HS
Henry Snyder — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Clair, Michigan
Our Model Tree links this Henry Snyder across the 1930 and 1940 US Censuses in St Clair, Michigan (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 9-person household.
Age 9
b. ~1921
Male
Son
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Clair, Michigan |
| Surname | Snyder |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Additional Details | |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Port Huron City |
| Est. Birth Year | ~1921 |
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 1930 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| William Snyder | Son | — | ~1930 | |
| Christian Snyder | Son | — | 11 | ~1919 |
| Alinda Snyder | Other | — | 34 | ~1896 |
| Alexander Snyder | Son | — | 5 | ~1925 |
| Henry Snyder | Son | — | 9 | ~1921 |
| David Snyder | Son | — | 6 | ~1924 |
| Fred Snyder | Son | — | 12 | ~1918 |
| Adam Snyder | Son | — | 2 | ~1928 |
| Fred Snyder | Head | — | 35 | ~1895 |
Census Appearances
1930
St Clair, …
Son, age 9
St Clair, Michigan · implied b. ~1921 — 9 household members
| Surname | Snyder |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Clair-County, Michigan
Son, age 21
St.-Clair-County, Michigan · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snyder |
| Given Name | Harry F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Riley Township |
| 1935 Residence (County) | St. Clair |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 · 1930 · age 9 · b. ~1921 · Michigan
★ You are viewing this record
Sibling
Alexander Snyder
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Snyder
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Snyder
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adam Snyder
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Snyder
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Christian Snyder
Sibling · 1930 · age 11
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
1930 US Federal Census — St Clair, Michigan
Open full size
1930 US Federal Census — St Clair, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel1025:0200)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George L. Caton | 36 | Head | Switchman | New York |
| 52 | Adeline E. Caton | 37 | Wife-H | None | Michigan |
| 53 | Alice L. Caton | 13 | Daughter | None | Michigan |
| 54 | George L. Jr. Caton | 11 | Son | None | Michigan |
| 55 | Vuran I. Caton | 9 | Daughter | None | Michigan |
| 56 | Andrew Langolf | 35 | Head | Foreman | Russia |
| 57 | Therese Langolf | 33 | Wife-H | None | Russia |
| 58 | Freda Langolf | 13 | Daughter | None | Michigan |
| 59 | Dorothy S. Langolf | 12 | Daughter | None | Michigan |
| 60 | Elizabeth Langolf | 11 | Daughter | None | Michigan |
| 61 | Ruth Langolf | 9 | Daughter | None | Michigan |
| 62 | Lydia E. Langolf | 7 | Daughter | None | Michigan |
| 63 | Theresa H. Langolf | 3 | Daughter | None | Michigan |
| 64 | Daniel Langolf | 35 | Boarder | Laborer | Russia |
| 65 | Christian Roth | 23 | Boarder | Inspector | Russia |
| 66 | Fred Snyder | 35 | Head | Chipper | Russia |
| 67 | Alinda Snyder | 34 | Wife-H | None | Russia |
| 68 | Fred Snyder | 12 | Son | None | Illinois |
| 69 | Christian Snyder | 11 | Son | None | Illinois |
| 70 | Henry Snyder THIS PERSON | 9 | Son | None | Michigan |
| 71 | David Snyder | 6 | Son | None | Michigan |
| 72 | Alexander Snyder | 5 | Son | None | Michigan |
| 73 | Adam Snyder | 2 | Son | None | Michigan |
| 74 | William R. Snyder | 0 | Son | None | Michigan |
| 75 | Carl G. Reig | 31 | Head | Chief Clerk | Michigan |
| 76 | Hazel M. Reig | 28 | Wife-H | None | Michigan |
| 77 | Carl Jr. Reig | 6 | Son | None | Michigan |
| 78 | Charlene Reig | 1 | Son | None | Michigan |
| 79 | Clare J. Evans | 34 | Head | Machinist | Michigan |
| 80 | Grace Evans | 70 | Mother-H | None | Canada English |
| 81 | Margaret Sharpe | 75 | Head | None | Canada English |
| 82 | Margaret M. Sharpe | 47 | Daughter | Accountant | Canada English |
| 83 | Kathleen L. Sharpe | 43 | Daughter | Accountant | Canada English |
| 84 | John F. Shaw | 65 | Head | Gate Keeper | Canada English |
| 85 | Mary Shaw | 61 | Wife-H | None | Michigan |
| 86 | John F. Jr. Shaw | 35 | Son | Sailor | Michigan |
| 87 | Leo Shaw | 27 | Son | Printer | Michigan |
| 88 | Robert Shaw | 16 | Son | Set Up Man | Michigan |
| 89 | Bertha Howard | 26 | Hand girl | House Keeper | Michigan |
| 90 | William G. Bronson | 39 | Head | Carpenter | Michigan |
| 91 | Lillian M. Bronson | 40 | Wife-H | None | Michigan |
| 92 | James Whittaker | 59 | Head | Janitor | England |
| 93 | Elizabeth J. Whittaker | 47 | Wife-H | None | England |
| 94 | Ivy M. Whittaker | 8 | Daughter | None | Canada English |
| 95 | James Mcphail | 49 | Head | Engineer | Canada English |
| 96 | Lena A. Torrey | 27 | Niece-H | None | Michigan |
| 97 | John Weiss | 36 | Head | Laborer | Russia |
| 98 | Lydia Weiss | 32 | Wife-H | None | Russia |
| 99 | John Jr. Weiss | 13 | Son | None | Michigan |
| 100 | Dorothy Weiss | 12 | Daughter | None | Michigan |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)