JB
John Baird — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Routt-County, Colorado
Our Model Tree links this John Baird across the 1930 and 1940 US Censuses in Routt-County, Colorado (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Routt-County, Colorado |
| Surname | Baird |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Hayden town |
| 1935 Residence (County) | Routt |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Hayden Town |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Phyllis Baird | Daughter | — | 18 | ~1922 |
| Earl Baird | Head | — | 34 | ~1906 |
| Gareth Baird | Son | — | 16 | ~1924 |
| John Baird | Son | — | 12 | ~1928 |
| Ralph Baird | Son | — | 6 | ~1934 |
| Alma Baird | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Routt, Colorado
Son, age 2
Routt, Colorado · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baird |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Colorado |
| Occupation | none |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Routt-County, Colorado
Son, age 12
Routt-County, Colorado · implied b. ~1928 — 6 household members
| Surname | Baird |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Hayden town |
| 1935 Residence (County) | Routt |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 John Baird across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Baird
Son · 1940 · age 12 · b. ~1928 · Colorado
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Sibling
Phyllis Baird
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Baird
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gareth Baird
Sibling · 1940 · age 16
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 — Routt-County, Colorado
Open full size
1940 US Federal Census — Routt-County, Colorado
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00479-00115)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alva Jones | 69 | Head | Farmer | Iowa |
| 2 | Florence S. Jones | 65 | Wife | — | Ohio |
| 3 | Melvin Jones | 31 | Son | Bookkeeper | Colorado |
| 4 | C. M. Cline | 27 | Head | Day Laborer | Wyoming |
| 5 | Vera Cline | 31 | Wife | Beauty Operator | Texas |
| 6 | Joyce Cline | 7 | Daughter | — | Texas |
| 7 | Caird Brunt | 57 | Head | Lumberyard Manager | Nebraska |
| 8 | Orissa Brunt | 52 | Wife | — | Kansas |
| 9 | E. L. Beasly | 47 | Head | Forest Ranger | Minnesota |
| 10 | Edna Beasly | 34 | Wife | — | Oklahoma |
| 11 | Dell R. Haller | 37 | Head | Filling Station Manager | Nebraska |
| 12 | Cleone Haller | 33 | Wife | — | Missouri |
| 13 | Guy Kimsey | 44 | Head | Owner And Operator | Missouri |
| 14 | Blanche C. Kimsey | 44 | Wife | — | Colorado |
| 15 | Lois Kimsey | 20 | Daughter | Clerk | Colorado |
| 16 | Sarah J. Hodge | 80 | Head | — | England |
| 17 | George Jones | 72 | Head | Plumber | Iowa |
| 18 | Lela Jones | 64 | Wife | Bell Collector | Illinois |
| 19 | Stanley Brooks | 51 | Head | Salesman | Colorado |
| 20 | Ione Brooks | 47 | Wife | — | Colorado |
| 21 | Norris George | 23 | Son-in-law | Tipple Man | Colorado |
| 22 | Ruth George | 29 | Daughter | — | Kansas |
| 23 | Lade Schonig | 29 | Lodger | Pharmacist | Minnesota |
| 24 | Paul Starbuck | 26 | Lodger | Coach And Agricultural Instructor | Colorado |
| 25 | Earl Baird | 34 | Head | Teacher | Pennsylvania |
| 26 | Alma Baird | 37 | Wife | — | Colorado |
| 27 | Phyllis Baird | 18 | Daughter | — | Colorado |
| 28 | Gareth Baird | 16 | Son | — | Colorado |
| 29 | John Baird THIS PERSON | 12 | Son | — | Colorado |
| 30 | Ralph Baird | 6 | Son | — | Colorado |
| 31 | Benjamin H. Sandervook | 66 | Head | Foreman | Kansas |
| 32 | Alice Sandervook | 60 | Wife | — | Colorado |
| 33 | Delbert H. Sandervook | 24 | Son | Clerk | Colorado |
| 34 | Alfred H. Sandervook | 24 | Son | Postal Clerk | Colorado |
| 35 | Alma Tucker | 19 | Daughter | Cook | Colorado |
| 36 | Benjamin H. Jr. Sandervook | 16 | Son | — | Colorado |
| 37 | Clara Lucille Sandervook | 4 | Daughter | — | Colorado |
| 38 | Luther H. Cobb | 49 | Head | Livestock Feeder | Missouri |
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)