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Thomas Gallagher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Arapahoe-County, Colorado
Our Model Tree links this Thomas Gallagher across the 1910, 1920, 1930 and 1940 US Censuses in Arapahoe-County, Colorado (XGBoost, ~Confirmed) — first a head (b.~1858), then head of a 4-person household.
Age 82
b. ~1858
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Arapahoe-County, Colorado |
| Surname | Gallagher |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 82 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Arapahoe |
| 1935 Residence (County) | Arapahoe |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Farmer |
| Est. Birth Year | ~1858 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Kathryn Johnson | Daughter | — | 29 | ~1911 |
| Thomas Gallagher | Head | — | 82 | ~1858 |
| Delia Gallagher | Spouse | — | 76 | ~1864 |
| Roger Gallagher | Son | — | 17 | ~1923 |
Census Appearances
1910
Arapahoe, Colorado
Head, age 49
Arapahoe, Colorado · implied b. ~1861 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 13 |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Ranchman |
| Industry | Own Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Arapahoe, Colorado
Head, age 59
Arapahoe, Colorado · implied b. ~1861 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Arapahoe, Colorado
Head, age 71
Arapahoe, Colorado · implied b. ~1859 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 37 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Arapahoe-County, Colorado
Head, age 82
Arapahoe-County, Colorado · implied b. ~1858 — 4 household members
| Surname | Gallagher |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 82 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Arapahoe |
| 1935 Residence (County) | Arapahoe |
| Naturalization Status | Naturalized |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Thomas Gallagher across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Gallagher
Head · 1940 · age 82 · b. ~1858 · Colorado
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Arapahoe-County, Colorado
Open full size
1940 US Federal Census — Arapahoe-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00455-00698)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth E. Maclean | 16 | Daughter | New Worker | Colorado |
| 42 | Elizabeth J. Mason | 83 | Mother-in-law | — | Canada |
| 43 | C. E. Croft | 48 | Head | Farmer | Colorado |
| 44 | Clara May Croft | 45 | Wife | — | Colorado |
| 45 | Harry E. Croft | 16 | Son | New Worker | Colorado |
| 46 | Bert E. Croft | 14 | Son | New Worker | Colorado |
| 47 | Claude D. Gilmore | 37 | Head | Clerical | Missouri |
| 48 | Lucille D. Gilmore | 41 | Wife | — | Colorado |
| 49 | Daniel D. Gray | 35 | Head | Voucher Clerk | Iowa |
| 50 | Margaret Gray | 34 | Wife | — | Switzerland |
| 51 | Richard James Gray | 3 | Son | — | Colorado |
| 52 | Cecil R. Lathrop | 49 | Head | Turkey Grower | Kansas |
| 53 | Alphonse Bach | 42 | Hired Hand | Hired Hand Turkey Grower | France |
| 54 | Ida Bach | 39 | Wife | — | Buffalo |
| 55 | Armin Barteldes | 43 | Head | Assistant Manager | Kansas |
| 56 | Josephine P. Barteldes | 44 | Wife | — | Illinois |
| 57 | Ann A. Barteldes | 21 | Daughter | Sales Girl | Kansas |
| 58 | Frederick W. Barteldes | 18 | Son | New Worker | Colorado |
| 59 | Martin Salmonson | 66 | Head | Truck Driver | Norway |
| 60 | Ellen Salmonson | 56 | Wife | — | Wisconsin |
| 61 | Donald James Salmonson | 12 | Son | — | Colorado |
| 62 | Victor Christensen | 65 | Head | Farmer | Illinois |
| 63 | Amelia Christensen | 60 | Wife | — | Germany |
| 64 | Laurence Christensen | 32 | Son | Labor Farmer | Illinois |
| 65 | John Christensen | 29 | Son | Labor Farmer | Illinois |
| 66 | Harry A. Christensen | 22 | Son | New Worker | Colorado |
| 67 | Victor Jr. Christensen | 20 | Son | Labor Farmer | Colorado |
| 68 | Elaine Christensen | 17 | Daughter | — | Colorado |
| 69 | Paul Christensen | 14 | Son | — | Colorado |
| 70 | Joe Brammer | 35 | Hired Hand | Labor | Colorado |
| 71 | Thomas Gallagher THIS PERSON | 82 | Head | Farmer | Ireland |
| 72 | Delia Gallagher | 76 | Wife | — | Ireland |
| 73 | Roger Gallagher | 17 | Son | Deaf Mute | Colorado |
| 74 | Kathryn Johnson | 29 | Daughter | Stenographer | Colorado |
| 75 | Ward W. Thompson | 51 | Head | Distributor | Iowa |
| 76 | Georgia Thompson | 48 | Wife | — | Kansas |
| 77 | John Geiken | 22 | Hired Man | Labor | Minnesota |
| 78 | Ben D. Anthony | 29 | Head | Dealer | Texas |
| 79 | Virginia Anthony | 24 | Wife | — | Colorado |
| 80 | Barry J. Anthony | 2 | Son | — | Colorado |
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)