AS
Alexander Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Alexander Smith across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed) — first a head (b.~1863), then head of a 4-person household.
Age 77
b. ~1863
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Smith |
| Given Name | Alexander |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Denver |
| Est. Birth Year | ~1863 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alexander | Age | Birth yr |
|---|---|---|---|---|
| Jessie Smith | Spouse | — | 76 | ~1864 |
| James Smith | Son | — | 53 | ~1887 |
| Robert Smith | Son | — | 51 | ~1889 |
| Alexander Smith | Head | — | 77 | ~1863 |
Census Appearances
1920
Denver, Colorado
Head, age 57
Denver, Colorado · implied b. ~1863 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Alexander |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Yard man |
| Industry | Lumber Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Scotland |
| Year of Naturalization | un |
| Birthplace (normalized) | scotland |
1930
Denver, Colorado
Head, age 67
Denver, Colorado · implied b. ~1863 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Alexander |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Denver-County, Colorado
Head, age 77
Denver-County, Colorado · implied b. ~1863 — 4 household members
| Surname | Smith |
| Given Name | Alexander |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Alexander Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alexander Smith
Head · 1940 · age 77 · b. ~1863 · Colorado
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00484-00754)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Irene H Kornnecker | 25 | Wife | — | Colorado |
| 42 | Jack H Kornnecker | 3 | Son | — | Colorado |
| 43 | James L Kornnecker | 0 | Son | — | Colorado |
| 44 | Alexander Smith THIS PERSON | 77 | Head | — | Scotland |
| 45 | Jessie B Smith | 76 | Wife | — | Scotland |
| 46 | James G Smith | 53 | Son | Operator | Scotland |
| 47 | Robert W Smith | 51 | Son | Operator | Canada English |
| 48 | Eugene H Pendleton | 48 | Head | Mill Foreman | Kansas |
| 49 | Loretta E Pendleton | 46 | Wife | — | Colorado |
| 50 | Lester A Pendleton | 17 | Son | — | Colorado |
| 51 | Walter C Pendleton | 9 | Son | — | Colorado |
| 52 | Elbert E Grier | 36 | Head | Lineman | Kansas |
| 53 | Luetta M Grier | 33 | Wife | — | North Dakota |
| 54 | Richard L Grier | 7 | Son | — | North Dakota |
| 55 | Audrey M Grier | 3 | Daughter | — | North Dakota |
| 56 | Claude O Carter | 51 | Head | Electric Welder | Indiana |
| 57 | Blanche M Carter | 46 | Wife | — | Nebraska |
| 58 | Lola B Carter | 17 | Daughter | — | Nebraska |
| 59 | Walter E Brown | 44 | Head | Truck Superintendent | Nebraska |
| 60 | Betty M Brown | 38 | Wife | — | Iowa |
| 61 | Henry V Rice | 72 | Head | — | Indiana |
| 62 | Zella A Rice | 66 | Wife | — | Indiana |
| 63 | William T-Ab Fox | 68 | Head | — | Pennsylvania |
| 64 | Meta M Fox | 68 | Wife | — | Iowa |
| 65 | Henry Sedar | 69 | Head | — | Russia |
| 66 | Amelia Sedar | 67 | Wife | — | Russia |
| 67 | George W Carter | 63 | Head | — | Mississippi |
| 68 | Elsie E Carter | 57 | Wife | — | Nebraska |
| 70 | John W Prussner | 49 | Head | Farmer | Missouri |
| 71 | Dorothy M Prussner | 44 | Wife | — | Missouri |
| 72 | Marjorie A Prussner | 27 | Daughter | Stenographer | Missouri |
| 73 | Marcella Prussner | 24 | Daughter | Stenographer | Missouri |
| 74 | Evelyn E Prussner | 22 | Daughter | Secretary | Missouri |
| 75 | Mildred J Prussner | 19 | Daughter | Secretary | Missouri |
| 76 | Jack E Prussner | 14 | Son | — | Missouri |
| 77 | John A Johnsons | 48 | Head | General Contractor | Sweden |
| 78 | Emma S Johnsons | 45 | Wife | — | Denmark |
| 79 | Warren R Johnsons | 16 | Son | — | Colorado |
| 80 | Sophie M Johnsons | 13 | Daughter | — | Colorado |
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)