AS
Ann Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Olmsted-County, Minnesota
Our Model Tree links this Ann Smith across the 1930 and 1940 US Censuses in Olmsted-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 5-person household.
Age 12
b. ~1928
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Olmsted-County, Minnesota |
| Surname | Smith |
| Given Name | Ann L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Olmsted |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Rochester |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ann | Age | Birth yr |
|---|---|---|---|---|
| Robert Smith | Son | — | 10 | ~1930 |
| Ann Smith | Daughter | — | 12 | ~1928 |
| Howard Smith | Head | — | 36 | ~1904 |
| Emma Smith | Spouse | — | 35 | ~1905 |
| Eva Smith | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Olmsted, Minnesota
Other, age 1
Olmsted, Minnesota · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ann M. |
| Relationship to Head | Grandchild |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Olmsted-County, Minnesota
Daughter, age 12
Olmsted-County, Minnesota · implied b. ~1928 — 5 household members
| Surname | Smith |
| Given Name | Ann L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Olmsted |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Ann Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ann Smith
Daughter · 1940 · age 12 · b. ~1928 · Minnesota
★ You are viewing this record
Sibling
Robert Smith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Smith
Sibling · 1940 · age 8
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 — Olmsted-County, Minnesota
Open full size
1940 US Federal Census — Olmsted-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01944-00142)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John E. Sniffum | 33 | Head | Bartender | Minnesota |
| 42 | Lucille E. Sniffum | 24 | Wife | — | Minnesota |
| 43 | Walter L. Rieger | 27 | Head | Laborer | Minnesota |
| 44 | Joan E. Rieger | 24 | Wife | — | Minnesota |
| 45 | Sherry J. Rieger | 1 | Daughter | — | Minnesota |
| 46 | Thomas O. Smith | 41 | Head | Wood Sawyer | Minnesota |
| 47 | Leona M. Smith | 43 | Wife | — | Minnesota |
| 48 | Harold P. Lynaugh | 17 | Step son | Laborer | Minnesota |
| 49 | William Fifer | 64 | Head | Engineer | Minnesota |
| 50 | Rose Fifer | 49 | Wife | Checker | Minnesota |
| 51 | Ben Nissen | 42 | Head | Repair Man | Minnesota |
| 52 | Bertha Nissen | 35 | Wife | — | Minnesota |
| 53 | Eleanor A. Nissen | 15 | Daughter | — | Minnesota |
| 54 | Donald Nissen | 5 | Son | — | Minnesota |
| 55 | Bennie Nissen | 3 | Son | — | Minnesota |
| 56 | Ralph H. Day | 42 | Head | Truck Driver | Minnesota |
| 57 | Hilda E. Day | 36 | Wife | Laborer | Minnesota |
| 58 | John L. Miller | 55 | Head | Stone Mason | Minnesota |
| 59 | Jennie M. Miller | 40 | Wife | — | Minnesota |
| 60 | Ira C. Skinner | 29 | Head | Physician | Alabama |
| 61 | Maurine B. Skinner | 24 | Wife | — | Minnesota |
| 62 | Bernard Westgard | 32 | Head | Painter | Norway |
| 63 | Gudrid Westgard | 36 | Wife | — | Norway |
| 64 | Lyle C. Norton | 20 | Head | Clerk | Minnesota |
| 65 | Virginia M. Norton | 20 | Wife | — | Minnesota |
| 66 | Henry J. Griese | 30 | Head | Contractor | Minnesota |
| 67 | Myrtle Griese | 20 | Wife | — | Minnesota |
| 68 | Extra Line | None | — | — | — |
| 69 | Stephen B. Woodward | 45 | Head | Laborer | Minnesota |
| 70 | Clara L. Woodward | 48 | Wife | — | Minnesota |
| 71 | Anna L. Kregel | 50 | Mother in law | — | Minnesota |
| 72 | Myrtle Lee | 43 | Lodger | Waitress | Minnesota |
| 73 | Raymond Lee | 8 | Lodger | — | Minnesota |
| 74 | Howard H. Smith | 36 | Head | Sheet Metal Worker | Minnesota |
| 75 | Emma L. Smith | 35 | Wife | — | Wisconsin |
| 76 | Ann L. Smith THIS PERSON | 12 | Daughter | — | Minnesota |
| 77 | Robert H. Smith | 10 | Son | — | Minnesota |
| 78 | Eva M. Smith | 8 | Daughter | — | Minnesota |
| 79 | Milo B. Mieras | 39 | Head | Engineer | Iowa |
| 80 | Lillian Mieras | 33 | Wife | — | Minnesota |
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)