LS
Lydia Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Logan-County, Ohio
Our Model Tree links this Lydia Smith across the 1930 and 1940 US Censuses in Logan-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 8-person household.
Age 49
b. ~1891
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Logan-County, Ohio |
| Surname | Smith |
| Given Name | Lydia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Bloomfield Township |
| 1935 Residence (County) | Logan |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Bloomfield Township |
| Est. Birth Year | ~1891 |
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 Lydia | Age | Birth yr |
|---|---|---|---|---|
| Edith Smith | Daughter | — | 15 | ~1925 |
| Ruth Smith | Daughter | — | 11 | ~1929 |
| Wanda Smith | Daughter | — | 20 | ~1920 |
| Wilma Smith | Daughter | — | 19 | ~1921 |
| Hamer Smith | Head | — | 52 | ~1888 |
| Warren Smith | Son | — | 18 | ~1922 |
| Max Smith | Son | — | 9 | ~1931 |
| Lydia Smith | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Logan, Ohio
Spouse, age 38
Logan, Ohio · implied b. ~1892 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lydia E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 26 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Logan-County, Ohio
Spouse, age 49
Logan-County, Ohio · implied b. ~1891 — 8 household members
| Surname | Smith |
| Given Name | Lydia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Bloomfield Township |
| 1935 Residence (County) | Logan |
| Highest Grade | H-4 |
| 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 Lydia Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lydia Smith
Spouse · 1940 · age 49 · b. ~1891 · 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 — Logan-County, Ohio
Open full size
1940 US Federal Census — Logan-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03100-00013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Shirley Smith | 9 | Daughter | — | Ohio |
| 2 | Hamer Smith | 52 | Head | Owner Operator | Ohio |
| 3 | Lydia Smith THIS PERSON | 49 | Wife | — | Ohio |
| 4 | Wanda Smith | 20 | Daughter | Maid | Ohio |
| 5 | Wilma Smith | 19 | Daughter | Maid | Ohio |
| 6 | Warren Smith | 18 | Son | Assistant Operator | Ohio |
| 7 | Edith Dell Smith | 15 | Daughter | — | Ohio |
| 8 | Ruth Smith | 11 | Daughter | — | Ohio |
| 9 | Max Smith | 9 | Son | — | Ohio |
| 10 | Lucy Moury | 66 | Head | — | Ohio |
| 11 | Edwin Moury | 29 | Son | Farmer | Ohio |
| 12 | William Hill | 69 | Head | Owner Operator | Ohio |
| 13 | Clara Hill | 66 | Wife | — | Ohio |
| 14 | Orlando Sherer | 55 | Head | Owner Operator | Ohio |
| 15 | Flossie Sherer | 54 | Wife | — | Ohio |
| 16 | William Sherer | 30 | Son | Assistant Operator | Ohio |
| 17 | Marion Sherer | 13 | Son | — | Ohio |
| 18 | Ivan Clayton | 50 | Head | Owner Operator | Ohio |
| 19 | Hazel Clayton | 49 | Wife | — | Ohio |
| 20 | Wayne Clayton | 23 | Son | Assistant Operator | Ohio |
| 21 | Louise Clayton | 19 | Daughter | Working For Mother | Ohio |
| 22 | Charles Magier | 54 | Head | Tenant Operator | Kentucky |
| 23 | Lizzie Magier | 54 | Wife | — | Kentucky |
| 24 | Ocie Magier | 19 | Daughter | Resident Project | Ohio |
| 25 | Paul Stewart | 35 | Head | Owner Operator | Ohio |
| 26 | Deloris Stewart | 31 | Wife | — | Ohio |
| 27 | Roger Hubbell | 12 | Nephew | Chore | Ohio |
| 28 | William Wones | 68 | Head | Owner Operator | Ohio |
| 29 | Caroline Wones | 68 | Wife | — | Ohio |
| 30 | John Weber | 76 | Brother-in-law | — | Ohio |
| 31 | Carl Keith | 27 | Head | Tenant Operator | Ohio |
| 32 | Sarah Keith | 27 | Wife | — | Ohio |
| 33 | Golda Keith | 3 | Daughter | — | Ohio |
| 34 | Carolyn Keith | 1 | Daughter | — | Ohio |
| 35 | Berton Combell | 67 | Head | Labor | Ohio |
| 36 | Christina Combell | 68 | Wife | — | Ohio |
| 37 | Raymond Miller | 50 | Head | Owner Operator | Ohio |
| 38 | Sena Miller | 48 | Wife | — | Ohio |
| 39 | Homer Miller | 22 | Son | Electric Welder | Ohio |
| 40 | George Sherer | 66 | Head | Owner Operator | 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)