JL
James Lindsay — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mahoning-County, Ohio
Our Model Tree links this James Lindsay across the 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahoning-County, Ohio |
| Surname | Lindsay |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Campbell |
| 1935 Residence (County) | Mahoning |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | New Worker |
| Township / Ward | Youngstown |
| Est. Birth Year | ~1923 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Joseph Lindsay | Head | — | 50 | ~1890 |
| Lillian Lindsay | Daughter | — | 15 | ~1925 |
| Lalance Lindsay | Son | — | 19 | ~1921 |
| Alice Lindsay | Spouse | — | 40 | ~1900 |
| Donald Lindsay | Son | — | 4 | ~1936 |
| John Froman | Other | — | 74 | ~1866 |
| Gertrude Lindsay | Daughter | — | 21 | ~1919 |
| James Lindsay | Son | — | 17 | ~1923 |
| Avalon Lindsay | Daughter | — | 10 | ~1930 |
| Katherine Lindsay | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Mahoning, Ohio
Son, age 7
Mahoning, Ohio · implied b. ~1923 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lindsay |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Mahoning-County, Ohio
Son, age 17
Mahoning-County, Ohio · implied b. ~1923 — 10 household members
| Surname | Lindsay |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Campbell |
| 1935 Residence (County) | Mahoning |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | No 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 James Lindsay across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Lindsay
Son · 1940 · age 17 · b. ~1923 · Ohio
★ You are viewing this record
Sibling
Lalance Lindsay
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Lindsay
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Lindsay
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Lindsay
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Avalon Lindsay
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Lindsay
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 — 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-t0627-03270-00565)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth James | 17 | Daughter | — | Ohio |
| 42 | Jane James | 15 | Daughter | — | Ohio |
| 43 | Fred James | 6 | Son | — | Ohio |
| 44 | Joseph Lindsay | 50 | Head | Laborer | Pennsylvania |
| 45 | Alice Lindsay | 40 | Wife | — | Ohio |
| 46 | Gertrude Lindsay | 21 | Daughter | House Keeper | Ohio |
| 47 | Lalance Lindsay | 19 | Son | Traffic Boy | Ohio |
| 48 | James Lindsay THIS PERSON | 17 | Son | New Worker | Ohio |
| 49 | Lillian Lindsay | 15 | Daughter | — | Ohio |
| 50 | Katherine Lindsay | 12 | Daughter | — | Ohio |
| 51 | Avalon Lindsay | 10 | Daughter | — | Ohio |
| 52 | Donald Lindsay | 4 | Son | — | Ohio |
| 53 | John Froman | 74 | Lodger | Broom Maker | Ohio |
| 54 | Steve Markulin | 29 | Head | Stationery Engineer | Pennsylvania |
| 55 | Olwen Markulin | 21 | Wife | — | Pennsylvania |
| 56 | Charles Hartman | 38 | Head | Laborer | Ohio |
| 57 | Laverne Hartman | 24 | Wife | — | Ohio |
| 58 | Edward Hartman | 2 | Son | — | Ohio |
| 59 | Loretta Hartman | 1 | Daughter | — | Ohio |
| 60 | Nathan Cole | 23 | Head | Truck Driver | Ohio |
| 61 | Mary D. Cole | 20 | Wife | — | Ohio |
| 62 | Aubrey Hamilton | 47 | Head | Office Clerk | Ohio |
| 63 | Margaret Hamilton | 47 | Wife | — | Pennsylvania |
| 64 | Delbert Hamilton | 23 | Son | Budget Control Man | Ohio |
| 65 | Paul Hamilton | 17 | Son | — | Ohio |
| 66 | Leone Hamilton | 70 | Head | — | Ohio |
| 67 | Howard Decamp | 12 | Lodger | — | Ohio |
| 68 | George Wagner | 76 | Head | Carpenter | Ohio |
| 69 | Mary D. Wagner | 60 | Wife | — | Pennsylvania |
| 70 | Myrtle Wukeman | 42 | Head | — | Ohio |
| 71 | Clarence Wukeman | 24 | Son | Office Clerk | Ohio |
| 72 | Ray Wukeman | 20 | Son | Orderly | Ohio |
| 73 | Fern Wukeman | 16 | Daughter | — | Ohio |
| 74 | Marjorie Wukeman | 11 | Daughter | — | Ohio |
| 75 | — | None | — | — | — |
| 76 | Mary E. Evans | 71 | Head | — | Ohio |
| 77 | Ann M. Beeder | 45 | Daughter | Office Clerk | Ohio |
| 78 | Lois Ann Beeder | 16 | Daughter | — | Ohio |
| 79 | Mary E. Evans | 40 | Daughter | Credit Clerk | Ohio |
| 80 | Harry Majid | 46 | Head | Manager | Russia |
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)