RM
Rosa Martin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · St Joseph, Michigan
Our Model Tree links this Rosa Martin across the 1920, 1930 and 1940 US Censuses in St Joseph, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 6-person household.
Age 43
b. ~1877
Female
Spouse
Born: Indiana
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | St Joseph, Michigan |
| Surname | Martin |
| Given Name | Rosa A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Sturgis Township |
| Est. Birth Year | ~1877 |
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 1920 census.
| Name | Relation to head | Relative to Rosa | Age | Birth yr |
|---|---|---|---|---|
| Ralph Martin | Son | — | 24 | ~1896 |
| Rosa Martin | Spouse | — | 43 | ~1877 |
| Frank Martin | Son | — | 21 | ~1899 |
| James Livingston | Other | — | 53 | ~1867 |
| Edna Martin | Daughter | — | 17 | ~1903 |
| John Martin | Head | — | 53 | ~1867 |
Census Appearances
1920
St Joseph, …
Spouse, age 43
St Joseph, Michigan · implied b. ~1877 — 6 household members
| Surname | Martin |
| Given Name | Rosa A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
St Joseph, …
Other, age 54
St Joseph, Michigan · implied b. ~1876 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Rose A. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 18 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
Spouse, age 65
St.-Joseph-County, Michigan · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Rose A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Sturgis city |
| 1935 Residence (County) | St Joseph |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Rosa Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Rosa Martin
Spouse · 1920 · age 43 · b. ~1877 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — St Joseph, Michigan
Open full size
1920 US Federal Census — St Joseph, Michigan
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu796unit:0402)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Johanna Porkki | 29 | Wife | — | Michigan |
| 52 | Eleanor Porkki | 8 | Daughter | — | Michigan |
| 53 | Ewald Porkki | 6 | Son | — | Michigan |
| 54 | Edgar Porkki | 3 | Son | — | Michigan |
| 55 | Arthur R. Selby | 30 | Head | Drayman | Indiana |
| 56 | Beda Selby | 21 | Wife | — | Michigan |
| 57 | Lucille Robison | 5 | Boarder | — | Indiana |
| 58 | Pauline Robison | 3 | Boarder | — | Indiana |
| 59 | Wesley A. Selby | 56 | Head | Real Estate | Indiana |
| 60 | Effie A. Selby | 48 | Wife | — | Michigan |
| 61 | J. Roy Peeke | 46 | Head | Laborer | Michigan |
| 62 | Mary E. Peeke | 46 | Wife | — | Michigan |
| 63 | John Roy Peeke | 13 | Son | — | Michigan |
| 64 | Clarence Walters | 21 | Son-in-law | Cashier | Michigan |
| 65 | Mida L. Walters | 20 | Daughter | Stenographer | Michigan |
| 66 | Harry G. Kirchner | 37 | Head | Builder Contractor | Illinois |
| 67 | Ethel J. Kirchner | 32 | Wife | — | Michigan |
| 68 | Robert G. Kirchner | 5 | Son | — | Michigan |
| 69 | Kathleen J. Kirchner | 3 | Daughter | — | Michigan |
| 70 | Albert E. Karnaley | 39 | Head | Electrician | Indiana |
| 71 | Nancy S. Karnaley | 39 | Wife | — | Michigan |
| 72 | Frank A. Reed | 42 | Head | Bench Worker | Michigan |
| 73 | Mary Reed | 39 | Wife | — | Indiana |
| 74 | Lela J. Reed | 19 | Daughter | Stenographer | Michigan |
| 75 | Cecil A. Reed | 14 | Son | — | Michigan |
| 76 | Jim H. Gooch | 39 | Head | Engineer | Kentucky |
| 77 | Hama Gooch | 38 | Wife | — | Indiana |
| 78 | Sheldon Williams | 62 | Head | — | Indiana |
| 79 | Dora M. Williams | 59 | Wife | — | Michigan |
| 80 | Mae Sarah A. Williams | 81 | Mother-in-law | — | New York |
| 81 | Eugene C. Wright | 25 | Head | Garage Man | Michigan |
| 82 | Beryl L. Wright | 24 | Wife | — | Michigan |
| 83 | Elizabeth Ann Wright | 1 | Daughter | — | Michigan |
| 84 | Dorothy B. Sager | 15 | Servant | Servant | Michigan |
| 85 | John J. Martin | 53 | Head | Baker | Indiana |
| 86 | Rosa A. Martin THIS PERSON | 43 | Wife | — | Indiana |
| 87 | Ralph R. Martin | 24 | Son | Salesman | Indiana |
| 88 | Frank E. Martin | 21 | Son | Typist | Indiana |
| 89 | Edna J. Martin | 17 | Daughter | Rod Worker | Indiana |
| 90 | James E. Livingston | 53 | Boarder | Machinist | Massachusetts |
| 91 | Hugh Claud Johnston | 37 | Head | Machinist | Pennsylvania |
| 92 | Lena M. Johnston | 34 | Wife | — | New York |
| 93 | Thelma G. Johnston | 13 | Daughter | — | Indiana |
| 94 | Norma B. Johnston | 3 | Daughter | — | Michigan |
| 95 | Theo. T. Jacobs | 45 | Head | Attorney | Michigan |
| 96 | Louise C. Jacobs | 40 | Wife | — | Michigan |
| 97 | Leona R. Jacobs | 18 | Daughter | — | Michigan |
| 98 | Thomas H. Jacobs | 83 | Father | — | Michigan |
| 99 | Edward J. Warby | 27 | Head | Enameler | New York |
| 100 | Nellie A. Warby | 26 | Wife | — | New York |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)