MM
Mary Mcdonnell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sevier-County, Arkansas
Our Model Tree links this Mary Mcdonnell across the 1930 and 1940 US Censuses in Sevier-County, Arkansas (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 4-person household.
Age 57
b. ~1883
Female
Head
Born: Iowa
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Sevier-County, Arkansas |
| Surname | McDonnell |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Cornie Creek Twp |
| 1935 Residence (County) | Union |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Cornie Creek Twp |
| Est. Birth Year | ~1883 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcdonnell | Head | — | 57 | ~1883 |
| Martha Mcdonnell | Daughter | — | 15 | ~1925 |
| Franklin Mcdonnell | Son | — | 22 | ~1918 |
| Francis Mcdonnell | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Sevier, Arkansas
Other, age 47
Sevier, Arkansas · implied b. ~1883 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Mary E |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Vermont |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Sevier-County, Arkansas
Head, age 57
Sevier-County, Arkansas · implied b. ~1883 — 4 household members
| Surname | McDonnell |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Cornie Creek Twp |
| 1935 Residence (County) | Union |
| Class of Worker | 0 |
| Highest Grade | H-2 |
| 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 Mcdonnell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcdonnell
Head · 1940 · age 57 · b. ~1883 · Arkansas
★ 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 — Sevier-County, Arkansas
Open full size
1940 US Federal Census — Sevier-County, Arkansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00176-00107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Franklin Meeks | 27 | Lodger | Laborer | Arkansas |
| 42 | Gus O. Johnson | 31 | Head | Laborer | Arkansas |
| 43 | Effie Johnson | 27 | Wife | — | Texas |
| 44 | Jackie Johnson | 6 | Daughter | — | Arkansas |
| 45 | Lavona Johnson | 3 | Daughter | — | Arkansas |
| 46 | Cecil O. Johnson | 22 | Head | Operate | Arkansas |
| 47 | Ruth E. Johnson | 20 | Wife | — | Arkansas |
| 48 | Anita Jane Johnson | 3 | Daughter | — | Arkansas |
| 49 | Jannie Johnson | 30 | Head | Operate | Arkansas |
| 50 | J. G. Johnson | 73 | Father | — | Arkansas |
| 51 | Dee Johnson | 23 | Sister | — | Arkansas |
| 52 | Morris Johnson | 22 | Brother | Attendant | Arkansas |
| 53 | Mae Johnson | 20 | Sister-in-law | — | Arkansas |
| 54 | Kay S. Johnson | 1 | Niece | — | Arkansas |
| 55 | O. H. Huckabee | 50 | Head | Operate | Arkansas |
| 56 | Hattie Huckabee | 48 | Wife | — | Ga |
| 57 | Kathline Coswee | 18 | Niece | — | Arkansas |
| 58 | Lyle Coswee | 14 | Niece | — | Arkansas |
| 59 | Jacob W. Hess | 41 | Head | Laborer | Texas |
| 60 | Willie Hess | 37 | Wife | — | Arkansas |
| 61 | Vivian Hess | 12 | Daughter | — | Arkansas |
| 62 | Naomi Hess | 11 | Daughter | — | Arkansas |
| 63 | Grady Hess | 9 | Daughter | — | Arkansas |
| 64 | Maurine Hess | 3 | Daughter | — | Arkansas |
| 65 | Ernest Van Voast | 34 | Head | Laborer | Okla |
| 66 | Yula Van Voast | 34 | Wife | — | Okla |
| 67 | Phillip Van Voast | 10 | Son | — | Kan |
| 68 | Nila Van Voast | 9 | Daughter | — | Kan |
| 69 | Richard Van Voast | 5 | Son | — | Arkansas |
| 70 | Mae S. Van Voast | 1 | Daughter | — | Arkansas |
| 71 | L. R. Ruille | 36 | Head | Operate | Texas |
| 72 | Lois Ruille | 31 | Wife | — | Arkansas |
| 73 | Doyd Ruille | 14 | Son | — | Arkansas |
| 74 | Joe L. Ruille | 10 | Son | — | Arkansas |
| 75 | Glenn Van Voast | 60 | Head | Operate | Kan |
| 76 | Aytcha Van Voast | 61 | Wife | — | Ky |
| 77 | Mary Mcdonnell THIS PERSON | 57 | Head | — | Iowa |
| 78 | Franklin Mcdonnell | 22 | Son | Laborer | Iowa |
| 79 | Francis Mcdonnell | 17 | Daughter | — | Arkansas |
| 80 | Martha Mcdonnell | 15 | Daughter | — | Arkansas |
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)