RL
Robert Lyons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Yellowstone-County, Montana
Our Model Tree links this Robert Lyons across the 1930 and 1940 US Censuses in Yellowstone-County, Montana (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Wyoming
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Yellowstone-County, Montana |
| Surname | Lyons |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wyoming |
| 1935 Residence (City) | Billings |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | G 6 |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
| Township / Ward | Billings |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Shirley Lyons | Daughter | — | 6 | ~1934 |
| James Lyons | Son | — | 15 | ~1925 |
| Elizabeth Lyons | Daughter | — | 18 | ~1922 |
| Cordie Lyons | Spouse | — | 48 | ~1892 |
| Judith Lyons | Daughter | — | ~1940 | |
| Leon Lyons | Head | — | 40 | ~1900 |
| Lucile Abney | Other | — | 19 | ~1921 |
| Robert Lyons | Son | — | 12 | ~1928 |
| Joan Lyons | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Yellowstone, Montana
Son, age 2
Yellowstone, Montana · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyons |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Wyoming |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Iowa |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
1940
Yellowstone-County, Montana
Son, age 12
Yellowstone-County, Montana · implied b. ~1928 — 9 household members
| Surname | Lyons |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wyoming |
| 1935 Residence (City) | Billings |
| Income (1939) | 0 |
| Highest Grade | G 6 |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
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
Son · 1940 · age 12 · b. ~1928 · Montana
★ You are viewing this record
Sibling
James Lyons
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Lyons
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Lyons
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Lyons
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Judith Lyons
Sibling · 1940 · age
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
1940 US Federal Census — Yellowstone-County, Montana
Open full size
1940 US Federal Census — Yellowstone-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02234-00154)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ellen Mella | 12 | Daughter | — | Montana |
| 42 | Eudora Mckellips | 28 | Head | Clerk | Montana |
| 43 | Charles Wolverton | 31 | Head | Salesman | Montana |
| 44 | Claire Wolverton | 40 | Wife | Stenographer | England |
| 45 | Geraldine Nelson | 20 | Step-daughter | Usherette | North Dakota |
| 46 | Eunice Nelson | 18 | Step-daughter | — | Montana |
| 47 | Paul O. Conrad | 42 | Head | Painter | California |
| 48 | Jocelyn Conrad | 41 | Wife | 1St Cook | North Dakota |
| 49 | James Whittack | 11 | Step-son | — | Montana |
| 50 | Lewis Downs | 46 | Head | Chiropractor | Indiana |
| 51 | Lucile O. Downs | 47 | Wife | — | Iowa |
| 52 | Linwood S. Downs | 20 | Son | — | Montana |
| 53 | Allen Downs | 14 | Son | — | Montana |
| 54 | Beverly Downs | 7 | Daughter | — | Montana |
| 55 | Lydia Foster | 63 | Mother-in-law | — | Minnesota |
| 56 | Edwin Sande | 62 | Head | Manager | Wisconsin |
| 57 | Jessie W. Sande | 59 | Wife | — | Illinois |
| 58 | Louis Doneman | 52 | Head | Real Estate | Missouri |
| 59 | Sarah O. Doneman | 52 | Wife | — | Wisconsin |
| 60 | Mable Komposh | 23 | Maid | Maid | Montana |
| 61 | Leon Lyons | 40 | Head | V. P. & Manager | Tennessee |
| 62 | Cordie O. Lyons | 48 | Wife | — | Iowa |
| 63 | Elizabeth A. Lyons | 18 | Daughter | Salesgirl | Montana |
| 64 | James Lyons | 15 | Son | — | Wyoming |
| 65 | Robert Lyons THIS PERSON | 12 | Son | — | Wyoming |
| 66 | Joan Lyons | 8 | Daughter | — | Montana |
| 67 | Shirley Lyons | 6 | Daughter | — | Montana |
| 68 | Judith Lyons | 0 | Daughter | — | Montana |
| 69 | Lucile Abney | 19 | Maid | Maid | Montana |
| 70 | Frank Patterson | 58 | Head | Pharmacist | Wisconsin |
| 71 | Minnie S. Patterson | 58 | Wife | — | Minnesota |
| 72 | Anna Werness | 74 | Sister-in-law | — | Norway |
| 73 | Edwin S. Karpett | 56 | Head | Manager | Wisconsin |
| 74 | Florence Karpett | 46 | Wife | — | Wisconsin |
| 75 | Mary Alice Karpett | 21 | Daughter | New Worker | Montana |
| 76 | Ruth Ann Karpett | 14 | Daughter | — | Montana |
| 77 | Lyna Woolfolk | 52 | Sister-in-law | Saleswoman | Wisconsin |
| 78 | Edith Watkins | 24 | Lodger | Latin Teacher | Montana |
| 79 | Worthington Smith | 44 | Head | Trainmaster | Vermont |
| 80 | Doris Huey Smith | 40 | Wife | — | New Jersey |
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)