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Louis Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Macomb, Michigan
Our Model Tree links this Louis Thomas across the 1930 and 1940 US Censuses in Macomb, Michigan (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 8-person household.
Age 12
b. ~1918
Male
Son
Born: Canada
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Macomb, Michigan |
| Surname | Thomas |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Canada |
| Naturalization Status | Alien |
| Year of Immigration | 1925 |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
| Township / Ward | Warren Township Pt |
| 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Julia Thomas | Spouse | — | 39 | ~1891 |
| Louis Thomas | Son | — | 12 | ~1918 |
| Joseph Thomas | Son | — | 14 | ~1916 |
| Elizabeth Thomas | Daughter | — | 10 | ~1920 |
| Catherine Thomas | Daughter | — | 7 | ~1923 |
| Frank Thomas | Son | — | 5 | ~1925 |
| John Thomas | Head | — | 46 | ~1884 |
| Stephen Thomas | Son | — | 8 | ~1922 |
Census Appearances
1930
Macomb, Michigan
Son, age 12
Macomb, Michigan · implied b. ~1918 — 8 household members
| Surname | Thomas |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Canada |
| Naturalization Status | Alien |
| Year of Immigration | 1925 |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1940
Macomb-County, Michigan
Son, age 22
Macomb-County, Michigan · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Lewis |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Canada |
| 1935 Residence (City) | Van Dyke |
| 1935 Residence (County) | Macomb |
| Naturalization Status | First papers filed |
| Occupation | door hanger |
| Industry | Auto Ind |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 1000 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
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 Louis Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louis Thomas
Son · 1930 · age 12 · b. ~1918 · Michigan
★ You are viewing this record
Sibling
Joseph Thomas
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stephen Thomas
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Thomas
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Thomas
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Thomas
Sibling · 1930 · age 7
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 — Macomb, Michigan
Open full size
1930 US Federal Census — Macomb, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel1009:0934)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Anton Richard | 12 | Head | — | Michigan |
| 52 | Earl M. Bartsch | 32 | Head | Plasterer | Michigan |
| 53 | Mary Bartsch | 32 | Wife | — | Pennsylvania |
| 54 | Susan Bartsch | 4 | Daughter | — | Michigan |
| 55 | Harry Gruber | 48 | Head | Janitor | Indiana |
| 56 | Hayden Compton | 54 | Head | Carpenter | Kentucky |
| 57 | Matilda Compton | 50 | Wife | Usher | Kentucky |
| 58 | Boley Compton | 14 | Son | — | Kentucky |
| 59 | Edna Compton | 12 | Daughter | — | Illinois |
| 60 | Bernadine Compton | 9 | Daughter | — | Michigan |
| 61 | Eugene Compton | 9 | Son | — | Michigan |
| 62 | William Bredow | 58 | Head | Carpenter | Michigan |
| 63 | Milton Bell | 28 | Son in law | Battery Hand | Michigan |
| 64 | Florence Bell | 20 | Daughter | — | Michigan |
| 65 | Charles Robillard | 27 | Head | Metal Worker | Canada |
| 66 | Rosa Robillard | 25 | Wife | — | Canada |
| 67 | Virgil Robillard | 2 | Son | — | Michigan |
| 68 | John Thomas | 46 | Head | Laborer | Hungary |
| 69 | Julia Thomas | 39 | Wife | — | Hungary |
| 70 | Joseph Thomas | 14 | Son | — | Canada |
| 71 | Louis Thomas THIS PERSON | 12 | Son | — | Canada |
| 72 | Elizabeth Thomas | 10 | Daughter | — | Canada |
| 73 | Stephen Thomas | 8 | Son | — | Canada |
| 74 | Catherine Thomas | 7 | Daughter | — | Canada |
| 75 | Frank Thomas | 5 | Son | — | Canada |
| 76 | Robert Lewis | 44 | Head | Trimmer | Minnesota |
| 77 | Ruby Lewis | 41 | Wife | — | South Dakota |
| 78 | Joseph Pleimann | 32 | Head | Metal Worker | Ohio |
| 79 | Mary Pleimann | 31 | Wife | — | Kentucky |
| 80 | Charles Pleimann | 10 | Son | — | Michigan |
| 81 | Josephine Pleimann | 9 | Daughter | — | Michigan |
| 82 | William Pleimann | 6 | Son | — | Michigan |
| 83 | Bernard Pleimann | 5 | Son | — | Kentucky |
| 84 | Alice Pleimann | 3 | Daughter | — | Ohio |
| 85 | Dorothy Pleimann | 1 | Daughter | — | Ohio |
| 86 | John C. Bull | 49 | Head | Machinist | Canada |
| 87 | Mary E. Bull | 53 | Wife | — | Canada |
| 88 | William R. Bull | 21 | Son | Asst. Mang. | Michigan |
| 89 | Clarence Bull | 16 | Son | Prod. Clerk | Michigan |
| 90 | Beulah Bull | 14 | Daughter | — | Michigan |
| 91 | Isabell C. Bull | 13 | Daughter | — | Michigan |
| 92 | Edward Mills | 37 | Head | Tool Maker | Pennsylvania |
| 93 | Grace Mills | 31 | Wife | — | Pennsylvania |
| 94 | Margie Mills | 12 | Daughter | — | Pennsylvania |
| 95 | Clifford Mills | 10 | Son | — | Pennsylvania |
| 96 | Charles Mills | 8 | Son | — | Michigan |
| 97 | Jack Mills | 5 | Son | — | Michigan |
| 98 | Edward Jr. Mills | 3 | Son | — | Michigan |
| 99 | Marita Mills | 1 | Daughter | — | Michigan |
| 100 | Marian Mills | 0 | Daughter | — | 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)