NT
Nancy Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mahoning-County, Ohio
Our Model Tree links this Nancy Thomas across the 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahoning-County, Ohio |
| Surname | Thomas |
| Given Name | Nancy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Trumbell |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Youngstown |
| Est. Birth Year | ~1925 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Nancy | Age | Birth yr |
|---|---|---|---|---|
| Nancy Thomas | Daughter | — | 15 | ~1925 |
| William Hunt | Son | — | 24 | ~1916 |
| James Thomas | Son | — | 4 | ~1936 |
| Robert Thomas | Son | — | 13 | ~1927 |
| Josephine Thomas | Head | — | 44 | ~1896 |
| William Jones | Other | — | 34 | ~1906 |
| Margaret Thomas | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Mahoning, Ohio
Daughter, age 6
Mahoning, Ohio · implied b. ~1924 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Nancy S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Mahoning-County, Ohio
Daughter, age 15
Mahoning-County, Ohio · implied b. ~1925 — 7 household members
| Surname | Thomas |
| Given Name | Nancy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Trumbell |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Ohio |
| 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 Nancy Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Nancy Thomas
Daughter · 1940 · age 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
James Thomas
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Thomas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Thomas
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hunt
Sibling · 1940 · age 24
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
38 people indexed on this census page (nara:1940:m-t0627-03267-00285)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hazel Scheier | 49 | Mother-in-law | — | Illinois |
| 42 | Hazel Ostroski | 19 | Sister-in-law | — | Ohio |
| 43 | Joseph Ostroski | 0 | Nephew | — | Ohio |
| 46 | Floyd W. Peterson | 39 | Head | Scarving | Pennsylvania |
| 47 | Blodwen Peterson | 39 | Wife | — | Pennsylvania |
| 48 | Alexander Bihlman | 58 | Head | Inspector | Pennsylvania |
| 49 | Isabell Bihlman | 73 | Wife | — | Pennsylvania |
| 50 | Edward Corcoran | 24 | Grandson | Assembler | Pennsylvania |
| 51 | David Palfy | 63 | Head | Dipper | Rumania |
| 52 | Rose Palfy | 44 | Wife | Seamstress | Rumania |
| 53 | George Bertlett | 22 | Stepson | Ash Hauler | Ohio |
| 54 | William Summers | 26 | Stepson-in-law | Truck Driver | Ohio |
| 55 | Rose Summers | 20 | Daughter | — | Ohio |
| 56 | Jacquline Summers | 0 | Granddaughter | — | Ohio |
| 57 | James Byres | 24 | Head | Truck Driver | Pennsylvania |
| 58 | Tillie Byres | 55 | Mother | — | Pennsylvania |
| 59 | James Byres | 54 | Father | Drayman | Pennsylvania |
| 60 | Norman Byres | 24 | Brother | Drayman | Pennsylvania |
| 61 | James Mccutcheon | 74 | Lodger | — | Pennsylvania |
| 62 | George W. Thompson | 78 | Head | — | Pennsylvania |
| 63 | Adeline Thompson | 67 | Wife | — | Pennsylvania |
| 64 | Sylvia Thompson | 48 | Daughter | — | Pennsylvania |
| 65 | Effie Mcneish | 53 | Daughter | — | Pennsylvania |
| 66 | Wilfred Mcneish | 22 | Grandson | Laborer | Pennsylvania |
| 67 | Weltha Mcneish | 13 | Daughter | — | Pennsylvania |
| 68 | Pansy Walsh | 33 | Daughter | — | Pennsylvania |
| 69 | Deville Walsh | 18 | Grandson | Laborer | Pennsylvania |
| 70 | Devore Walsh | 17 | Grandson | New Worker | Pennsylvania |
| 71 | Glenn Walsh | 15 | Grandson | New Worker | Pennsylvania |
| 72 | Betty Walsh | 13 | Daughter | — | Ohio |
| 73 | Josephine Thomas | 44 | Head | — | Ohio |
| 74 | William Hunt | 24 | Son | Film Editor | Ohio |
| 75 | Nancy Thomas THIS PERSON | 15 | Daughter | — | Ohio |
| 76 | Robert Thomas | 13 | Son | — | Ohio |
| 77 | Margaret Thomas | 11 | Daughter | — | Ohio |
| 78 | James Thomas | 4 | Son | — | Ohio |
| 79 | William Jones | 34 | Brother | Brakeman | Ohio |
| 80 | "Noble ""Chas""" Connor | 39 | Head | Mechanic | Ohio |
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)