RS
Robert Snyder — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Robert Snyder across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Snyder |
| Given Name | Robert Jr. |
| 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 | Pipe Hanger |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 242 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Pipe Hanger |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Clara Snyder | Daughter | — | 17 | ~1923 |
| Mary Snyder | Daughter | — | 19 | ~1921 |
| Robert Snyder | Head | — | 41 | ~1899 |
| Robert Snyder | Son | — | 21 | ~1919 |
| Samuel Snyder | Son | — | 14 | ~1926 |
| Julia Snyder | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Marion, Indiana
Son, age 1
Marion, Indiana · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snyder |
| Given Name | Robert L Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Speaks English | 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 | Snyder |
| Given Name | Robert L Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| 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 — 6 household members
| Surname | Snyder |
| Given Name | Robert Jr. |
| 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 | Pipe Hanger |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 242 |
| 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 Robert Snyder across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Snyder (~0.92 confidence) and father Robert Snyder (~0.92 confidence) and mother Julia Snyder (~0.92 confidence) and father Robert Snyder (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Snyder
b. ~1899
Source father
● Household
· direct · ~0.92
Father
Robert Snyder
b. ~1899
Source father
● Household
· direct · ~0.92
Mother
Julia Snyder
b. ~1900
Source mother
● Household
· direct · ~0.92
Father
Robert Snyder
b. ~1900
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Snyder
Son · 1940 · age 21 · b. ~1919 · Indiana
★ You are viewing this record
Sibling
Samuel Snyder
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Snyder
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Snyder
Sibling · 1940 · age 19
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 — 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-t0627-01124-00378)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucile Russell | 29 | Wife | — | Indiana |
| 42 | Clifton Russell | 8 | Son | — | Indiana |
| 43 | Betty Russell | 7 | Daughter | — | Indiana |
| 44 | James Russell | 3 | Son | — | Indiana |
| 45 | John Russell | 2 | Son | — | Indiana |
| 46 | Jerry Neil Russell | 0 | Son | — | Indiana |
| 47 | Clarence Deubner | 57 | Head | Painter | Ohio |
| 48 | Bertha Deubner | 50 | Wife | Dressmaker | Ohio |
| 49 | Kenneth Shull | 27 | Head | Machinist | Indiana |
| 50 | Mary Shull | 20 | Wife | — | Kentucky |
| 51 | Kenneth Jr. Shull | 1 | Son | — | Indiana |
| 52 | Samuel Cook | 50 | Head | Machinist | Kentucky |
| 53 | Letha Cook | 42 | Wife | — | Indiana |
| 54 | Samuel Jr. Cook | 12 | Son | — | Michigan |
| 55 | Peggy Cook | 5 | Daughter | — | Indiana |
| 56 | Vernon Shelton | 55 | Head | Machinist | Indiana |
| 57 | Lulu Shelton | 50 | Wife | — | Indiana |
| 58 | Helen Mann | 25 | Daughter | Housework | Indiana |
| 59 | Wanda Holcomb | 7 | Granddaughter | — | Indiana |
| 60 | Glendon Anderson | 26 | Head | Truck Driver | Indiana |
| 61 | Katherine Anderson | 23 | Wife | — | Indiana |
| 62 | Harry Harper | 55 | Head | Coal Man | Indiana |
| 63 | Lydia Harper | 44 | Wife | — | Indiana |
| 64 | Laura Harper | 24 | Daughter | Credit Clerk | Indiana |
| 65 | Mildred Harper | 22 | Daughter | Cook | Indiana |
| 66 | Robert Harper | 20 | Son | Laborer | Indiana |
| 67 | Donald Harper | 18 | Son | Laborer | Indiana |
| 68 | Lyle Harper | 17 | Son | Laborer | Indiana |
| 69 | Harry Jr. Harper | 15 | Son | — | Indiana |
| 70 | Wanda Harper | 12 | Daughter | — | Indiana |
| 71 | Muril Harper | 10 | Daughter | — | Indiana |
| 72 | Norma Jean Harper | 8 | Daughter | — | Indiana |
| 73 | Richard Harper | 6 | Son | — | Indiana |
| 74 | Deloris Harper | 2 | Granddaughter | — | Indiana |
| 75 | Robert Snyder | 41 | Head | City Fireman | Indiana |
| 76 | Julia Snyder | 40 | Wife | — | Indiana |
| 77 | Mary Snyder | 19 | Daughter | Usher | Indiana |
| 78 | Clara Snyder | 17 | Daughter | — | Indiana |
| 79 | Samuel Snyder | 14 | Son | — | Indiana |
| 80 | Robert Jr. Snyder THIS PERSON | 21 | Son | Pipe Hanger | Indiana |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 4 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)