WW
William Watts — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Watts across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 7-person household.
Age 46
b. ~1894
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Watts |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Plumber |
| Industry | Own Business |
| Class of Worker | OA |
| Income (1939) | 348 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Plumber |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1894 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Edward Watts | Son | — | 13 | ~1927 |
| Robert Watts | Son | — | 11 | ~1929 |
| Mabel Watts | Daughter | — | 19 | ~1921 |
| William Watts | Head | — | 46 | ~1894 |
| Nellie Watts | Spouse | — | 45 | ~1895 |
| Edith Watts | Daughter | — | 21 | ~1919 |
| Althea Watts | Daughter | — | 15 | ~1925 |
Census Appearances
1920
Baltimore, Maryland
Head, age 26
Baltimore, Maryland · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watts |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Plumber |
| Industry | Car Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 36
Baltimore, Maryland · implied b. ~1894 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watts |
| Given Name | William E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Plumber |
| Industry | In Business |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 3,000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 46
Baltimore-City-County, Maryland · implied b. ~1894 — 7 household members
| Surname | Watts |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Occupation | Plumber |
| Industry | Own Business |
| Class of Worker | OA |
| Income (1939) | 348 |
| Highest Grade | H 1 |
| 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 William Watts across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Watts
Head · 1940 · age 46 · b. ~1894 · 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
40 people indexed on this census page (nara:1940:m-t0627-01536-00601)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Watts THIS PERSON | 46 | Head | Plumber | Maryland |
| 42 | Nellie Watts | 45 | Wife | — | Maryland |
| 43 | Edith Watts | 21 | Daughter | Sales Lady | Maryland |
| 44 | Mabel Watts | 19 | Daughter | Sales Lady | Maryland |
| 45 | Althea Watts | 15 | Daughter | — | Maryland |
| 46 | Edward Watts | 13 | Son | — | Maryland |
| 47 | Robert Watts | 11 | Son | — | Maryland |
| 48 | William A. Lewis | 50 | Head | Foreman | Maryland |
| 49 | Marie L. Lewis | 45 | Wife | — | Maryland |
| 50 | Robert L. Smith | 77 | Lodger | — | Maryland |
| 51 | Richard B. Haberkorn | 32 | Head | Mechanic | Maryland |
| 52 | Hilda Haberkorn | 31 | Wife | — | Maryland |
| 53 | Richard Haberkorn | 10 | Son | — | Maryland |
| 54 | Harry Upland | 46 | Head | Rigger | Maryland |
| 55 | Agnes Upland | 41 | Wife | — | Maryland |
| 56 | Harry Upland | 23 | Son | Assemblyman | Maryland |
| 57 | Donald Upland | 8 | Son | — | Maryland |
| 58 | Martin J. Vagrocky | 33 | Head | Machinist | New York |
| 59 | Mildred Vagrocky | 32 | Wife | — | New York |
| 60 | Martin Vagrocky | 12 | Son | — | New Jersey |
| 61 | Caroline Vagrocky | 5 | Daughter | — | New Jersey |
| 62 | William M. Fletcher | 49 | Head | Proprietor | Maryland |
| 63 | Maude Fletcher | 54 | Wife | — | Maryland |
| 64 | Margaret M. March | 56 | Head | General Housework | Missouri |
| 65 | William Justis | 39 | Head | Clerk | Maryland |
| 66 | Mildred Justis | 32 | Wife | — | Maryland |
| 67 | Barbara Justis | 9 | Daughter | — | Maryland |
| 68 | William Justis | 5 | Son | — | Maryland |
| 69 | James L. White | 43 | Head | Operator | Maryland |
| 70 | Ruth White | 35 | Wife | — | Maryland |
| 71 | Edward Brule | 31 | Head | Salesman | Maryland |
| 72 | Viola Brule | 30 | Wife | — | Missouri |
| 73 | Edward Brule | 9 | Son | — | Maryland |
| 74 | David Brule | 6 | Son | — | Maryland |
| 75 | Earl P. Collier | 34 | Head | Truck Driver | Maryland |
| 76 | Lola Collier | 36 | Wife | — | Maryland |
| 77 | Earl Collier | 16 | Son | — | Maryland |
| 78 | Edgar Collier | 14 | Son | — | Maryland |
| 79 | Charlotte Collier | 13 | Daughter | — | Maryland |
| 80 | Charles Collier | 9 | 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)