MS
Mary Saunders — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this Mary Saunders across the 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Saunders |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 3, Cross Roads |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 3 Cross Roads |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Saunders | Daughter | — | 17 | ~1923 |
| Jean Saunders | Daughter | — | 8 | ~1932 |
| Worthy Saunders | Son | — | 15 | ~1925 |
| Pearl Saunders | Spouse | — | 37 | ~1903 |
| Worthy Saunders | Head | — | 37 | ~1903 |
| Francis Saunders | Son | — | 14 | ~1926 |
| Harrison Saunders | Son | — | 11 | ~1929 |
| Mary Saunders | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Charles, Maryland
Daughter, age 3
Charles, Maryland · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sanders |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Charles-County, Maryland
Daughter, age 13
Charles-County, Maryland · implied b. ~1927 — 8 household members
| Surname | Saunders |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 3, Cross Roads |
| 1935 Residence (County) | Charles |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Saunders across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Saunders
Daughter · 1940 · age 13 · b. ~1927 · Maryland
★ You are viewing this record
Sibling
Harrison Saunders
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Saunders
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Worthy Saunders
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Saunders
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Saunders
Sibling · 1940 · age 14
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 — Charles-County, Maryland
Open full size
1940 US Federal Census — Charles-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01546-00107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Doris Deakins | 22 | Wife | — | Maryland |
| 2 | Wilton K. Deakins | 3 | Son | — | Maryland |
| 3 | Richard Madley | 47 | Head | Farmer | Maryland |
| 4 | Margaret L. Moore | 76 | Head | — | Virginia |
| 5 | Annie C. Moore | 32 | Son | Farmer | Maryland |
| 6 | Irene Brown | 30 | Daughter | — | Maryland |
| 7 | Worthy Saunders | 37 | Head | Attendant | Maryland |
| 8 | Pearl C. Saunders | 37 | Wife | — | Maryland |
| 9 | Dorothy M. Saunders | 17 | Daughter | — | Maryland |
| 10 | Worthy C. Saunders | 15 | Son | — | Maryland |
| 11 | Francis Saunders | 14 | Son | — | Maryland |
| 12 | Mary C. Saunders THIS PERSON | 13 | Daughter | — | Maryland |
| 13 | Harrison A. Saunders | 11 | Son | — | Maryland |
| 14 | Jean A. Saunders | 8 | Daughter | — | Maryland |
| 15 | Middleton L. Shannon | 52 | Head | Operator | Maryland |
| 16 | Loraine C. Shannon | 32 | Wife | — | Maryland |
| 17 | Gladys Shannon | 10 | Daughter | — | Maryland |
| 18 | Junnette C. Shannon | 6 | Daughter | — | Maryland |
| 19 | Cara Bowie | 17 | Daughter | — | Maryland |
| 20 | James Posey | 68 | Head | — | Maryland |
| 21 | Norman Posey | 29 | Son | F. Laborer | Maryland |
| 22 | Margaret D. Posey | 27 | Daughter in law | Laborer | Maryland |
| 23 | Francis Posey | 12 | Grandson | — | Maryland |
| 24 | Shirley Posey | 10 | Granddaughter | — | Maryland |
| 25 | Norman Jr. Posey | 8 | Grandson | — | Maryland |
| 26 | James H. Thompson | 63 | Head | Wood Cutter | Washington D.C. |
| 27 | George Burns | 38 | Head | Laborer Wpa | Maryland |
| 28 | Beatrice D. Burns | 33 | Wife | — | Maryland |
| 29 | Mary E. Burns | 13 | Daughter | — | Maryland |
| 30 | Earl C. Burns | 7 | Son | — | Maryland |
| 31 | Edward Burns | 5 | Son | — | Maryland |
| 32 | Alberta Burns | 3 | Daughter | — | Maryland |
| 33 | Sylvia M. Burns | 1 | Daughter | — | Maryland |
| 34 | Maggie O. Petery | 58 | Head | — | Maryland |
| 35 | S. Eugene Petery | 25 | Son | Carpenter Helper | Maryland |
| 36 | Gilbert M. Petery | 19 | Son | Farm Laborer | Maryland |
| 37 | Floyd Petery | 13 | Son | — | Maryland |
| 38 | Marie Effie Petery | 23 | Daughter | — | Maryland |
| 39 | Sherwood Petery | 1 | Grandson | — | Maryland |
| 40 | Dennis M. Petery | 35 | Head | Laborer | Maryland |
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)