KS
Kathryn Smith — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Ionia, Michigan
Our Model Tree links this Kathryn Smith across the 1930 and 1940 US Censuses in Ionia, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 10-person household.
Age 5
b. ~1925
Female
Daughter
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Ionia, Michigan |
| Surname | Smith |
| Given Name | Kathryn M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Portland Village |
| Est. Birth Year | ~1925 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Kathryn | Age | Birth yr |
|---|---|---|---|---|
| Clara Mathews | Other | — | 71 | ~1859 |
| Katherine Mathews | Daughter | — | 36 | ~1894 |
| Laura Smith | Daughter | — | 28 | ~1902 |
| Kathryn Smith | Daughter | — | 5 | ~1925 |
| Joseph Smith | Son | — | 4 | ~1926 |
| Cyril Smith | Head | — | 31 | ~1899 |
| Margaret Smith | Other | — | 51 | ~1879 |
| James Smith | Son | — | 1 | ~1929 |
| Antoinette Smith | Spouse | — | 27 | ~1903 |
| Rita Smith | Daughter | — | 12 | ~1918 |
Census Appearances
1930
Ionia, Michigan
Daughter, age 5
Ionia, Michigan · implied b. ~1925 — 10 household members
| Surname | Smith |
| Given Name | Kathryn M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Ionia-County, Michigan
Daughter, age 15
Ionia-County, Michigan · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Portland Village |
| 1935 Residence (County) | Ionia |
| Occupation | New worker |
| Industry | New work |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Kathryn Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Kathryn Smith
Daughter · 1930 · age 5 · b. ~1925 · Michigan
★ You are viewing this record
Sibling
Rita Smith
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Mathews
Sibling · 1930 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Smith
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Smith
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Smith
Sibling · 1930 · age 1
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 — Ionia, Michigan
Open full size
1930 US Federal Census — Ionia, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel992:1030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edward D. | 7 | Son | — | Michigan |
| 52 | June R. | 5 | Daughter | — | Michigan |
| 53 | Leo M. Smith | 26 | Head | Polisher | Michigan |
| 54 | Anna M. Smith | 28 | Wife | — | Michigan |
| 55 | Wilbur C. Smith | 58 | Head | Porter | Michigan |
| 56 | M. Anna Smith | 50 | Wife | Laundress | Canada-English |
| 57 | Cyril J. Smith | 31 | Head | Laborer | Michigan |
| 58 | Antoinette J. Smith | 27 | Wife | — | Michigan |
| 59 | Kathryn M. Smith THIS PERSON | 5 | Daughter | — | Michigan |
| 60 | Joseph B. Smith | 4 | Son | — | Michigan |
| 61 | James M. Smith | 1 | Son | — | Michigan |
| 62 | Margaret Smith | 51 | H | — | Michigan |
| 63 | Laura C. Smith | 28 | Daughter | — | Michigan |
| 64 | Rita C. Smith | 12 | Daughter | — | Michigan |
| 65 | Clara R. Mathews | 71 | H | — | Michigan |
| 66 | Katherine R. Mathews | 36 | Daughter | — | Michigan |
| 67 | Peter Martin | 73 | Head | — | Michigan |
| 68 | Mary Martin | 68 | Wife | — | Michigan |
| 69 | Louis A. Martin | 29 | Son | Truckman | Michigan |
| 70 | Nettie M. Martin | 27 | Daughter | — | Michigan |
| 71 | Elton Ryan | 52 | Head | Laborer | Michigan |
| 72 | Pearl M. Ryan | 47 | Wife | — | Indiana |
| 73 | Elizabeth B. Jackson | 47 | Head | Chambermaid | Michigan |
| 74 | Ward W. Mansfield | 42 | Boarder | Carpenter | Michigan |
| 75 | Fred Dewey | 70 | Head | Teamster | New York |
| 76 | Clara E. Dewey | 60 | Wife | — | New York |
| 77 | Frank Urie | 63 | Head | Farmer | Ohio |
| 78 | Nettie Urie | 56 | Wife | — | Mississippi |
| 79 | Anthony J. Spitzley | 29 | Head | Farmer | Michigan |
| 80 | Agnes Spitzley | 32 | Wife | — | Michigan |
| 81 | Joseph M. Spitzley | 2 | Son | — | Michigan |
| 82 | Theresa L. Spitzley | 0 | Daughter | — | Michigan |
| 83 | Henry Davidson | 46 | Head | Operator | Michigan |
| 84 | John D. Davidson | 19 | Son | Freight Agent | Michigan |
| 85 | Webster W. Lowry | 44 | Head | Operator | Michigan |
| 86 | Phila M. Lowry | 42 | Wife | — | Michigan |
| 87 | Bertha A. Prentice | 60 | Head | Practical Nurse | Michigan |
| 88 | Robert J. Martin | 37 | Head | Painter | Michigan |
| 89 | Leslie K. Hoffman | 32 | Head | Truck Man | Michigan |
| 90 | Myrtle F. Hoffman | 29 | Wife | — | Michigan |
| 91 | Robert K. Hoffman | 9 | Son | — | Michigan |
| 92 | Donald B. Hoffman | 7 | Son | — | Michigan |
| 93 | Helen E. Hoffman | 1 | Daughter | — | Michigan |
| 94 | John A. Hauss | 68 | Father | Nightwatch | New York |
| 95 | Bernice E. Hauss | 57 | Father in law | Farmer | Michigan |
| 96 | Ruth L. Hauss | 15 | Sister in law | — | Michigan |
| 97 | Ward Hyland | 40 | Head | Agent | Michigan |
| 98 | Lillie Hyland | 38 | Wife | Housekeeper | Michigan |
| 99 | Pauline B. Hyland | 19 | Daughter | Dishwasher | Michigan |
| 100 | Ward V. Hyland | 18 | Son | — | 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)