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Catherine Collins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Catherine Collins across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 9-person household.
Age 27
b. ~1913
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Collins |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| Additional Details | |
| Occupation | Marker |
| Industry | Clothing shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H 4 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Marker |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1913 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Lillian Collins | Spouse | — | 49 | ~1891 |
| Catherine Collins | Daughter | — | 27 | ~1913 |
| James Collins | Son | — | 18 | ~1922 |
| John Collins | Head | — | 53 | ~1887 |
| Elizabeth Collins | Daughter | — | 25 | ~1915 |
| Edward Collins | Son | — | 15 | ~1925 |
| William Collins | Son | — | 11 | ~1929 |
| Richard Collins | Son | — | 10 | ~1930 |
| Charles Collins | Son | — | 22 | ~1918 |
Census Appearances
1930
Baltimore, Maryland
Other, age 16
Baltimore, Maryland · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Catherine |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Age at First Marriage | 0 |
| 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 27
Baltimore-City-County, Maryland · implied b. ~1913 — 9 household members
| Surname | Collins |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| Occupation | Marker |
| Industry | Clothing shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H 4 |
| 1935 Residence | Maryland |
| 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 Catherine Collins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Collins
Daughter · 1940 · age 27 · b. ~1913 · Maryland
★ You are viewing this record
Sibling
Elizabeth Collins
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Collins
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Collins
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Collins
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Collins
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Collins
Sibling · 1940 · age 18
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-t0627-01533-00129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George E. Stewart | 32 | Son | Draftsman | Maryland |
| 42 | Ida M. Stewart | 32 | Daughter-in-law | — | Ohio |
| 43 | George E. Jr. Stewart | 10 | Grandson | — | Pennsylvania |
| 44 | Robert W. Stewart | 9 | Grandson | — | Maryland |
| 45 | John B. Collins | 53 | Head | Plumber | Maryland |
| 46 | Lillian B. Collins | 49 | Wife | — | Maryland |
| 47 | Catherine Collins THIS PERSON | 27 | Daughter | Marker | Maryland |
| 48 | Elizabeth D. Collins | 25 | Daughter | Trimmer | Maryland |
| 49 | Charles R. Collins | 22 | Son | Tree Trimmer | Maryland |
| 50 | James K. Collins | 18 | Son | Plumber Helper | Maryland |
| 51 | Edward E. Collins | 15 | Son | — | Maryland |
| 52 | William G. Collins | 11 | Son | — | Maryland |
| 53 | Richard A. Collins | 10 | Son | — | Maryland |
| 54 | Aloysius L. Treckel | 68 | Head | Fireman | Maryland |
| 55 | Margaret E. Treckel | 65 | Wife | — | Maryland |
| 56 | Ernest E. Duker | 48 | Head | Stationary Engineer | Maryland |
| 57 | Catherine E. Duker | 44 | Wife | — | Maryland |
| 58 | Roger F. Knight | 33 | Head | Labor Foreman | District Columbia |
| 59 | Lillian E. Knight | 31 | Wife | — | Maryland |
| 60 | Clifton W. Lanehart | 45 | Head | Automobile Mechanic | Maryland |
| 61 | Stella G. Lanehart | 34 | Wife | — | Maryland |
| 62 | David J. Lanehart | 60 | Father | Engineer | Maryland |
| 63 | Fred F. Thomas | 44 | Head | Engraver | Pennsylvania |
| 64 | Edna M. Thomas | 39 | Wife | — | Maryland |
| 65 | Elizabeth Trankenbert | 21 | Daughter | Waitress | Maryland |
| 66 | Alverta M. Reck | 37 | Sister-in-law | — | Maryland |
| 67 | Edward C. Reck | 22 | Brother-in-law | Steam Fitter Helper | Maryland |
| 68 | Maddalen Epp | 76 | Head | — | Maryland |
| 69 | Katherine M. Frothingham | 65 | Head | — | Pennsylvania |
| 70 | Albert F. Schoper | 35 | Son | Auditor | Maryland |
| 71 | Margaret Schoper | 25 | Daughter-in-law | — | Maryland |
| 72 | Mary M. Schoper | 1 | Granddaughter | — | Maryland |
| 73 | John P. Kelly | 58 | Head | Blacksmith | Maryland |
| 74 | Mary E. Kelly | 58 | Wife | — | Maryland |
| 75 | Charles S. Kelly | 31 | Son | — | Maryland |
| 76 | Catherine M. Kelly | 33 | Daughter | Stenographer | Maryland |
| 77 | Joseph M. Kelly | 30 | Son | Office Clerk | Maryland |
| 78 | Edgar B. Mckenna | 63 | Head | Fire Chief | Maryland |
| 79 | Wallace L. Brown | 46 | Head | Maintenance | Maryland |
| 80 | Mildred V. Brown | 43 | Wife | Auditor | 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)