LT
Louise Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mahoning-County, Ohio
Our Model Tree links this Louise Thomas across the 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Female
Daughter
Born: S. Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahoning-County, Ohio |
| Surname | Thomas |
| Given Name | Louise |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | N |
| Age | 21 |
| Marital Status | Single |
| Birthplace | S. Carolina |
| 1935 Residence (City) | Youngstown |
| 1935 Residence (County) | Mahoning |
| Additional Details | |
| Occupation | maid |
| Industry | private-Home |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 200 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birthplace (normalized) | s carolina |
| Occupation | Maid |
| Township / Ward | Youngstown |
| Est. Birth Year | ~1919 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louise | Age | Birth yr |
|---|---|---|---|---|
| Lilly Thomas | Daughter | — | 16 | ~1924 |
| James Thomas | Son | — | 14 | ~1926 |
| Hattie Thomas | Daughter | — | 17 | ~1923 |
| James Thomas | Head | — | 48 | ~1892 |
| Addie Thomas | Spouse | — | 40 | ~1900 |
| Ida Thomas | Daughter | — | 12 | ~1928 |
| Louise Thomas | Daughter | — | 21 | ~1919 |
| Elizabeth Thomas | Daughter | — | 20 | ~1920 |
| Gladys Thomas | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Mahoning, Ohio
Daughter, age 11
Mahoning, Ohio · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | S. Carolina |
| Father's Birthplace | S. Carolina |
| Mother's Birthplace | S. Carolina |
| Can Read/Write | Yes |
| Birthplace (normalized) | s carolina |
1940
Mahoning-County, Ohio
Daughter, age 21
Mahoning-County, Ohio · implied b. ~1919 — 9 household members
| Surname | Thomas |
| Given Name | Louise |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | N |
| Age | 21 |
| Marital Status | Single |
| Birthplace | S. Carolina |
| 1935 Residence (City) | Youngstown |
| 1935 Residence (County) | Mahoning |
| Occupation | maid |
| Industry | private-Home |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 200 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birthplace (normalized) | s carolina |
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 Louise Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louise Thomas
Daughter · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Lilly Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Thomas
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Thomas
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Thomas
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Thomas
Sibling · 1940 · age 10
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-t0627-03269-00571)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Williams | 65 | Head | Laborer | Georgia |
| 42 | Joseph F Anderson | 37 | Head | Fireman | Tenn. |
| 43 | Martha C Anderson | 50 | Wife | — | Alabama |
| 44 | Jessie Colbert | 44 | Head | — | Alabama |
| 45 | Enna C Colbert | 36 | Wife | — | Georgia |
| 46 | Herma G Colbert | 7 | daughter | — | Ohio |
| 47 | Jessie Colbert | 13 | daughter | — | Ohio |
| 48 | Jessie Colbert | 6 | son | — | Ohio |
| 49 | Enison J Colbert | 4 | son | — | Ohio |
| 50 | James B Thomas | 48 | Head | Fireman | S. Carolina |
| 51 | Addie Thomas | 40 | Wife | — | S. Carolina |
| 52 | Louise Thomas THIS PERSON | 21 | daughter | Maid | S. Carolina |
| 53 | Elizabeth Thomas | 20 | daughter | Maid | S. Carolina |
| 54 | Hattie Thomas | 17 | daughter | — | S. Carolina |
| 55 | Lilly M. Thomas | 16 | daughter | — | Ohio |
| 56 | James Jr Thomas | 14 | son | — | Ohio |
| 57 | Ida B Thomas | 12 | daughter | — | Ohio |
| 58 | Gladys Thomas | 10 | daughter | — | Ohio |
| 59 | Mildred Thomas | 39 | Head | House Work | Alabama |
| 60 | Anna M Thomas | 24 | daughter | Maid | S. Carolina |
| 61 | Alberta Thomas | 21 | daughter | Maid | S. Carolina |
| 62 | Harry R Thomas | 19 | son | Helper | Ohio |
| 63 | Consetta Thomas | 17 | daughter | — | Ohio |
| 64 | Almida M Thomas | 16 | daughter | — | Ohio |
| 65 | Nathaniel Thomas | 10 | son | — | Ohio |
| 66 | Mike Terletsky | 57 | Head | Driver | Austria |
| 67 | Anne Terletsky | 56 | Wife | — | Austria |
| 68 | Frankie Terletsky | 21 | son | Truck Driver | Ohio |
| 69 | Steve Terletsky | 20 | son | New Worker | Ohio |
| 70 | Peter Terletsky | 18 | son | New Worker | Ohio |
| 71 | Mike Terletsky | 15 | son | — | Ohio |
| 72 | Nick Terletsky | 13 | son | — | Ohio |
| 73 | Metro Terletsky | 10 | son | — | Ohio |
| 74 | William Terletsky | 9 | son | — | Ohio |
| 75 | Arnold Landers | 35 | son-in-law | Truck-Driver | Pennia |
| 76 | Mary Landers | 24 | daughter | — | Ohio |
| 77 | Arnold Jr Landers | 1 | gr-son | Same House | Ohio |
| 78 | John Serbel | 71 | Head | — | Croatia |
| 79 | Joseph M Serbel | 28 | son | Laborer | Ohio |
| 80 | Sophie V Serbel | 23 | daughter-in-law | — | 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)