HW
Henry Wagner — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boulder-County, Colorado
Our Model Tree links this Henry Wagner across the 1930 and 1940 US Censuses in Boulder-County, Colorado (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Boulder-County, Colorado |
| Surname | Wagner |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Election Precinct 44 Burlington |
| 1935 Residence (County) | Boulder |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Election Precinct 44 Burlington |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Henry Wagner | Son | — | 14 | ~1926 |
| Clarence Wagner | Son | — | 17 | ~1923 |
| Rosa Wagner | Daughter | — | 16 | ~1924 |
| Herman Wagner | Son | — | 8 | ~1932 |
| Katie Wagner | Spouse | — | 48 | ~1892 |
| Katie Wagner | Daughter | — | 21 | ~1919 |
| Ralph Wagner | Son | — | 4 | ~1936 |
| Hannah Wagner | Daughter | — | 19 | ~1921 |
| Carl Wagner | Son | — | 12 | ~1928 |
Census Appearances
1930
Boulder, Colorado
Son, age 4
Boulder, Colorado · implied b. ~1926 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wagner |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Boulder-County, Colorado
Son, age 14
Boulder-County, Colorado · implied b. ~1926 — 9 household members
| Surname | Wagner |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Election Precinct 44 Burlington |
| 1935 Residence (County) | Boulder |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Henry Wagner across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Henry Wagner
Son · 1940 · age 14 · b. ~1926 · Colorado
★ You are viewing this record
Sibling
Ralph Wagner
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Wagner
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katie Wagner
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Wagner
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Wagner
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hannah Wagner
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Wagner
Sibling · 1940 · age 8
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 — Boulder-County, Colorado
Open full size
1940 US Federal Census — Boulder-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00457-00551)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Katie Wagner | 48 | Wife | — | Russia |
| 42 | Katie Wagner | 21 | Daughter | — | Colorado |
| 43 | Hannah Wagner | 19 | Daughter | — | Colorado |
| 44 | Clarence Wagner | 17 | Son | Laborer | Colorado |
| 45 | Rosa Wagner | 16 | Daughter | — | Colorado |
| 46 | Henry Wagner THIS PERSON | 14 | Son | — | Colorado |
| 47 | Carl Wagner | 12 | Son | — | Colorado |
| 48 | Herman Wagner | 8 | Son | — | Colorado |
| 49 | Ralph Wagner | 4 | Son | — | Colorado |
| 50 | Adam Najramus | 48 | Head | Laborer | Russia |
| 51 | Lizzie Najramus | 48 | Wife | — | Russia |
| 52 | John Najramus | 21 | Son | Laborer | Colorado |
| 53 | Helen Najramus | 20 | Daughter | House Work | Colorado |
| 54 | Albert Najramus | 18 | Son | Laborer | Colorado |
| 55 | Harry Najramus | 13 | Son | — | Colorado |
| 56 | Carl Carlson | 60 | Head | Operator | Denmark |
| 57 | Marie B. Carlson | 62 | Wife | — | Norway |
| 58 | Charlie Carlson | 21 | Son | — | Colorado |
| 59 | Adolph Le Fever | 48 | Head | Operator | Belgium |
| 60 | Bertha Le Fever | 32 | Wife | — | Belgium |
| 61 | George Le Fever | 12 | Son | — | Colorado |
| 62 | Mary Le Fever | 11 | Daughter | — | Colorado |
| 63 | Maurice Le Fever | 9 | Son | — | Colorado |
| 64 | Henry Le Fever | 7 | Son | — | Colorado |
| 65 | Pierina Carton | 74 | Mother-in-law | — | Belgium |
| 66 | Lewis Mcdonell | 39 | Head | 32 | Colorado |
| 67 | Lillian Mcdonell | 35 | Wife | 0 | Kansas |
| 68 | Lewis Mcdonell | 12 | Son | — | Colorado |
| 69 | James Mcdonell | 10 | Son | — | Colorado |
| 70 | Donald Mcdonell | 8 | Son | — | Colorado |
| 71 | Charles Mcdonell | 4 | Son | — | Colorado |
| 72 | Ernest Johnson | 50 | Head | Operator | Nebraska |
| 73 | Emery J. Mccarty | 33 | Lodger | 40 | Nebraska |
| 74 | Elsie Mccarty | 25 | Lodger | 0 | Kansas |
| 75 | Delores Mccarty | 4 | Lodger | — | Nebraska |
| 76 | Andrew Steiner | 56 | Head | 70 | Ohio |
| 77 | Inez Steiner | 57 | Wife | 0 | Ohio |
| 78 | Sherman Paul Steiner | 16 | Lodger | 0 | Colorado |
| 79 | Reiner Steiner | 14 | Son | 0 | Colorado |
| 80 | Wilbert Johnston | 29 | Head | Operator | 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)