JD
James Dougherty — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this James Dougherty across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | Dougherty |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Gary |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Gary |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Madge Dougherty | Daughter | — | 8 | ~1932 |
| Kathleen Dougherty | Daughter | — | 4 | ~1936 |
| Ann Dougherty | Daughter | — | 10 | ~1930 |
| Andrew Dougherty | Head | — | 37 | ~1903 |
| James Dougherty | Son | — | 12 | ~1928 |
| Jack Dougherty | Son | — | 14 | ~1926 |
| Andrew Dougherty | Son | — | 1 | ~1939 |
| Marguerite Dougherty | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Lake, Indiana
Son, age 3
Lake, Indiana · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daugherty |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ohio |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Lake-County, Indiana
Son, age 12
Lake-County, Indiana · implied b. ~1928 — 8 household members
| Surname | Dougherty |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Gary |
| 1935 Residence (County) | Lake |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Dougherty across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dougherty
Son · 1940 · age 12 · b. ~1928 · Indiana
★ You are viewing this record
Sibling
Madge Dougherty
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Dougherty
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Dougherty
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Dougherty
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Dougherty
Sibling · 1940 · age 1
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, Indiana
Open full size
1940 US Federal Census — Lake-County, Indiana
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01119-00965)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Walter G. Dodds | 50 | Head | Order Expediter | Indiana |
| 3 | Helen Dodds | 47 | Wife | — | Indiana |
| 4 | William Wall | 52 | Head | Conductor | Illinois |
| 5 | Mae E. Wall | 52 | Wife | — | Illinois |
| 6 | John W. Wall | 28 | Son | Switchman | Illinois |
| 7 | Arthur J. Wall | 25 | Son | Switchman | Illinois |
| 8 | Doris R. Wall | 17 | Daughter | — | Illinois |
| 9 | Sophie L. Wall | 24 | Daughter | — | Illinois |
| 10 | Patricia Ann Wall | 5 | Daughter | — | Illinois |
| 12 | Francis G. Costin | 64 | Head | Shearman | Kansas |
| 13 | Margaret A. Costin | 58 | Wife | — | Iowa |
| 14 | Maurice L. Joly | 37 | Head | Clerk | Canada-French |
| 15 | Verona E. Joly | 33 | Wife | — | Kentucky |
| 16 | Joan Joly | 6 | Daughter | — | Indiana |
| 17 | Maureen Joly | 4 | Daughter | — | Indiana |
| 18 | Frank Kapking | 40 | Head | Chief Engineer | Illinois |
| 19 | Ida L. Kapking | 35 | Wife | — | Illinois |
| 20 | Mildred Kapking | 16 | Daughter | — | Illinois |
| 21 | Frank Kapking | 11 | Son | — | Indiana |
| 22 | Ronald Kapking | 8 | Son | — | Indiana |
| 23 | Richard Mccallion | 27 | Head | Lubricating Engineer | Ohio |
| 24 | D. N. Evans | 29 | Lodger | Lubricating Engineer | Wisconsin |
| 25 | Clemens Lundgren | 23 | Lodger | Electrical Engineer | Pennsylvania |
| 26 | Karl Peters | 30 | Lodger | Lubricating Engineer | New York |
| 27 | Claude Dierdorf | 27 | Lodger | Metallurgist | Indiana |
| 28 | Andre H. Briese | 26 | Lodger | Assistant Supervisor | England |
| 29 | Richard Smith | 26 | Lodger | Metallurgist | Indiana |
| 30 | Henry B. Waulland | 29 | Lodger | Lubricating Engineer | Indiana |
| 31 | Emmell Cody | 27 | Lodger | Lubricating Engineer | Indiana |
| 32 | Andrew Dougherty | 37 | Head | Proprietor | New York |
| 33 | Marguerite Dougherty | 34 | Wife | — | Ohio |
| 34 | Jack Dougherty | 14 | Son | — | Indiana |
| 35 | James Dougherty THIS PERSON | 12 | Son | — | Indiana |
| 36 | Ann Dougherty | 10 | Daughter | — | Indiana |
| 37 | Madge Dougherty | 8 | Daughter | — | Indiana |
| 38 | Kathleen Dougherty | 4 | Daughter | — | Indiana |
| 39 | Andrew Dougherty | 1 | Son | — | Indiana |
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)