IW
Ida Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Ida Williams across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 10-person household.
Age 18
b. ~1922
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Williams |
| Given Name | Ida |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Waitress |
| Industry | Tea Room & Rest. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 624 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Waitress |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1922 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Gilda Williams | Daughter | — | 11 | ~1929 |
| Guy Williams | Daughter | — | 9 | ~1931 |
| Vivian Williams | Daughter | — | 17 | ~1923 |
| Ellen Williams | Daughter | — | 6 | ~1934 |
| Ida Williams | Daughter | — | 18 | ~1922 |
| Ruth Williams | Daughter | — | 13 | ~1927 |
| Walter Williams | Head | — | 45 | ~1895 |
| Donald Williams | Son | — | 16 | ~1924 |
| Walter Williams | Son | — | 21 | ~1919 |
| Madeline Williams | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 7
Baltimore, Maryland · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Ida D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 18
Baltimore-City-County, Maryland · implied b. ~1922 — 10 household members
| Surname | Williams |
| Given Name | Ida |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Waitress |
| Industry | Tea Room & Rest. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 624 |
| Highest Grade | Hs 2 |
| 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 Ida Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Williams
Daughter · 1940 · age 18 · b. ~1922 · Maryland
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Sibling
Walter Williams
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilda Williams
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Williams
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vivian Williams
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Williams
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Guy Williams
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Williams
Sibling · 1940 · age 6
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-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-t0627-01513-00261)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Beatrice Bedford | 16 | daughter | New Worker | Maryland |
| 2 | Gilbert Bedford | 14 | son | — | Maryland |
| 3 | Dorothy Bedford | 9 | daughter | — | Maryland |
| 4 | Helen Bedford | 4 | daughter | — | Maryland |
| 5 | Robert Taylor | 25 | head | Chauffeur | Maryland |
| 6 | Virginia R. Taylor | 26 | wife | — | Maryland |
| 7 | Evelyn Taylor | 5 | daughter | — | Maryland |
| 8 | Martha Lee Taylor | 3 | daughter | — | Maryland |
| 9 | Erdman Taylor | 25 | lodger | Cutter | Maryland |
| 10 | Henry Brick | 33 | head | Painter | Maryland |
| 11 | Helen D. Brick | 26 | wife | — | Maryland |
| 12 | Muriel Brick | 8 | son | — | Maryland |
| 13 | Roland Brick | 6 | son | — | Maryland |
| 14 | Charlotte Brick | 4 | daughter | — | Maryland |
| 15 | Adolph Boyland | 46 | head | Mechanic | Sweden |
| 16 | Ina O. Boyland | 38 | wife | — | Norway |
| 17 | Grace Boyland | 17 | daughter | — | Maryland |
| 18 | J. Robert Boyland | 14 | son | Messenger | Maryland |
| 19 | Laura Boyland | 11 | daughter | — | Maryland |
| 20 | Walter S. Williams | 45 | head | Time Keeper | Maryland |
| 21 | Madeline J. Williams | 45 | wife | — | Maryland |
| 22 | Walter Jr. Williams | 21 | son | Chauffeur | Maryland |
| 23 | Ida Williams THIS PERSON | 18 | daughter | Waitress | Maryland |
| 24 | Vivian Williams | 17 | daughter | Waitress | Maryland |
| 25 | Donald Williams | 16 | son | New Worker | Maryland |
| 26 | Ruth Williams | 13 | daughter | — | Maryland |
| 27 | Gilda Williams | 11 | daughter | — | Maryland |
| 28 | Guy C. Williams | 9 | daughter | — | Maryland |
| 29 | Ellen Williams | 6 | daughter | — | Maryland |
| 30 | Walter Funk | 40 | head | Shipping Clerk | Maryland |
| 31 | Laura D. Funk | 35 | wife | — | Virginia |
| 32 | Frances Funk | 16 | daughter | — | Maryland |
| 33 | Kathleen Funk | 14 | daughter | — | Maryland |
| 34 | Ruth Funk | 12 | daughter | — | Maryland |
| 35 | Myrtle Funk | 11 | daughter | — | Maryland |
| 36 | Joseph H. Braun | 29 | head | Laborer | New Jersey |
| 37 | Alice D. Braun | 26 | wife | — | Maryland |
| 38 | William Braun | 9 | son | — | Maryland |
| 39 | Robert Braun | 6 | son | — | Maryland |
| 40 | Alice Braun | 5 | 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)