HS
Harry Snyder — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Harry Snyder across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents Otis & Margaret — first a head (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Snyder |
| Given Name | Harry O |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | Secy Treas |
| Industry | Architectural Iron Mfg Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1563 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Secy Treas |
| Township / Ward | Rockford |
| Est. Birth Year | ~1907 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Suzanne Snyder | Daughter | — | 10 | ~1930 |
| Harry Snyder | Head | — | 33 | ~1907 |
| Otis Snyder | Son | — | 8 | ~1932 |
| Gladys Snyder | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Winnebago, Illinois
Son, age 12
Winnebago, Illinois · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snyder |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Winnebago, Illinois
Head, age 22
Winnebago, Illinois · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snyder |
| Given Name | Harry L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 19 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Cleaning & Auto Decorating |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 15000 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Head, age 33
Winnebago-County, Illinois · implied b. ~1907 — 4 household members
| Surname | Snyder |
| Given Name | Harry O |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Occupation | Secy Treas |
| Industry | Architectural Iron Mfg Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1563 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Harry Snyder across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Otis Snyder (~0.92 confidence) and mother Margaret Snyder (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Otis Snyder
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Margaret Snyder
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Snyder
Head · 1940 · age 33 · b. ~1907 · Illinois
★ 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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00915-00012)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clyde E Cole | 36 | Head | Dentist | Iowa |
| 42 | Gladys A Cole | 35 | Wife | — | Iowa |
| 43 | Karen M Cole | 7 | Daughter | — | Illinois |
| 44 | Barbara J Cole | 4 | Daughter | — | Illinois |
| 45 | Harry O Snyder THIS PERSON | 33 | Head | Secy Treas | Illinois |
| 46 | Gladys M Snyder | 33 | Wife | — | Illinois |
| 47 | Suzanne C Snyder | 10 | Daughter | — | Illinois |
| 48 | Otis W Snyder | 8 | Son | — | Illinois |
| 50 | Rector Egelind | 44 | Head | Dist Engineer | Illinois |
| 51 | Esther O Egelind | 38 | Wife | — | Illinois |
| 52 | Doris E Egelind | 16 | Daughter | — | Illinois |
| 53 | Jane E Egelind | 15 | Daughter | — | Illinois |
| 54 | Muriel A Egelind | 11 | Daughter | — | Illinois |
| 55 | Allan N Olson | 33 | Head | Dentist | Iowa |
| 56 | Ruth A Olson | 33 | Wife | — | Nebraska |
| 57 | Richard A Olson | 5 | Son | — | Illinois |
| 58 | Sharon C Olson | 3 | Daughter | — | Illinois |
| 59 | Florence M Martinson | 61 | Mother-in-law | — | Wisconsin |
| 60 | Leslie F Mohner | 36 | Head | Mechanical Engin | Wisconsin |
| 61 | Doris A Mohner | 32 | Wife | — | Illinois |
| 62 | Roger L Mohner | 11 | Son | — | Illinois |
| 63 | Marilyn A Mohner | 7 | Daughter | — | Illinois |
| 64 | John H Foley | 39 | Head | Salesman | Illinois |
| 65 | Grace H Foley | 35 | Wife | — | Illinois |
| 66 | John H Jr Foley | 13 | Son | — | Illinois |
| 67 | Thomas L Foley | 8 | Son | — | Illinois |
| 68 | Edwin W North | 43 | Head | Mechanical Supt | Illinois |
| 69 | Pearl M North | 35 | Wife | — | Illinois |
| 70 | Priscilla E North | 14 | Daughter | — | Illinois |
| 71 | Marilyn A North | 9 | Daughter | — | Illinois |
| 72 | David G North | 5 | Son | — | Illinois |
| 73 | Hannah O Peterson | 54 | Mother-in-law | — | Sweden |
| 74 | Carl G Lundwall | 53 | Head | Farming | Illinois |
| 75 | Nellie H Lundwall | 53 | Wife | — | Colorado |
| 76 | Ruth M Lundwall | 23 | Daughter | — | Colorado |
| 77 | S. Jeannette Lundwall | 22 | Daughter | Trained Nurse | Colorado |
| 78 | Carl G Jr Lundwall | 13 | Son | — | Colorado |
| 80 | Arthur B Nelson | 32 | Head | Screw Div Maker | Illinois |
Pedigree Summary
Harry
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)