WG
William Gallagher — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dakota-County, Minnesota
Our Model Tree links this William Gallagher across the 1920, 1930 and 1940 US Censuses in Dakota-County, Minnesota (XGBoost, ~Confirmed), with identified parents Patrick & Anna — first a head (b.~1895), then head of a 4-person household.
Age 45
b. ~1895
Male
Head
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dakota-County, Minnesota |
| Surname | Gallagher |
| Given Name | William L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | South St. Paul City |
| 1935 Residence (County) | Dakota |
| Additional Details | |
| Occupation | Skilled Laborer |
| Industry | Swift Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1820 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Skilled Laborer |
| Township / Ward | South St Paul City |
| Est. Birth Year | ~1895 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Gallagher | Head | — | 45 | ~1895 |
| William Gallagher | Son | — | 16 | ~1924 |
| Donald Gallagher | Son | — | 15 | ~1925 |
| Mayme Gallagher | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Dakota, Minnesota
Son, age 24
Dakota, Minnesota · implied b. ~1896 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | New York |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Dakota, Minnesota
Head, age 34
Dakota, Minnesota · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | William E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 24 |
| Father's Birthplace | United States |
| Mother's Birthplace | Germany |
| Occupation | Scaler |
| Industry | Packing Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4200 |
| Radio Set | No |
| Veteran | Yes WW |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Dakota-County, Minnesota
Head, age 45
Dakota-County, Minnesota · implied b. ~1895 — 4 household members
| Surname | Gallagher |
| Given Name | William L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | South St. Paul City |
| 1935 Residence (County) | Dakota |
| Occupation | Skilled Laborer |
| Industry | Swift Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1820 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 William Gallagher across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Gallagher (~0.92 confidence) and mother Anna Gallagher (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Gallagher
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Anna Gallagher
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Gallagher
Head · 1940 · age 45 · b. ~1895 · Minnesota
★ 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 — Dakota-County, Minnesota
Open full size
1940 US Federal Census — Dakota-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01918-00312)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Shirley M Lucas | 7 | Daughter | — | Minnesota |
| 42 | Marjorie M Lucas | 6 | Daughter | — | Minnesota |
| 43 | Bonnie Lucas | 4 | Daughter | — | Minnesota |
| 44 | Robert J Lucas | 1 | Son | — | Minnesota |
| 45 | Nick Kirst | 62 | Head | — | Minnesota |
| 46 | Lena Kirst | 54 | Wife | — | Minnesota |
| 47 | Alfred Waldhauser | 34 | Head | Attendant | Minnesota |
| 48 | Lois Mae Waldhauser | 28 | Wife | — | Minnesota |
| 49 | Helen M Waldhauser | 10 | Daughter | — | Minnesota |
| 50 | Peter Schwanberger | 30 | Head | Laborer | Minnesota |
| 51 | Estelle Schwanberger | 24 | Wife | — | Minnesota |
| 52 | Herman J Steiner | 34 | Head | Checker | Minnesota |
| 53 | Jenniett E Steiner | 30 | Wife | — | Minnesota |
| 54 | Valerie M Steiner | 10 | Daughter | — | Minnesota |
| 55 | Donald R Steiner | 8 | Son | — | Minnesota |
| 56 | John S Steiner | 5 | Son | — | Minnesota |
| 57 | Steve R Roddy | 49 | Head | Machinist | Michigan |
| 58 | Adeline Roddy | 31 | Wife | — | Minnesota |
| 59 | Richard S Roddy | 13 | Son | — | Minnesota |
| 60 | William J Roddy | 11 | Son | — | Minnesota |
| 61 | Mary J Roddy | 8 | Daughter | — | Minnesota |
| 62 | Patricia A Roddy | 6 | Daughter | — | Minnesota |
| 63 | Dan S Casey | 49 | Head | Conductor | Iowa |
| 64 | Gazelle Casey | 45 | Wife | Seamstress | Iowa |
| 65 | Joseph Plesnukis | 45 | Head | Laborer | Poland |
| 66 | Rose Plesnukis | 42 | Wife | — | Minnesota |
| 67 | Vernia Plesnukis | 20 | Daughter | — | Minnesota |
| 68 | Donald Plesnukis | 18 | Son | — | Minnesota |
| 69 | Lody Plesnukis | 18 | Lodger | — | Minnesota |
| 70 | Theodore Miller | 43 | Head | Laborer | Germany |
| 71 | Mary Miller | 41 | Wife | — | Germany |
| 72 | Elizabeth Miller | 20 | Daughter | Laborer | Minnesota |
| 73 | Henry Miller | 18 | Son | — | Minnesota |
| 74 | Billy Miller | 16 | Son | — | Minnesota |
| 75 | Lillian Miller | 14 | Daughter | — | Minnesota |
| 76 | Dorothy M Miller | 10 | Daughter | — | Minnesota |
| 77 | William L Gallagher THIS PERSON | 45 | Head | Skilled Laborer | South Dakota |
| 78 | Mayme L Gallagher | 45 | Wife | — | Minnesota |
| 79 | William L Gallagher | 16 | Son | — | Minnesota |
| 80 | Donald P Gallagher | 15 | Son | — | Minnesota |
Pedigree Summary
William
Gen 1 · 2 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)