BS
Betty Smith — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Bay, Michigan
Our Model Tree links this Betty Smith across the 1920 and 1930 US Censuses in Bay, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 9-person household.
Age 12
b. ~1918
Female
Daughter
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Bay, Michigan |
| Surname | Smith |
| Given Name | Betty Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Hampton Twp |
| Est. Birth Year | ~1918 |
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 Betty | Age | Birth yr |
|---|---|---|---|---|
| Elfreda Smith | Daughter | — | 14 | ~1916 |
| Betty Smith | Daughter | — | 12 | ~1918 |
| Pearl Smith | Daughter | — | 8 | ~1922 |
| Newell Smith | Head | — | 37 | ~1893 |
| Estella Smith | Other | — | 37 | ~1893 |
| Edgar Smith | Son | — | 7 | ~1923 |
| Walter Smith | Son | — | 4 | ~1926 |
| Newell Smith | Son | — | 1 | ~1929 |
| Merton Smith | Son | — | 10 | ~1920 |
Census Appearances
1920
Bay, Michigan
Daughter, age 2
Bay, Michigan · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Betty Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Bay, Michigan
Daughter, age 12
Bay, Michigan · implied b. ~1918 — 9 household members
| Surname | Smith |
| Given Name | Betty Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| 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 Betty Smith across 2 US Census years (1920 and 1930) in Bay, Michigan, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Smith
Daughter · 1930 · age 12 · b. ~1918 · Michigan
★ You are viewing this record
Sibling
Edgar Smith
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elfreda Smith
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Newell Smith
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Smith
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Smith
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merton Smith
Sibling · 1930 · age 10
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 — Bay, Michigan
Open full size
1930 US Federal Census — Bay, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel975:0675)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Noah J. Groulx | 40 | Head | Farmer | Michigan |
| 2 | Mary A. Groulx | 39 | Wife-H | None | Michigan |
| 3 | Marion E. Groulx | 15 | Daughter | None | Michigan |
| 4 | Edward A. Groulx | 13 | Son | None | Michigan |
| 5 | Elaine F. Groulx | 12 | Daughter | None | Michigan |
| 6 | Lois M. Groulx | 9 | Son | None | Michigan |
| 7 | Roy E. Groulx | 7 | Son | None | Michigan |
| 8 | Robert G. Groulx | 3 | Son | None | Michigan |
| 9 | Fred Guillitte | 44 | Head | Farmer | Michigan |
| 10 | Celia Guillitte | 38 | Wife-H | None | Michigan |
| 11 | Floyd Guillitte | 5 | Son | None | Michigan |
| 12 | Julia Guillitte | 78 | Mother | None | Michigan |
| 13 | Frank Miklovic | 46 | Head | Farmer | Hungary |
| 14 | Elizabeth Miklovic | 43 | Wife-H | None | Hungary |
| 15 | Irene Miklovic | 16 | Daughter | None | West Virginia |
| 16 | Ethel Miklovic | 15 | Daughter | None | West Virginia |
| 17 | Helen Miklovic | 13 | Daughter | None | West Virginia |
| 18 | Frank Miklovic | 11 | Son | None | Pennsylvania |
| 19 | Elizabeth Miklovic | 9 | Daughter | None | Pennsylvania |
| 20 | Margaret Miklovic | 8 | Daughter | None | Pennsylvania |
| 21 | Velma Miklovic | 6 | Daughter | None | West Virginia |
| 22 | Fred Marquardt | 43 | Head | Farmer | Ohio |
| 23 | Bertha Marquardt | 44 | Wife-H | None | Germany |
| 24 | Edna Marquardt | 21 | Daughter | Laborer | Ohio |
| 25 | Paul Marquardt | 18 | Son | Section Man | Ohio |
| 26 | Ernest Marquardt | 17 | Son | Laborer | Michigan |
| 27 | Martha Marquardt | 14 | Daughter | None | Michigan |
| 28 | Alvin Marquardt | 12 | Son | None | Michigan |
| 29 | Otto Marquardt | 10 | Son | None | Michigan |
| 30 | Fred Marquardt | 8 | Son | None | Michigan |
| 31 | Agnes Marquardt | 5 | Daughter | None | Michigan |
| 32 | Earl Marquardt | 2 | Son | None | Michigan |
| 33 | Newell Smith | 37 | Head | Farmer | Michigan |
| 34 | Estella Smith | 37 | Wife-H | None | Michigan |
| 35 | Elfreda Smith | 14 | Daughter | None | Michigan |
| 36 | Betty Lou Smith THIS PERSON | 12 | Daughter | None | Michigan |
| 37 | Merton A. Smith | 10 | Son | None | Michigan |
| 38 | Pearl Smith | 8 | Daughter | None | Michigan |
| 39 | Edgar Smith | 7 | Son | None | Michigan |
| 40 | Walter Smith | 4 | Son | None | Michigan |
| 41 | Newell Smith | 1 | Son | None | Michigan |
| 42 | John Nix | 25 | Head | Fisherman | Germany |
| 43 | Agusta Nix | 63 | Wife-H | None | Germany |
| 44 | Paul Nix | 41 | Son | Fisherman | Michigan |
| 45 | Nellie Nix | 34 | Daughter-in-law | None | Michigan |
| 46 | Elaine Nix | 4 | Granddaughter | None | Michigan |
| 47 | Lawrence Nix | 1 | Grandson | None | Michigan |
| 48 | James Nix | 35 | Head-H | Fisherman | Michigan |
| 49 | Frank Badour | 35 | Head | Farmer | Michigan |
| 50 | Flora Badour | 35 | Wife-H | 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)