RL
Robert Lyons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Martin-County, Indiana
Our Model Tree links this Robert Lyons across the 1930 and 1940 US Censuses in Martin-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 8-person household.
Age 54
b. ~1886
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Martin-County, Indiana |
| Surname | Lyons |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Perry Township |
| 1935 Residence (County) | Martin |
| Additional Details | |
| Occupation | Farming |
| Industry | Own Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 520 |
| Highest Grade | 5 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Farming |
| Township / Ward | Perry Township |
| Est. Birth Year | ~1886 |
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 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Olive Lyons | Daughter | — | 19 | ~1921 |
| Henry Lyons | Son | — | 10 | ~1930 |
| Louisa Lyons | Son | — | 17 | ~1923 |
| Robert Lyons | Head | — | 54 | ~1886 |
| William Lyons | Son | — | 8 | ~1932 |
| Monford Lyons | Son | — | 14 | ~1926 |
| Vera Lyons | Spouse | — | 43 | ~1897 |
| Luther Lyons | Son | — | 11 | ~1929 |
Census Appearances
1930
Martin, Indiana
Head, age 44
Martin, Indiana · implied b. ~1886 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyon |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 31 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | General |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1200 |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Martin-County, Indiana
Head, age 54
Martin-County, Indiana · implied b. ~1886 — 8 household members
| Surname | Lyons |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Perry Township |
| 1935 Residence (County) | Martin |
| Occupation | Farming |
| Industry | Own Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 520 |
| Highest Grade | 5 |
| 1935 Residence | Same House |
| 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 Robert Lyons across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Lyons
Head · 1940 · age 54 · b. ~1886 · Indiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Martin-County, Indiana
Open full size
1940 US Federal Census — Martin-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01077-01007)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jennie Walton | 44 | Wife | — | Indiana |
| 42 | Alpha Jr Walton | 18 | Son | — | Indiana |
| 43 | Dimple Walton | 15 | Daughter | — | Indiana |
| 44 | Isaac Walton | 13 | Son | — | Indiana |
| 45 | Dwayne Walton | 2 | Son | — | Indiana |
| 46 | Robert Walker | 48 | Head | Farming | Indiana |
| 47 | Della Walker | 47 | Wife | — | Indiana |
| 48 | Laurena Walker | 11 | Daughter | — | Indiana |
| 49 | George Carmichael | 54 | Head | Laborer | Indiana |
| 50 | Anna Carmichael | 62 | Wife | — | Indiana |
| 51 | Johnston Helderman | 64 | Head | Farming | Indiana |
| 52 | Vivia Helderman | 58 | Wife | — | Indiana |
| 53 | William Slourdike | 42 | Son in law | Farming | Indiana |
| 54 | Classie Slourdike | 39 | Daughter | — | Indiana |
| 55 | Charles Jeffers | 62 | Head | Painter & Decor | Indiana |
| 56 | Etta Jeffers | 52 | Wife | — | Indiana |
| 57 | Lowell Jeffers | 23 | Son | Painter | Indiana |
| 58 | William Jeffers | 21 | Son | Painter | Indiana |
| 59 | Vera Jeffers | 14 | Daughter | — | Indiana |
| 60 | Robert Lyons THIS PERSON | 54 | Head | Farming | Indiana |
| 61 | Vera Lyons | 43 | Wife | — | Indiana |
| 62 | Olive Lyons | 19 | Daughter | — | Indiana |
| 63 | Louisa Lyons | 17 | Son | — | Indiana |
| 64 | Monford Lyons | 14 | Son | — | Indiana |
| 65 | Luther Lyons | 11 | Son | — | Indiana |
| 66 | Henry Lyons | 10 | Son | — | Indiana |
| 67 | William Lyons | 8 | Son | — | Indiana |
| 68 | Richard Milligan | 34 | Head | Farming | Illinois |
| 69 | Vangie Milligan | 23 | Wife | — | Indiana |
| 70 | Robert Milligan | 5 | Son | — | Indiana |
| 71 | Virginia Milligan | 4 | Daughter | — | Indiana |
| 72 | Vera Milligan | 2 | Daughter | — | Indiana |
| 73 | Anna Milligan | 1 | Daughter | — | Indiana |
| 74 | Foster Milligan | 0 | Son | — | Indiana |
| 75 | John Crays | 53 | Head | Farming | Indiana |
| 76 | Sarah Crays | 49 | Wife | — | Indiana |
| 77 | Earl Smith | 44 | Brother in law | Farming | Indiana |
| 78 | Maud Smith | 48 | Sister | — | Indiana |
| 79 | John Smith | 10 | Nephew | — | Indiana |
| 80 | Joseph Smith | 8 | Nephew | — | Indiana |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)