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Mary Glenn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dallas-County, Iowa
Our Model Tree links this Mary Glenn across the 1930 and 1940 US Censuses in Dallas-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 14-person household.
Age 18
b. ~1922
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dallas-County, Iowa |
| Surname | Glenn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Perry City |
| 1935 Residence (County) | Dallas |
| Additional Details | |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Perry City |
| Est. Birth Year | ~1922 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Glenn | Daughter | — | 18 | ~1922 |
| Beatrice Glenn | Daughter | — | 14 | ~1926 |
| Patrick Glenn | Son | — | 10 | ~1930 |
| James Glenn | Son | — | 11 | ~1929 |
| Thomas Glenn | Son | — | 1 | ~1939 |
| John Glenn | Son | — | 3 | ~1937 |
| Patricia Glenn | Daughter | — | 16 | ~1924 |
| Francis Glenn | Head | — | 39 | ~1901 |
| Rena Glenn | Spouse | — | 37 | ~1903 |
| Maurice Glenn | Son | — | 8 | ~1932 |
| Frances Glenn | Daughter | — | 13 | ~1927 |
| Charles Glenn | Son | — | 6 | ~1934 |
| Anna Glenn | Daughter | — | 14 | ~1926 |
| Margaret Glenn | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Dallas, Iowa
Daughter, age 8
Dallas, Iowa · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Glenn |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dallas-County, Iowa
Daughter, age 18
Dallas-County, Iowa · implied b. ~1922 — 14 household members
| Surname | Glenn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Perry City |
| 1935 Residence (County) | Dallas |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Mary Glenn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Glenn
Daughter · 1940 · age 18 · b. ~1922 · Iowa
★ You are viewing this record
Sibling
John Glenn
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Glenn
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Glenn
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maurice Glenn
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Glenn
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Glenn
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Glenn
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Glenn
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Glenn
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Glenn
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Glenn
Sibling · 1940 · age 1
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 — Dallas-County, Iowa
Open full size
1940 US Federal Census — Dallas-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01153-00523)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth Daniels | 15 | Daughter | — | Iowa |
| 42 | Edward E. Meacham | 79 | Head | — | Illinois |
| 43 | Alice T. Meacham | 76 | Wife | — | Missouri |
| 44 | H. O. Binns | 44 | Head | Barber | Iowa |
| 45 | Mary G. Binns | 43 | Wife | — | Iowa |
| 46 | B. H. Moore | 80 | Head | — | Missouri |
| 47 | Alice Moore | 66 | Wife | — | Iowa |
| 48 | Francis Glenn | 39 | Head | Timekeeper | Iowa |
| 49 | Rena Glenn | 37 | Wife | — | Iowa |
| 50 | Mary Glenn THIS PERSON | 18 | Daughter | — | Iowa |
| 51 | Patricia Glenn | 16 | Daughter | — | Iowa |
| 52 | Anna Rose Glenn | 14 | Daughter | — | Iowa |
| 53 | Beatrice Glenn | 14 | Daughter | — | Iowa |
| 54 | Frances Glenn | 13 | Daughter | — | Iowa |
| 55 | James Glenn | 11 | Son | — | Iowa |
| 56 | Patrick Glenn | 10 | Son | — | Iowa |
| 57 | Maurice Glenn | 8 | Son | — | Iowa |
| 58 | Margaret Glenn | 7 | Daughter | — | Iowa |
| 59 | Charles Glenn | 6 | Son | — | Iowa |
| 60 | John Edward Glenn | 3 | Son | — | Iowa |
| 61 | Thomas Glenn | 1 | Son | — | Iowa |
| 62 | Ends Block 1 And Begins Block 96 | None | — | — | — |
| 63 | Hans Moth | 57 | Head | Carpenter | Germany |
| 64 | Mary Moth | 55 | Wife | — | Germany |
| 65 | Howard Moth | 29 | Son | Attendant | Iowa |
| 66 | Earl Holdridge | 52 | Head | Locomotive Engineer | Iowa |
| 67 | Ethel Holdridge | 49 | Wife | — | Iowa |
| 68 | Francis L. Holdridge | 19 | Son | — | Iowa |
| 69 | Ends Block 96 And Begins Block 93 | None | — | — | — |
| 70 | Leo D. Bryant | 30 | Head | Agent | Iowa |
| 71 | Dorothy Bryant | 28 | Wife | — | Iowa |
| 72 | Linda Lee Bryant | 4 | Daughter | — | Iowa |
| 73 | Neil Vernon Bryant | 0 | Son | — | Iowa |
| 74 | Albert Miller | 28 | Head | Sales Supervisor | Iowa |
| 75 | Lola Miller | 41 | Wife | — | Iowa |
| 76 | Shirley Ann Miller | 15 | Daughter | — | Iowa |
| 77 | Barbara Miller | 13 | Daughter | — | Iowa |
| 78 | Sally Miller | 10 | Daughter | — | Iowa |
| 79 | W. A. Cellan | 49 | Head | Locomotive Engineer | Iowa |
| 80 | Irma Cellan | 37 | Wife | Demonstrating | Iowa |
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)