RS
Roger Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Ohio
Our Model Tree links this Roger Smith across the 1930 and 1940 US Censuses in Lake-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Ohio |
| Surname | Smith |
| Given Name | Roger |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Willoughby Village |
| Est. Birth Year | ~1928 |
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 Roger | Age | Birth yr |
|---|---|---|---|---|
| Roger Smith | Son | — | 12 | ~1928 |
| Charlotte Smith | Spouse | — | 40 | ~1900 |
| Alvin Smith | Son | — | 15 | ~1925 |
| Alvin Smith | Head | — | 49 | ~1891 |
| Gordon Smith | Son | — | 19 | ~1921 |
| Robert Smith | Son | — | 16 | ~1924 |
| Shirley Smith | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Lake, Ohio
Son, age 2
Lake, Ohio · implied b. ~1928
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Smith |
| Given Name | Roger |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lake-County, Ohio
Son, age 12
Lake-County, Ohio · implied b. ~1928 — 7 household members
| Surname | Smith |
| Given Name | Roger |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Highest Grade | 6 |
| 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 Roger Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Roger Smith
Son · 1940 · age 12 · b. ~1928 · Ohio
★ You are viewing this record
Sibling
Robert Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gordon Smith
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Smith
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alvin Smith
Sibling · 1940 · age 15
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 — Lake-County, Ohio
Open full size
1940 US Federal Census — Lake-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03094-00085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | L. William Daniels | 17 | Daughter | — | Ohio |
| 42 | Bennett Daniels | 15 | Son | — | Ohio |
| 43 | Gerhard Bayerl | 46 | Head | Scientist | Bavaria |
| 44 | Louise Bayerl | 43 | Wife | Public Health Nurse | Indiana |
| 45 | Rawland Thomas | 42 | Head | Department Head | Tennessee |
| 46 | Helen Thomas | 39 | Wife | — | Ohio |
| 47 | Jeana Thomas | 19 | Daughter | — | Ohio |
| 48 | Bruce H. Nichols | 40 | Head | Sub-Station Opertr | Ohio |
| 49 | Frances R. Nichols | 35 | Wife | — | New York |
| 50 | Richard H. Nichols | 6 | Son | — | Ohio |
| 51 | Nancy R. Nichols | 1 | Daughter | — | Ohio |
| 52 | Alvin Smith | 49 | Head | Decorator | West Virginia |
| 53 | Charlotte Smith | 40 | Wife | — | Ohio |
| 54 | Gordon Smith | 19 | Son | Painter | Ohio |
| 55 | Robert Smith | 16 | Son | — | Ohio |
| 56 | Alvin Jr. Smith | 15 | Son | — | Ohio |
| 57 | Roger Smith THIS PERSON | 12 | Son | — | Ohio |
| 58 | Shirley Smith | 7 | Daughter | — | Ohio |
| 59 | Herman G. Boers | 74 | Head | — | Germany |
| 60 | Louise Boers | 71 | Wife | — | Germany |
| 61 | Montrose Crawford | 36 | Daughter | — | Ohio |
| 62 | Donald Crawford | 17 | Grandson | — | Ohio |
| 63 | Beverly Crawford | 15 | Granddaughter | — | Ohio |
| 64 | Margaret B. Muir | 77 | Head | — | South Ireland |
| 65 | Mary Muir | 29 | Daughter | Secretary | Ohio |
| 66 | Francis Muir | 25 | Son | Coach | Ohio |
| 67 | Marian Muir | 23 | Daughter | Stenographer | Ohio |
| 68 | Percy Sharpe | 36 | Head | Pressman | England |
| 69 | Martha G. Sharpe | 37 | Wife | — | Germany |
| 70 | Amy Sharpe | 8 | Daughter | — | Ohio |
| 71 | Suzanne Sharpe | 5 | Daughter | — | Ohio |
| 72 | Joe Burgel | 40 | Head | Machinist | Ohio |
| 73 | Helen Burgel | 33 | Wife | — | Ohio |
| 74 | Daniel Burgel | 5 | Son | — | Ohio |
| 75 | Nellie Splitstone | 50 | Head | General Housework | Ohio |
| 76 | Emma Splitstone | 77 | Mother | — | Ohio |
| 77 | Albert Bishop | 30 | Head | Farm Hand | Ohio |
| 78 | Helen Bishop | 26 | Wife | — | Ohio |
| 79 | Albert Bishop | 2 | Son | — | Ohio |
| 80 | Rubie Smith | 27 | Lodger | Sponge Head | 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)