HW
Helen Watson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Helen Watson across the 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Watson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Fairlawn, Dundalk, St. Helena, Turner Station |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Fairlawn Dundalk St Helena Turner Station |
| Est. Birth Year | ~1925 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Jerome Watson | Son | — | 5 | ~1935 |
| Rommie Watson | Head | — | 30 | ~1910 |
| Carrington Peard | Other | — | 55 | ~1885 |
| Helen Watson | Daughter | — | 15 | ~1925 |
| Marjorie Watson | Daughter | — | 12 | ~1928 |
| James Watson | Son | — | ~1940 | |
| Pauline Peard | Other | — | 29 | ~1911 |
| Geraldine Watson | Daughter | — | 5 | ~1935 |
| Delois Hires | Other | — | 8 | ~1932 |
| Mary Watson | Spouse | — | 26 | ~1914 |
| Frances Watson | Daughter | — | 3 | ~1937 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 3
Baltimore, Maryland · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Daughter, age 15
Baltimore-County, Maryland · implied b. ~1925 — 11 household members
| Surname | Watson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Fairlawn, Dundalk, St. Helena, Turner Station |
| 1935 Residence (County) | Baltimore |
| Highest Grade | No 6 |
| 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 Helen Watson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Watson
Daughter · 1940 · age 15 · b. ~1925 · Maryland
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Sibling
Marjorie Watson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Watson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Watson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerome Watson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Watson
Sibling · 1940 · age 5
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 — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01506-00403)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lillie Catter | 29 | Sister-in-law | General Housework | Virginia |
| 2 | Thelma Catter | 11 | Niece | — | Virginia |
| 3 | Norman Catter | 10 | Nephew | — | Virginia |
| 4 | Margaret Catter | 8 | Niece | — | Virginia |
| 5 | Percy Catter | 6 | Nephew | — | Virginia |
| 6 | Eugene Schuyler | 57 | Head | Foreman | Washington D.C. |
| 7 | Detta Schuyler | 57 | Wife | — | Virginia |
| 8 | Russel Schuyler | 31 | Son | Labourer | Maryland |
| 9 | Thelma Schuyler | 29 | Daughter | — | Maryland |
| 10 | Mary Schuyler | 27 | Daughter | General Housework | Maryland |
| 11 | Walter Boyles | 35 | Head | Laborer | South Carolina |
| 12 | Marie Boyles | 27 | Wife | — | South Carolina |
| 13 | Woodrow Boyles | 21 | Step-son | Laborer | South Carolina |
| 14 | Johnnie L. Powell | 31 | Head | Laborer | Virginia |
| 15 | Mable Powell | 25 | Wife | General Housework | Virginia |
| 16 | Eddie Roberts | 40 | Lodger | Laborer | Virginia |
| 17 | John Cheatham | 28 | Lodger | Laborer | Alabama |
| 18 | Richard Foster | 39 | Head | Laborer | Carolina |
| 19 | Nancie Foster | 37 | Wife | — | Virginia |
| 20 | Mary L. Foster | 10 | Daughter | — | Maryland |
| 21 | Daisie L. Foster | 9 | Daughter | — | Maryland |
| 22 | Rommie Watson | 30 | Head | Laborer | Virginia |
| 23 | Mary Watson | 26 | Wife | — | Virginia |
| 24 | Helen Watson THIS PERSON | 15 | Daughter | — | Maryland |
| 25 | Marjorie Watson | 12 | Daughter | — | Maryland |
| 26 | Jerome Watson | 5 | Son | — | Maryland |
| 27 | Geraldine Watson | 5 | Daughter | — | Maryland |
| 28 | Frances M. Watson | 3 | Daughter | — | Maryland |
| 29 | James Watson | 0 | Son | — | Maryland |
| 30 | Carrington, Pearl Peard | 55 | Lodger | General Housework | Virginia |
| 31 | Pauline Peard | 29 | Lodger's daughter | General Housework | Maryland |
| 32 | Delois Hires | 8 | Lodger's grand-daughter | — | Maryland |
| 33 | James Simms | 33 | Head | Laborer | South Carolina |
| 34 | Rosa Simms | 31 | Wife | — | South Carolina |
| 35 | Mary Simms | 6 | Daughter | — | South Carolina |
| 36 | George Flowers | 27 | Head | Laborer | Virginia |
| 37 | Sarah Flowers | 26 | Wife | — | Virginia |
| 38 | George E. Flowers | 7 | Son | — | Maryland |
| 39 | Sarah Flowers | 4 | Daughter | — | Maryland |
| 40 | Winchel Flowers | 2 | Son | — | 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)