 | Daughter | Chief Operator | Scotland |
| 26 | William M. Martin | 36 | Son-in-law | Elec. Lineman | Ohio |
| 27 | Tom L. Morgan | 40 | Head | Mixer Operator | Wales Eng. |
| 28 | Lily F. Morgan | 39 | Wife | — | Wales Eng. |
| 29 | John L. Morgan | 16 | Son | — | Wales Eng. |
| 30 | Thomas G. Morgan | 12 | Son | — | Ohio |
| 31 | Cyril Morgan | 10 | Son | — | Ohio |
| 32 | Frances E. Jackson | 76 | Head | — | England |
| 33 | Fred Guirato | 46 | Head | Truck Driver | Italy |
| 34 | Rose Guirato | 40 | Wife | — | Ohio |
| 35 | Gene Guirato | 17 | Son | Operator | Pennsylvania |
| 36 | Anthony Guirato | 12 | Son | — | Ohio |
| 37 | Thomas Jen James | 66 | Head | Janitor | Ohio |
| 38 | Sarah James | 70 | Wife | — | So. Wales Eng. |
| 39 | Joseph Kramer | 83 | Head | — | Switzerland |
| 40 | Marie Kramer | 79 | Wife | — | Switzerland |
Related Census Records
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)