HS
Henry Snyder — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this Henry Snyder across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 9-person household.
Age 20
b. ~1920
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | Snyder |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Gary |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Highest Grade | S 3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Gary |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| Lenore Snyder | Spouse | — | 50 | ~1890 |
| H Snyder | Head | — | 56 | ~1884 |
| Ralph Snyder | Son | — | 15 | ~1925 |
| Richard Snyder | Son | — | 25 | ~1915 |
| Margaret Snyder | Daughter | — | 12 | ~1928 |
| John Snyder | Son | — | 18 | ~1922 |
| Henry Snyder | Son | — | 20 | ~1920 |
| Herbert Snyder | Son | — | 21 | ~1919 |
| Helen Snyder | Daughter | — | 24 | ~1916 |
Census Appearances
1930
Lake, Indiana
Son, age 10
Lake, Indiana · implied b. ~1920 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snyder |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Lake-County, Indiana
Son, age 20
Lake-County, Indiana · implied b. ~1920 — 9 household members
| Surname | Snyder |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Gary |
| 1935 Residence (County) | Lake |
| Highest Grade | S 3 |
| 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 Henry Snyder across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Henry Snyder
Son · 1940 · age 20 · b. ~1920 · Indiana
★ You are viewing this record
Sibling
Ralph Snyder
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Snyder
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Snyder
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Snyder
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Snyder
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Snyder
Sibling · 1940 · age 21
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
39 people indexed on this census page (nara:1940:m-t0627-01119-00972)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Floyd E. Williams | 46 | Head | Owner | Illinois |
| 2 | Flossie C. Williams | 46 | Wife | — | Indiana |
| 3 | Floyd E. Jr. Williams | 17 | Son | — | Indiana |
| 4 | Florence Williams | 11 | Daughter | — | Indiana |
| 5 | Minnie Bothwell | 76 | Mother-in-law | — | Indiana |
| 6 | Albert A. Watts | 52 | Head | Doctor | Indiana |
| 7 | Mayme A. Watts | 46 | Wife | — | Illinois |
| 8 | Alberta A. Watts | 11 | Daughter | — | Indiana |
| 9 | Albert A. Jr. Watts | 4 | Son | — | Indiana |
| 10 | Carol E. Ewen | 21 | Nurse | Nurse | Indiana |
| 11 | Edward J. Burns | 33 | Head | Owner | Illinois |
| 12 | Genevieve Burns | 30 | Wife | — | Indiana |
| 13 | Edwin Burns | 9 | Son | — | Indiana |
| 14 | Marilyn Burns | 6 | Daughter | — | Indiana |
| 15 | Barbara Ann Burns | 5 | Daughter | — | Indiana |
| 16 | Terrence Burns | 3 | Son | — | Indiana |
| 17 | Harriet Jeremiah | 18 | Maid | Maid | Indiana |
| 18 | Charles S. Simon | 40 | Head | Jeweler | Illinois |
| 19 | Lillian E. Simon | 41 | Wife | — | Illinois |
| 20 | Jerome N. Simon | 14 | Son | — | Indiana |
| 21 | Eileen M. Simon | 11 | Daughter | — | Illinois |
| 22 | Joseph Cohen | 23 | Tutor | Tutor | Illinois |
| 23 | Vivian Travis | 43 | Lodger | Welder | Kentucky |
| 24 | Lucy Travis | 40 | Maid | Maid | Kentucky |
| 25 | Leone Maurer | 21 | Maid | Maid | North Dakota |
| 26 | Gilbert Adams | 47 | Head | Electrical Engineer | Indiana |
| 27 | Ruth Adams | 46 | Wife | — | Indiana |
| 28 | Robert Adams | 20 | Son | — | Indiana |
| 29 | Robert H. Westerberg | 47 | Head | Inspector | Pennsylvania |
| 30 | Sadie Westerberg | 47 | Wife | — | Pennsylvania |
| 31 | H. Ray Snyder | 56 | Head | Manager | Ohio |
| 32 | Lenore Snyder | 50 | Wife | — | Ohio |
| 33 | Richard Snyder | 25 | Son | Ad-Man | Indiana |
| 34 | Helen Snyder | 24 | Daughter | Re-Writer | Indiana |
| 35 | Herbert Snyder | 21 | Son | — | Indiana |
| 36 | Henry Snyder THIS PERSON | 20 | Son | — | Indiana |
| 37 | John Snyder | 18 | Son | — | Indiana |
| 38 | Ralph Snyder | 15 | Son | — | Indiana |
| 39 | Margaret Snyder | 12 | Daughter | — | 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)