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Mary Mcconnell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oklahoma-County, Oklahoma
Our Model Tree links this Mary Mcconnell across the 1920, 1930 and 1940 US Censuses in Oklahoma-County, Oklahoma (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 6-person household.
Age 67
b. ~1873
Female
Head
Born: Iowa
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Oklahoma-County, Oklahoma |
| Surname | McConnell |
| Given Name | Mary L |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Oklahoma City |
| 1935 Residence (County) | Oklahoma |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Oklahoma City |
| Est. Birth Year | ~1873 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcconnell | Head | — | 67 | ~1873 |
| Robert Draper | Other | — | 12 | ~1928 |
| Clarence Draper | Other | — | 34 | ~1906 |
| Thomas Draper | Other | — | 8 | ~1932 |
| Jean Draper | Other | — | 10 | ~1930 |
| Mary Draper | Daughter | — | 33 | ~1907 |
Census Appearances
1920
Oklahoma, Oklahoma
Spouse, age 46
Oklahoma, Oklahoma · implied b. ~1874 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McConnell |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Oklahoma, Oklahoma
Other, age 58
Oklahoma, Oklahoma · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McConnell |
| Given Name | Mary I. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 26 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Oklahoma-County, Oklahoma
Head, age 67
Oklahoma-County, Oklahoma · implied b. ~1873 — 6 household members
| Surname | McConnell |
| Given Name | Mary L |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Oklahoma City |
| 1935 Residence (County) | Oklahoma |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Mcconnell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcconnell
Head · 1940 · age 67 · b. ~1873 · Oklahoma
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Oklahoma-County, Oklahoma
Open full size
1940 US Federal Census — Oklahoma-County, Oklahoma
Page Contents
28 people indexed on this census page (nara:1940:m-t0627-03347-00561)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucinda E Chaffee | 44 | Wife | — | Arkansas |
| 42 | John Jr Chaffee | 21 | Son | — | Illinois |
| 43 | Millie Lou Chaffee | 20 | Daughter | Beauty Operator | Oklahoma |
| 44 | Fredrick P Chaffee | 17 | Son | — | Oklahoma |
| 45 | Lettie Chaffee | 72 | Mother | — | Iowa |
| 46 | Lynn D Tolliett | 42 | Head | Carrier | Texas |
| 47 | Iva Urse Tolliett | 34 | Wife | — | Oklahoma |
| 48 | Rex L Tolliett | 16 | Son | — | Texas |
| 49 | Helen Leigh Tolliett | 12 | Daughter | — | Oklahoma |
| 50 | Cynthia Jean Tolliett | 9 | Daughter | — | Oklahoma |
| 51 | John Robert Tolliett | 5 | Son | — | Oklahoma |
| 52 | Jerome Kay Tolliett | 1 | Son | — | Oklahoma |
| 53 | Richard R Jeffers | 38 | Head | — | Oklahoma |
| 54 | Roberta Jeffers | 35 | Wife | — | Oklahoma |
| 55 | Robert Jeffers | 12 | Son | — | Oklahoma |
| 56 | Judith Jeffers | 9 | Daughter | — | Oklahoma |
| 57 | Lee Glenn | 38 | Head | Rough Neck | Oklahoma |
| 58 | Lillian Glenn | 40 | Wife | — | Oklahoma |
| 59 | Lonnie Jr Brown | 17 | Son | — | Oklahoma |
| 60 | Kelvin Brown | 15 | Son | — | Oklahoma |
| 61 | Laura Black | 57 | Housekeeper | Housekeeper | Texas |
| 62 | Leota Black | 33 | Lodger | Saleswoman | Texas |
| 64 | Mary L Mcconnell THIS PERSON | 67 | Head | — | Iowa |
| 65 | Clarence D Draper | 34 | Son-in-law | Printer | Oklahoma |
| 66 | Mary N Draper | 33 | Daughter | — | Oklahoma |
| 67 | Robert D Draper | 12 | Grandson | — | Oklahoma |
| 68 | Jean Ellen Draper | 10 | Granddaughter | — | Oklahoma |
| 69 | Thomas M Draper | 8 | Grandson | — | Oklahoma |
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)