MW
Mary Wilcox — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Ionia, Michigan
Our Model Tree links this Mary Wilcox across the 1930 and 1940 US Censuses in Ionia, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 6-person household.
Age 9
b. ~1921
Female
Daughter
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Ionia, Michigan |
| Surname | Wilcox |
| Given Name | Mary Etta |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Danby Township |
| 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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Wilcox | Daughter | — | 3 | ~1927 |
| Mary Wilcox | Daughter | — | 9 | ~1921 |
| Anthony Wilcox | Head | — | 41 | ~1889 |
| Katherine Wilcox | Spouse | — | 38 | ~1892 |
| Adeline Wilcox | Daughter | — | 5 | ~1925 |
| Ronald Wilcox | Son | — | 12 | ~1918 |
Census Appearances
1930
Ionia, Michigan
Daughter, age 9
Ionia, Michigan · implied b. ~1921 — 6 household members
| Surname | Wilcox |
| Given Name | Mary Etta |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Ionia-County, Michigan
Daughter, age 19
Ionia-County, Michigan · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilcox |
| Given Name | Maryette A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Danby |
| 1935 Residence (County) | Ionia |
| Income (1939) | 0 |
| Highest Grade | C 1 |
| 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 Mary Wilcox across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Wilcox
Daughter · 1930 · age 9 · b. ~1921 · Michigan
★ You are viewing this record
Sibling
Adeline Wilcox
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Wilcox
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Wilcox
Sibling · 1930 · age 12
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:michigancensus00reel992:0549)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Anthony Wilcox | 41 | Head | Farmer | Michigan |
| 52 | Katherine Wilcox | 38 | Wife | — | Michigan |
| 53 | Ronald Wilcox | 12 | Son | — | Michigan |
| 54 | Mary Etta Wilcox THIS PERSON | 9 | Daughter | — | Michigan |
| 55 | Adeline Wilcox | 5 | Daughter | — | Michigan |
| 56 | Marjorie Wilcox | 3 | Daughter | — | Michigan |
| 57 | Ray Shiner | 42 | Head | Laborer | Michigan |
| 58 | Mildred Shiner | 40 | Wife | — | Michigan |
| 59 | Adeline Shiner | 22 | Daughter | — | Michigan |
| 60 | Nyle Shiner | 20 | Son | Laborer | Michigan |
| 61 | James Shiner | 19 | Son | Laborer | Michigan |
| 62 | Eugene Shiner | 15 | Son | — | Michigan |
| 63 | Leon Shiner | 13 | Son | — | Michigan |
| 64 | Raymond Shiner | 12 | Son | — | Michigan |
| 65 | Robert Shiner | 7 | Son | — | Michigan |
| 66 | Lamer Smith | 76 | Head | Laborer | Michigan |
| 67 | Lucy Smith | 74 | Wife | — | Michigan |
| 68 | Charles Beard | 44 | Head | Farmer | Michigan |
| 69 | Marie Beard | 26 | Wife | — | South Dakota |
| 70 | Violet Beard | 6 | Daughter | — | South Dakota |
| 71 | Robert Jr Wooden | 28 | Head | Farmer | Michigan |
| 72 | Shirley Wooden | 25 | Wife | — | Michigan |
| 73 | Robert Wooden | 57 | Head | Painter | Michigan |
| 74 | Lottie Wooden | 52 | Wife | — | Michigan |
| 75 | Richard Wooden | 25 | Son | Farmer | Michigan |
| 76 | George Lavenport | 72 | Head | Farmer | Michigan |
| 77 | Lyle Lavenport | 48 | Head | Machinist | Michigan |
| 78 | Jennie M Lavenport | 59 | Wife | — | Michigan |
| 79 | Edna Lavenport | 15 | Daughter | — | Michigan |
| 80 | Alvert J Lavenport | 14 | Son | — | Michigan |
| 81 | Clarence Lewis | 51 | Head | Farmer | Michigan |
| 82 | Francis Lewis | 46 | Wife | — | Michigan |
| 83 | Norma Lewis | 19 | Daughter | Stenographer | Michigan |
| 84 | George Rice | 77 | Head | Farmer | Michigan |
| 85 | Nelson Kezie | 37 | Head | Mechanic | Michigan |
| 86 | Addie Kezie | 40 | Wife | — | Michigan |
| 87 | Lawrence Kezie | 12 | Son | — | Michigan |
| 88 | Helen Kezie | 10 | Daughter | — | Michigan |
| 89 | Dorothy Kezie | 9 | Daughter | — | Michigan |
| 90 | Robert Kezie | 3 | Son | — | California |
| 91 | Mary Kezie | 1 | Daughter | — | Michigan |
| 92 | Joseph Buerge | 58 | Head | Handyman | Michigan |
| 93 | Nettie Buerge | 57 | Wife | Chauffeur | Indiana |
| 94 | Vernon Buerge | 26 | Son | Clerk | Michigan |
| 95 | Lyman Buerge | 23 | Son | Clerk | Michigan |
| 96 | Juanita Buerge | 4 | Daughter | — | Michigan |
| 97 | Wanda Buerge | 1 | Daughter | — | Michigan |
| 98 | Albert Coon | 59 | Head | Farmer | Michigan |
| 99 | Hazel Coon | 20 | Wife | — | Kentucky |
| 100 | Fred Coon | 1 | 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)