WC
William Collins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Collins across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Fletcher & George — first a son (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Collins |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1923 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Collins | Daughter | — | 22 | ~1918 |
| Marie Collins | Daughter | — | 18 | ~1922 |
| Estelle Collins | Daughter | — | 12 | ~1928 |
| Fletcher Collins | Head | — | 51 | ~1889 |
| John Collins | Son | — | 19 | ~1921 |
| Fletcher Collins | Son | — | 21 | ~1919 |
| William Collins | Son | — | 17 | ~1923 |
| Norman Collins | Son | — | 13 | ~1927 |
| Walter Collins | Son | — | 16 | ~1924 |
| Marie Collins | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Baltimore, Maryland
Son, age 1
Baltimore, Maryland · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | William C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
X, Maryland
Son, age 11
X, Maryland · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 17
Baltimore-City-County, Maryland · implied b. ~1923 — 10 household members
| Surname | Collins |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Highest Grade | No 8 |
| 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 William Collins across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Fletcher Collins (~0.92 confidence) and father George Collins (~0.92 confidence) and mother Marie Collins (~0.92 confidence) and mother Emma Collins (~0.92 confidence) and mother Hattie Collins (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fletcher Collins
b. ~1889
Source father
● Household
· direct · ~0.92
Father
George Collins
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Marie Collins
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Emma Collins
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Hattie Collins
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Collins
Son · 1940 · age 17 · b. ~1923 · Maryland
★ You are viewing this record
Sibling
Estelle Collins
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Collins
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Collins
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fletcher Collins
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Collins
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Collins
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Collins
Sibling · 1940 · age 19
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
39 people indexed on this census page (nara:1940:m-t0627-01532-00128)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Maugalis | 69 | Mother | — | Lithuania |
| 42 | Scott H. Gibbs | 43 | Head | Maintenance Man | West Virginia |
| 43 | Lucy R. Gibbs | 32 | Wife | — | Maryland |
| 44 | Edna Gibbs | 21 | Daughter | — | West Virginia |
| 45 | Geraldine Gibbs | 19 | Daughter | Can Filler | Maryland |
| 46 | Scott Gibbs | 17 | Son | — | Maryland |
| 47 | William Gibbs | 15 | Son | — | Maryland |
| 48 | Charles Gibbs | 13 | Son | — | Maryland |
| 49 | John Gibbs | 9 | Son | — | Maryland |
| 50 | Patricia Gibbs | 1 | Daughter | — | Maryland |
| 51 | William Coulford | 26 | Head | Truck Driver | Maryland |
| 52 | Nancy M. Coulford | 2 | Daughter | — | Maryland |
| 53 | Julius Hunter | 81 | Head | — | Maryland |
| 54 | Philip A. Hunter | 56 | Wife | Bar Tender | Maryland |
| 55 | Olive B. Hunter | 54 | Daughter | Fitter | Maryland |
| 56 | Alice V. Hunter | 51 | Daughter | — | Maryland |
| 57 | Fletcher Collins | 51 | Head | — | Maryland |
| 58 | Marie Collins | 48 | Wife | Assembler | Maryland |
| 59 | Dorothy Collins | 22 | Daughter | Assembler | Maryland |
| 60 | Fletcher Collins | 21 | Son | Solicitor | Maryland |
| 61 | John Collins | 19 | Son | Collector | Maryland |
| 62 | Marie Collins | 18 | Daughter | — | Maryland |
| 63 | William Collins THIS PERSON | 17 | Son | — | Maryland |
| 64 | Walter Collins | 16 | Son | — | Maryland |
| 65 | Norman Collins | 13 | Son | — | Maryland |
| 66 | Estelle Collins | 12 | Daughter | — | Maryland |
| 67 | Ormon Hamilton | 62 | Head | — | Maryland |
| 68 | May Hamilton | 58 | Wife | — | Maryland |
| 69 | Ormon Hamilton | 21 | Son | Junior Clerk | Maryland |
| 70 | Anton Regan | 47 | Head | Police Man | Maryland |
| 71 | Sadie Regan | 50 | Wife | — | Virginia |
| 72 | George Spangle | 21 | Head | Salesman | Pennsylvania |
| 73 | Maude Spangle | 42 | Mother | — | Maryland |
| 74 | Davis Spangle | 19 | Brother | Machine Hand | Maryland |
| 75 | Clarence E. Jones | 64 | Head | Painter | Maryland |
| 76 | Mary C. Jones | 66 | Wife | — | Pennsylvania |
| 77 | Herbert Von Wachter | 43 | Son-in-law | Night Inspector | Maryland |
| 78 | Margaret L. Von Wachter | 37 | Daughter | — | Maryland |
| 79 | Doris Von Wachter | 9 | Grand-daughter | — | Maryland |
Pedigree Summary
William + 7 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)