MW
Mary Waters — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Mary Waters across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1862), then head of a 2-person household.
Age 78
b. ~1862
Female
Head
Born: Maryland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Waters |
| Given Name | Mary S. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1862 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Louise Waters | Daughter | — | 52 | ~1888 |
| Mary Waters | Head | — | 78 | ~1862 |
Census Appearances
1920
Baltimore, Maryland
Head, age 60
Baltimore, Maryland · implied b. ~1860 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Waters |
| Given Name | Mary S. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 68
Baltimore, Maryland · implied b. ~1862 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Waters |
| Given Name | Mary S. H. |
| Relationship to Head | Head-H |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 65 |
| Radio Set | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 78
Baltimore-City-County, Maryland · implied b. ~1862 — 2 household members
| Surname | Waters |
| Given Name | Mary S. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 Waters across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Waters
Head · 1940 · age 78 · b. ~1862 · Maryland
★ 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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01523-00068)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Boyd R. B. Howarth | 29 | Head | Episcopal Minister | New Jersey |
| 42 | Beverly Howarth | 25 | Wife | — | Virginia |
| 43 | Elizabeth Meeker | 72 | Head | — | Canada-English |
| 44 | Mary Redcross | 50 | Employee | Servant | Virginia |
| 45 | Sarah Hume | 56 | Head | — | Maryland |
| 46 | Mabel F. Cull | 67 | Sister | — | Maryland |
| 47 | Natalie Purnell | 32 | Niece | — | New York |
| 48 | Janet L. Robey | 50 | Head | — | Maryland |
| 49 | Janet B. Robey | 22 | Daughter | Unemployed | Maryland |
| 50 | David W. Robey | 19 | Son | — | N. Carolina |
| 51 | Joseph D. Stack | 75 | Head | — | Maryland |
| 52 | J. Paul Lantz | 50 | Son-in-law | Salesman | Maryland |
| 53 | Dolores S. Lantz | 48 | Daughter | Secretary | Maryland |
| 54 | Upton S. Brady | 67 | Head | Purchasing Agent | Maryland |
| 55 | Anne T. Brady | 62 | Wife | — | Maryland |
| 56 | Eleanor M. Brady | 35 | Daughter | State Employment Service | Maryland |
| 57 | Lucille Van Gulden | 46 | Head | — | Maryland |
| 58 | Norman F. Van Gulden | 18 | Son | — | Maryland |
| 59 | Paula Van Gulden | 16 | Daughter | — | Maryland |
| 60 | Mary Focke | 54 | Head | Clerical | Maryland |
| 61 | Mary W. Miller | 82 | Head | — | Missouri |
| 62 | Daniel Miller | 50 | Son | Clerical | Maryland |
| 63 | Mary W. Miller | 47 | Daughter | — | Maryland |
| 64 | Helen M. Thompson | 67 | Head | — | Maryland |
| 65 | Marjorie D. Thompson | 40 | Daughter | — | Maryland |
| 66 | Mary S. Waters THIS PERSON | 78 | Head | — | Maryland |
| 67 | Louise S. Waters | 52 | Daughter | Clerical | Maryland |
| 68 | Mary A. Waters | 83 | Head | Retired Medical Doctor | Maryland |
| 69 | Jattie I. Waters | 72 | Sister | — | Maryland |
| 70 | Lillie E. Wilmer | 70 | Head | — | Maryland |
| 71 | Peter R. Gill | 26 | Head | Salesman | Washington D.C. |
| 72 | Elizabeth D. Gill | 22 | Wife | Selling | Maryland |
| 73 | Lana S. Emory | 70 | Head | — | Maryland |
| 74 | Sarah Coleman | 71 | Head | — | Wisconsin |
| 75 | Louise Sherwin | 75 | Friend | — | Missouri |
| 76 | Henrietta Scott | 62 | Employee | Servant | France |
| 77 | John George Vogeler | 42 | Head | Lawyer | Maryland |
| 78 | Carol W. Vogeler | 37 | Wife | — | Maryland |
| 79 | Anne E. Vogeler | 11 | Daughter | — | 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)