JL
John Linn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this John Linn across the 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 6-person household.
Age 10
b. ~1930
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Linn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Monclova Township |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Monclova Township |
| Est. Birth Year | ~1930 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Linn | Son | — | 5 | ~1935 |
| Jeanne Linn | Daughter | — | 8 | ~1932 |
| James Linn | Head | — | 49 | ~1891 |
| Bernice Linn | Spouse | — | 44 | ~1896 |
| Martin Linn | Son | — | 22 | ~1918 |
| John Linn | Son | — | 10 | ~1930 |
Census Appearances
1930
Lucas, Ohio
Son, age 1
Lucas, Ohio · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Linn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Son, age 10
Lucas-County, Ohio · implied b. ~1930 — 6 household members
| Surname | Linn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Monclova Township |
| 1935 Residence (County) | Lucas |
| Class of Worker | 0 |
| Highest Grade | No 3 |
| 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 John Linn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Linn
Son · 1940 · age 10 · b. ~1930 · Ohio
★ You are viewing this record
Sibling
James Linn
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanne Linn
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Linn
Sibling · 1940 · age 22
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 — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03105-00372)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emma Bunda | 59 | Wife | — | Canada |
| 42 | Robert Bunda | 17 | Son | — | Ohio |
| 43 | Robert Jr. Nietz | 25 | Head | Laborer | Ohio |
| 44 | Lillian Nietz | 22 | Wife | — | Ohio |
| 46 | James L. Linn | 49 | Head | Engineer | Ohio |
| 47 | Bernice Linn | 44 | Wife | — | Ohio |
| 48 | Martin Linn | 22 | Son | Operator | Ohio |
| 49 | John Linn THIS PERSON | 10 | Son | — | Ohio |
| 50 | Jeanne Linn | 8 | Daughter | — | Ohio |
| 51 | James J. Jr. Linn | 5 | Son | — | Ohio |
| 52 | Wilbur Williamson | 35 | Head | Driller | Ohio |
| 53 | Mabel Williamson | 31 | Wife | — | Ohio |
| 54 | Wilbur Jr. Williamson | 12 | Son | — | Ohio |
| 55 | Cheryl Williamson | 10 | Daughter | — | Ohio |
| 56 | Marilyn Williamson | 9 | Daughter | — | Ohio |
| 57 | Daryl Williamson | 6 | Son | — | Ohio |
| 58 | Charles Mahone | 59 | Head | Laborer | Pennsylvania |
| 59 | Clara Mahone | 45 | Wife | — | Ohio |
| 60 | Dorothy Mahone | 20 | Daughter | New Worker | Ohio |
| 62 | Faustin Solon | 46 | Head | Vice President | Ohio |
| 63 | Mary Solon | 42 | Wife | Operator | Nebraska |
| 64 | Faustin Jr. Solon | 23 | Son | Announcer | Ohio |
| 65 | William Solon | 15 | Son | Training | Ohio |
| 66 | William Pickens | 18 | Gardner | Gardner | Ohio |
| 67 | Ray Heller | 77 | Head | — | Ohio |
| 68 | Hazel Heller | 50 | Daughter | — | Ohio |
| 69 | Lloyd Strayer | 39 | Head | Truck Driver | Ohio |
| 70 | Jessie Strayer | 40 | Wife | Waitress | Scotland |
| 71 | Winfield Strayer | 35 | Head | Dealer | Ohio |
| 72 | Erma Strayer | 33 | Wife | — | Ohio |
| 73 | Jean Strayer | 13 | Daughter | — | Ohio |
| 74 | Lois Strayer | 11 | Daughter | — | Ohio |
| 75 | William Strayer | 73 | Head | Operator | Ohio |
| 76 | Clara Strayer | 73 | Wife | — | Indiana |
| 77 | Charles Mccarty | 24 | Head | Laborer | Vermont |
| 78 | Marie Mccarty | 21 | Wife | — | Ohio |
| 79 | Barbara Ann Mccarty | 2 | Daughter | — | Ohio |
| 80 | George Fowler | 48 | Lodger | Clergyman | 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)