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Margaret Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this Margaret Thompson across the 1910, 1920, 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 4-person household.
Age 63
b. ~1877
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Thompson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Ross Twp |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same H |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Ross Twp |
| Est. Birth Year | ~1877 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Ethel Thompson | Daughter | — | 25 | ~1915 |
| Connie Thompson | Head | — | 63 | ~1877 |
| Lizzell Thompson | Son | — | 30 | ~1910 |
| Margaret Thompson | Spouse | — | 63 | ~1877 |
Census Appearances
1910
Butler, Ohio
Spouse, age 33
Butler, Ohio · implied b. ~1877 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ohio |
| Years Married | 6 |
| Children Born | 3 |
| Children Living | 3 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Butler, Ohio
Spouse, age 42
Butler, Ohio · implied b. ~1878 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Margaret S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Butler, Ohio
Spouse, age 53
Butler, Ohio · implied b. ~1877 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 26 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Home Owned/Rented | 16000 |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Butler-County, Ohio
Spouse, age 63
Butler-County, Ohio · implied b. ~1877 — 4 household members
| Surname | Thompson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Ross Twp |
| 1935 Residence (County) | Butler |
| Highest Grade | No 4 |
| 1935 Residence | Same H |
| 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 Margaret Thompson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Thompson
Spouse · 1940 · age 63 · b. ~1877 · Ohio
★ 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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03035-00838)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charlotte Garrison | 35 | Wife | — | Ohio |
| 42 | Floyd Garrison | 20 | Hired hand | Farm | Ohio |
| 43 | Leroy Myers | 40 | Head | Laborer | Ohio |
| 44 | Margaret Myers | 31 | Wife | House Work | Ohio |
| 45 | Connie Thompson | 63 | Head | Farmer | Ohio |
| 46 | Margaret Thompson THIS PERSON | 63 | Wife | — | Ohio |
| 47 | Lizzell E Thompson | 30 | Son | Farm | Ohio |
| 48 | Ethel T Thompson | 25 | Daughter | Secretary | Ohio |
| 49 | Wm Moeller | 45 | Head | Farmer | Ohio |
| 50 | Alma Moeller | 45 | Wife | — | Ohio |
| 51 | Robert Clark | 29 | Boarder | Switch Board Operator | Ohio |
| 52 | Ruth Clark | 27 | Daughter | — | Illinois |
| 53 | Floyd Lohr | 26 | Head | Farmer | Ohio |
| 54 | Audrey Lohr | 25 | Wife | — | Ohio |
| 55 | Donald Lohr | 5 | Son | — | Ohio |
| 56 | Judith Lohr | 3 | Daughter | — | Ohio |
| 57 | Ralph E Engel | 35 | Head | Farmer | Ohio |
| 58 | Katherine G Engel | 23 | Wife | — | Ohio |
| 59 | Barbara Ann Engel | 1 | Daughter | — | Ohio |
| 60 | Marie Engel | 42 | Head | Teacher | Ohio |
| 61 | Wilhelmina Engel | 74 | Mother | — | Illinois |
| 62 | Fred Engel | 41 | Brother | Farmer | Ohio |
| 63 | Adolph J Engel | 45 | Head | Truck Driver | Ohio |
| 64 | Lillian Engel | 41 | Wife | — | Ohio |
| 65 | Robert Engel | 18 | Son | National G | Ohio |
| 66 | Richard Engel | 17 | Son | — | Ohio |
| 67 | Clarence Engel | 15 | Son | — | Ohio |
| 68 | Edna Mae Engel | 13 | Daughter | — | Ohio |
| 69 | Mary Jean Engel | 11 | Daughter | — | Ohio |
| 70 | Joan Ann Engel | 7 | Daughter | — | Ohio |
| 71 | John A Engel | 5 | Son | — | Ohio |
| 72 | George Engel | 72 | Head | Farmer | Ohio |
| 73 | Thomas R Mckay | 64 | Head | Farmer | Ohio |
| 74 | Elena E Mckay | 52 | Wife | — | Mississippi |
| 75 | Anna Maria Mckay | 25 | Daughter | Farm | Ohio |
| 76 | Vernon Mckay | 23 | Son | — | Ohio |
| 77 | Earl W Mckay | 17 | Son | — | Ohio |
| 78 | Carle Rice | 21 | Niece | New Yorker | Mississippi |
| 79 | Chester R Mckay | 63 | Head | Farmer | Ohio |
| 80 | Henry H Mckay | 51 | Brother | Farmer | 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)