MS
Mary Stephens — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boone-County, Missouri
Our Model Tree links this Mary Stephens across the 1930 and 1940 US Censuses in Boone-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Missouri |
| Surname | Stephens |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Bourbon Township |
| 1935 Residence (County) | Boone County |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | S 6 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Bourbon Township |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Stephens | Daughter | — | 17 | ~1923 |
| Mary Stephens | Daughter | — | 13 | ~1927 |
| L Stephens | Head | — | 59 | ~1881 |
| James Stephens | Son | — | 21 | ~1919 |
| Robert Stephens | Son | — | 23 | ~1917 |
| Charles Stephens | Son | — | 7 | ~1933 |
| Lee Stephens | Son | — | 26 | ~1914 |
| Brown Stephens | Son | — | 30 | ~1910 |
| Roy Stephens | Son | — | 33 | ~1907 |
| Nellie Stephens | Spouse | — | 52 | ~1888 |
Census Appearances
1930
Boone, Missouri
Daughter, age 3
Boone, Missouri · implied b. ~1927 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stephens |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Boone-County, Missouri
Daughter, age 13
Boone-County, Missouri · implied b. ~1927 — 10 household members
| Surname | Stephens |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Bourbon Township |
| 1935 Residence (County) | Boone County |
| Income (1939) | 0 |
| Highest Grade | S 6 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Stephens across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Stephens
Daughter · 1940 · age 13 · b. ~1927 · Missouri
★ You are viewing this record
Sibling
Lee Stephens
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Stephens
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Stephens
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Stephens
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Brown Stephens
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Stephens
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Stephens
Sibling · 1940 · age 21
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 — Boone-County, Missouri
Open full size
1940 US Federal Census — Boone-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02086-00025)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Delmer Sims | 16 | Son | — | Missouri |
| 42 | Chalmer Sims | 14 | Son | — | Missouri |
| 43 | Doris Sims | 11 | Daughter | — | Missouri |
| 44 | Vergie Adale Sims | 5 | Daughter | — | Missouri |
| 45 | George B. Yarrow | 76 | Head | Farmer | Missouri |
| 46 | Lily Yarrow | 69 | Wife | — | Missouri |
| 47 | Curtis Newman | 27 | Stepson | Farmer | Missouri |
| 48 | Wesley Clarkston | 34 | Lodger | Farmer | Missouri |
| 49 | Jennie Clarkston | 23 | Lodger wife | — | Missouri |
| 50 | Evelyn Clarkston | 7 | Lodger daug | — | Missouri |
| 51 | Lawrence Clarkston | 4 | Lodger son | — | Missouri |
| 52 | James Franklin Clarkston | 2 | Lodger son | — | Missouri |
| 53 | George M. Spears | 25 | Head | Farmer | Missouri |
| 54 | Berniece Spears | 16 | Wife | — | Missouri |
| 55 | Marion Lee Spears | 2 | Son | — | Missouri |
| 56 | L. A. Stephens | 59 | Head | Trucking | Missouri |
| 57 | Nellie Stephens | 52 | Wife | — | Missouri |
| 58 | Roy Stephens | 33 | Son | Truck Driver | Missouri |
| 59 | Brown Stephens | 30 | Son | Grocery Clerk | Missouri |
| 60 | Lee Stephens | 26 | Son | Farmer | Missouri |
| 61 | Robert Stephens | 23 | Son | Grocery Clerk | Missouri |
| 62 | James Stephens | 21 | Son | Truck Driver | Missouri |
| 63 | Ruth Stephens | 17 | Daughter | — | Missouri |
| 64 | Mary Stephens THIS PERSON | 13 | Daughter | — | Missouri |
| 65 | Charles Stephens | 7 | Son | — | Missouri |
| 66 | W. W. Zumwalt | 66 | Head | Farmer | Missouri |
| 67 | Ida Lena Zumwalt | 62 | Wife | — | Missouri |
| 68 | Martin L. Zumwalt | 30 | Son | Farmer | Missouri |
| 69 | Carl Zumwalt | 26 | Son | — | Missouri |
| 70 | Wilma Zumwalt | 21 | Daughter | — | Missouri |
| 71 | Ella D. Lindsay | 71 | Head | — | Missouri |
| 72 | Anna Beazley | 63 | Sister | — | Missouri |
| 73 | Shannon D. Taylor | 57 | Head | Farmer | Missouri |
| 74 | Jack Taylor | 30 | Son | Farmer | Missouri |
| 75 | Blake Taylor | 24 | Son | Farmer | Missouri |
| 76 | Helen Taylor | 20 | Daughter | — | Missouri |
| 77 | Ray Taylor | 6 | Grandson | — | Missouri |
| 78 | Rolla Taylor | 4 | Granddaug | — | Missouri |
| 79 | Wanda Taylor | 0 | Granddaug | — | Missouri |
| 80 | John D. Proctor | 68 | Head | Farmer | Missouri |
Related Census Records
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)