MY
Mary Yates — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this Mary Yates across the 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 15-person household.
Age 11
b. ~1929
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Yates |
| Given Name | Mary O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Elect Dist 8 |
| Est. Birth Year | ~1929 |
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.
15 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lillian Yates | Daughter | — | 4 | ~1936 |
| Clara Yates | Spouse | — | 45 | ~1895 |
| James Yates | Son | — | 15 | ~1925 |
| John Yates | Son | — | 12 | ~1928 |
| William Yates | Son | — | 25 | ~1915 |
| Henry Yates | Head | — | 51 | ~1889 |
| Paul Yates | Son | — | 20 | ~1920 |
| Lee Yates | Son | — | 5 | ~1935 |
| Stephen Yates | Son | — | 14 | ~1926 |
| Mary Yates | Daughter | — | 18 | ~1922 |
| Mary Yates | Daughter | — | 11 | ~1929 |
| Clara Yates | Daughter | — | 23 | ~1917 |
| Robert Yates | Son | — | 9 | ~1931 |
| James Yates | Son | — | 21 | ~1919 |
| Katherine Yates | Daughter | — | 6 | ~1934 |
Census Appearances
1930
Charles, Maryland
Daughter, age
Charles, Maryland · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Yates |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| 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 11
Charles-County, Maryland · implied b. ~1929 — 15 household members
| Surname | Yates |
| Given Name | Mary O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Charles |
| Highest Grade | No 6 |
| 1935 Residence | Maryland |
| 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 Yates across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Yates
Daughter · 1940 · age 11 · b. ~1929 · Maryland
★ You are viewing this record
Sibling
Clara Yates
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Yates
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lee Yates
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Yates
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Yates
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Yates
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Yates
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Yates
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Yates
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stephen Yates
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Yates
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Yates
Sibling · 1940 · age 9
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-t0627-01546-00131)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Jr. Bowling | 44 | Head | Farmer | Maryland |
| 42 | Madiline Bowling | 36 | Wife | — | Maryland |
| 43 | Rose A. Bowling | 19 | Daughter | — | Maryland |
| 44 | Herbert N. Bowling | 29 | Son | Mechanic | Washington D.C. |
| 45 | Mary A. Bowling | 15 | Daughter | — | Maryland |
| 46 | Annie C. Bowling | 12 | Daughter | — | Maryland |
| 47 | Henry H. Bowling | 10 | Son | — | Maryland |
| 48 | Erma B. Bowling | 5 | Daughter | — | Maryland |
| 49 | Arnold E. Bowling | 3 | Son | — | Maryland |
| 50 | Henry F. Yates | 51 | Head | Trackman | Maryland |
| 51 | Clara G. Yates | 45 | Wife | — | Maryland |
| 52 | William H. Yates | 25 | Son | Laborer | Maryland |
| 53 | James H. Yates | 21 | Son | Laborer | Maryland |
| 54 | Clara M. Yates | 23 | Daughter | Maid | Maryland |
| 55 | Paul T. Yates | 20 | Son | Laborer | Maryland |
| 56 | James E. Yates | 15 | Son | Laborer | Maryland |
| 57 | Mary B. Yates | 18 | Daughter | Maid | Maryland |
| 58 | Stephen P. Yates | 14 | Son | — | Maryland |
| 59 | John L. Yates | 12 | Son | — | Maryland |
| 60 | Mary O. Yates THIS PERSON | 11 | Daughter | — | Maryland |
| 61 | Robert L. Yates | 9 | Son | — | Maryland |
| 62 | Katherine G. Yates | 6 | Daughter | — | Maryland |
| 63 | Lee A. Yates | 5 | Son | — | Maryland |
| 64 | Lillian M. Yates | 4 | Daughter | — | Maryland |
| 65 | Thomas H. Bowling | 63 | Head | Farmer | Virginia |
| 66 | Daisy M. Bowling | 52 | Wife | — | Maryland |
| 67 | George S. Bowling | 23 | Son | Farmer | Maryland |
| 68 | Tilden H. Bowling | 21 | Son | Laborer | Maryland |
| 69 | Thomas F. Bowling | 19 | Son | Farmer | Maryland |
| 70 | Philip M. Bowling | 15 | Son | Farmer | Maryland |
| 71 | Ethel A. Bowling | 12 | Daughter | — | Maryland |
| 72 | Mary C. Bowling | 20 | Daughter | — | Maryland |
| 73 | George T. Bowling | 2 | Grandson | — | Maryland |
| 74 | Charles H. Bowling | 1 | Grandson | — | Maryland |
| 75 | Roger C. Bowling | 4 | Son | — | Maryland |
| 76 | Alfred Hardy | 54 | Head | Conductor | Maryland |
| 77 | Sarah B. Hardy | 54 | Wife | — | Maryland |
| 78 | Alfred O. Hardy | 24 | Son | Farmer | Maryland |
| 79 | John J. Irwin | 74 | Head | Blacksmith | Maryland |
| 80 | Daniel R. Irwin | 62 | Brother | Farmer | Maryland |
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)