RM
Roy Martin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Winnebago, Illinois
Our Model Tree links this Roy Martin across the 1930 and 1940 US Censuses in Winnebago, Illinois (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 14-person household.
Age 12
b. ~1918
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Winnebago, Illinois |
| Surname | Martin |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Rockford |
| 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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Flora Martin | Daughter | — | 21 | ~1909 |
| Jim Martin | Son | — | 4 | ~1926 |
| Hallie Martin | Daughter | — | 18 | ~1912 |
| Florence Martin | Daughter | — | 10 | ~1920 |
| Albert Martin | Head | — | 53 | ~1877 |
| Charles Martin | Son | — | 23 | ~1907 |
| Minnie Martin | Daughter | — | 16 | ~1914 |
| Roy Martin | Son | — | 12 | ~1918 |
| Elmora Martin | Other | — | 44 | ~1886 |
| Frances Martin | Daughter | — | 1 | ~1929 |
| Viola Martin | Daughter | — | 6 | ~1924 |
| Lena Martin | Daughter | — | 21 | ~1909 |
| Clifford Martin | Son | — | 14 | ~1916 |
| Alice Martin | Other | — | 18 | ~1912 |
Census Appearances
1930
Winnebago, Illinois
Son, age 12
Winnebago, Illinois · implied b. ~1918 — 14 household members
| Surname | Martin |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Head, age 24
Winnebago-County, Illinois · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Royce |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Occupation | Blacksmith |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 375 |
| Highest Grade | 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Roy Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Roy Martin
Son · 1930 · age 12 · b. ~1918 · Illinois
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Sibling
Flora Martin
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Martin
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Martin
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lena Martin
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Martin
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Martin
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Martin
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jim Martin
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Martin
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hallie Martin
Sibling · 1930 · age 18
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 — Winnebago, Illinois
Open full size
1930 US Federal Census — Winnebago, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel571:0674)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Roy Nelson | 18 | Son | None | Illinois |
| 52 | Alfred Beers | 28 | Head | Station Agt | Illinois |
| 53 | Margaret Beers | 23 | Wife-H | None | Illinois |
| 54 | James Walsh | 31 | Head | Clerk | Illinois |
| 55 | Josephine Walsh | 31 | Wife-H | None | Illinois |
| 56 | Joanna Scott | 66 | Head | None | Sweden |
| 57 | Rolie Scott | 32 | Daughter | Stenographer | Illinois |
| 58 | Tirrie Prather | 41 | Head | Attorney | Illinois |
| 59 | Hazel Prather | 38 | Wife-H | None | Illinois |
| 60 | Patricia Ann Prather | 1 | Daughter | None | Illinois |
| 61 | Henry Light | 73 | Head | Veterinarian | Illinois |
| 62 | Amelia H. Light | 73 | Wife-H | None | Illinois |
| 63 | Bert C. Morgan | 72 | Head | Decorator | Indiana |
| 64 | Ella Morgan | 60 | Wife-H | Seamstress | Wisconsin |
| 65 | Herman H. Block | 53 | Head | Agent | Germany |
| 66 | Catherine S. Block | 52 | Wife-H | None | England |
| 67 | Loretta Block | 10 | Daughter | None | Illinois |
| 68 | Bert B. Sr. Thorn | 50 | Head | Inspector | Illinois |
| 69 | Blanche Thorn | 47 | Wife-H | None | Illinois |
| 70 | Vivian Thorn | 20 | Daughter | Stenographer | Illinois |
| 71 | Emily Thorn | 73 | Mother | None | Illinois |
| 72 | Annie Ritchie | 62 | Head | Laundress | Switzerland |
| 73 | Paul J. Ritchie | 19 | Son | Assistant Director | Illinois |
| 74 | Gilbert Smith | 58 | Head | Operator | Illinois |
| 75 | Edith Smith | 52 | Wife-H | Seamstress | Illinois |
| 76 | Oris Garvey | 36 | Head | Proprietor | Illinois |
| 77 | Josephine Garvey | 31 | Wife-H | None | Missouri |
| 78 | Phyllis L. Garvey | 11 | Daughter | None | Illinois |
| 79 | Jean Garvey | 8 | Daughter | None | Illinois |
| 80 | Muriel Ross | 21 | Servant | Servant | Wisconsin |
| 81 | Alma Wicks | 68 | Head | None | Illinois |
| 82 | George E. Wicks | 45 | Son | Carpenter | Illinois |
| 83 | Albert Martin | 53 | Head | Truck Driver | Illinois |
| 84 | Elmora Martin | 44 | Wife-H | None | Tennessee |
| 85 | Charles Martin | 23 | Son | Machinist | Illinois |
| 86 | Alice Martin | 18 | Daughter-L | None | Illinois |
| 87 | Flora Martin | 21 | Daughter | Folder | Illinois |
| 88 | Lena Martin | 21 | Daughter | Assembler | Illinois |
| 89 | Hallie Martin | 18 | Daughter | Folder | Illinois |
| 90 | Minnie Martin | 16 | Daughter | Servant | Illinois |
| 91 | Clifford Martin | 14 | Son | None | Illinois |
| 92 | Roy Martin THIS PERSON | 12 | Son | None | Illinois |
| 93 | Florence Martin | 10 | Daughter | None | Illinois |
| 94 | Viola Martin | 6 | Daughter | None | Illinois |
| 95 | Jim Martin | 4 | Son | None | Illinois |
| 96 | Frances Martin | 1 | Daughter | None | Illinois |
| 97 | Harold Ellis | 30 | Head | Baker | Iowa |
| 98 | Hazel Ellis | 24 | Wife-H | None | Iowa |
| 99 | Dorothy Ellis | 3 | Daughter | None | Illinois |
| 100 | Doris Ellis | 1 | Daughter | None | Illinois |
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)