MD
Mary Dunlap — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jackson-County, Missouri
Our Model Tree links this Mary Dunlap across the 1920, 1930 and 1940 US Censuses in Jackson-County, Missouri (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 3-person household.
Age 61
b. ~1879
Female
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Missouri |
| Surname | Dunlap |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | Secretary |
| Industry | Life Insurance |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1200 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Secretary |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1879 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Ellfeldt | Daughter | — | 18 | ~1922 |
| Mary Dunlap | Head | — | 61 | ~1879 |
| Mary Ellfeldt | Daughter | — | 39 | ~1901 |
Census Appearances
1920
Jackson, Missouri
Spouse, age 40
Jackson, Missouri · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunlap |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Boston Mass |
| Mother's Birthplace | Boston Mass |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Jackson, Missouri
Spouse, age 51
Jackson, Missouri · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunlap |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 19 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | N. Brunswick |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Jackson-County, Missouri
Head, age 61
Jackson-County, Missouri · implied b. ~1879 — 3 household members
| Surname | Dunlap |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Occupation | Secretary |
| Industry | Life Insurance |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1200 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Dunlap across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Dunlap
Head · 1940 · age 61 · b. ~1879 · Missouri
★ 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 — Jackson-County, Missouri
Open full size
1940 US Federal Census — Jackson-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02170-00542)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary L Webster | 8 | Daughter | — | Missouri |
| 42 | Mary E Dunlap THIS PERSON | 61 | Head | Secretary | Massachusetts |
| 43 | Mary E Ellfeldt | 39 | Daughter | Secretary | Massachusetts |
| 44 | Marjorie Ellfeldt | 18 | Daughter | — | Missouri |
| 45 | Arthur E Barrett | 65 | Head | Special Salesman | Texas |
| 46 | Maudie Barrett | 39 | Wife | — | Missouri |
| 47 | Betty A Barrett | 16 | Daughter | — | Missouri |
| 48 | Fred W Moore | 59 | Head | Manager | Pennsylvania |
| 49 | Hester E Moore | 59 | Wife | — | Missouri |
| 50 | Theodore C Tenney | 29 | Lodger | Accountant | Kansas |
| 51 | Charles F Debrunner | 55 | Head | Auditor | Missouri |
| 52 | Helen M Debrunner | 53 | Wife | — | Iowa |
| 53 | Roger R Schuster | 21 | Servant | Servant | Missouri |
| 54 | Alfred E Talbot | 48 | Head | Traveling Salesman | Nebraska |
| 55 | Ida H Talbot | 44 | Wife | — | Oklahoma |
| 56 | James A Talbot | 20 | Son | Clerk | Arkansas |
| 57 | Edward L Talbot | 18 | Son | — | Missouri |
| 58 | Roland F Hall | 20 | Lodger | General Office Clerk | Iowa |
| 59 | Meyer Wechsler | 70 | Head | — | Rumania |
| 60 | Edith Wechsler | 39 | Daughter | Stenographer | Missouri |
| 61 | David L Wechsler | 37 | Son | Salesman | Missouri |
| 62 | Joseph S Wechsler | 35 | Son | Teller | Missouri |
| 63 | Genevieve Black | 30 | Boarder | — | Missouri |
| 64 | Berndert Ascher | 40 | Head | Manager | Nevada |
| 65 | Helen L Ascher | 37 | Wife | — | New York |
| 66 | James S Ascher | 11 | Son | — | Missouri |
| 67 | Thelma M Beasley | 42 | Servant | Servant | Arkansas |
| 68 | John M Hail | 35 | Head | Salesman | Missouri |
| 69 | Helen J Hail | 35 | Wife | — | Missouri |
| 70 | Ann E Hail | 8 | Daughter | — | Missouri |
| 71 | Don M Hail | 5 | Son | — | Missouri |
| 72 | Charles M Mulloy | 63 | Head | Fire Chief | Kansas |
| 73 | Mary B Mulloy | 63 | Wife | — | Missouri |
| 74 | Charles Mulloy | 29 | Son | Owner | Missouri |
| 75 | Dalton F Mulloy | 28 | Son | Clerk | Missouri |
| 76 | Edward Mulloy | 35 | Son | Switchman | Missouri |
| 77 | Marie W Mulloy | 35 | Daughter-in-law | — | Missouri |
| 78 | Mary P Mulloy | 4 | Granddaughter | — | Missouri |
| 79 | Theodore Mulloy | 65 | Brother-in-law | Custodian | Missouri |
| 80 | Katherine T Sherit | 68 | Head | — | Missouri |
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)