JG
James Gallagher — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this James Gallagher across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Gallagher |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | salesman |
| Industry | Auto Supply Co. |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 105 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Salesman |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1919 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| John Gallagher | Head | — | 49 | ~1891 |
| James Gallagher | Son | — | 21 | ~1919 |
| Mary Gallagher | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Marion, Indiana
Son, age 1
Marion, Indiana · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | James H |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 11
Marion, Indiana · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | James N |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 21
Marion-County, Indiana · implied b. ~1919 — 3 household members
| Surname | Gallagher |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | salesman |
| Industry | Auto Supply Co. |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 105 |
| Highest Grade | Hs 4 |
| 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 Gallagher across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Gallagher (~0.92 confidence) and father John Gallagher (~0.92 confidence) and father John Gallagher (~0.92 confidence) and mother Mary Gallagher (~0.92 confidence) and mother Mary Gallagher (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Gallagher
b. ~1891
Source father
● Household
· direct · ~0.92
Father
John Gallagher
b. ~1894
Source father
● Household
· direct · ~0.92
Father
John Gallagher
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Mary Gallagher
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Mary Gallagher
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Gallagher
Son · 1940 · age 21 · b. ~1919 · Indiana
★ 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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01127-00745)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Earl O. Robenson | 50 | Head | Clerk | Indiana |
| 42 | Edna M. Robenson | 46 | Wife | — | Indiana |
| 43 | William Dudley | 60 | Head | Paper Hanger | Indiana |
| 44 | Ada E. Dudley | 58 | Wife | Clerk | Indiana |
| 45 | Henry Simon | 61 | Head | Clerk | Indiana |
| 46 | Filomina Zenker | 52 | Lodger | — | Indiana |
| 47 | James H. Siemon | 14 | Son | Helper | Indiana |
| 48 | Mary Hammer | 66 | Head | — | Indiana |
| 49 | Ruth D. Vandergriff | 32 | Lodger | Inspector | Indiana |
| 50 | John W. Vandergriff | 18 | Lodger | Truck Driver | Indiana |
| 51 | Gladys Hardesty | 19 | Lodger | Delivery Boy | Indiana |
| 52 | John Gallagher | 49 | Head | Salesman | Indiana |
| 53 | Mary O. Gallagher | 46 | Wife | — | Indiana |
| 54 | James Gallagher THIS PERSON | 21 | Son | Salesman | Indiana |
| 55 | Lafayette Mccall | 41 | Head | Wire Chief | Ohio |
| 56 | Frances Mccall | 43 | Wife | — | Indiana |
| 57 | Harriet R. Mccall | 20 | Daughter | — | Indiana |
| 58 | Lafayette P. Mccall | 15 | Son | — | Indiana |
| 59 | Clara M. Mccall | 12 | Daughter | — | Indiana |
| 60 | Bert E. Hahn | 63 | Head | Butcher | Indiana |
| 61 | Tora Hahn | 55 | Wife | — | Indiana |
| 62 | Paul Hahn | 12 | Son | — | Indiana |
| 63 | William Hoff | 71 | Head | — | Indiana |
| 64 | Anna Hoff | 64 | Wife | — | Indiana |
| 65 | Ruth Hoff | 40 | Daughter | — | Indiana |
| 66 | Lester Quack | 24 | Head | Tool Maker | Indiana |
| 67 | Ruth Quack | 40 | Sister | — | Indiana |
| 68 | Doris Quack | 14 | Sister | — | Indiana |
| 69 | Deloris Quack | 10 | Sister | — | Indiana |
| 70 | Harry A. Tichnor | 62 | Head | Grinder | Indiana |
| 71 | Anna S. Tichnor | 65 | Wife | — | Indiana |
| 72 | G. Tiefenbrock | 40 | Head | Preacher | Indiana |
| 73 | Frieda S. Tiefenbrock | 40 | Wife | — | Indiana |
| 74 | James M. Tiefenbrock | 13 | Son | — | Indiana |
| 75 | Thomas P. Tiefenbrock | 12 | Son | — | Indiana |
| 76 | Walter S. Tiefenbrock | 10 | Son | — | Indiana |
| 77 | David E. Tiefenbrock | 5 | Son | — | Indiana |
| 78 | Here Begins Block 22 Here Ends Block 21 | None | — | — | — |
| 79 | Stella A. Harris | 69 | Head | — | Indiana |
| 80 | Ethyle Harris | 63 | Sister | — | Indiana |
Pedigree Summary
James
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)