MK
Marie Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Marie Kelly across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Kelly |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Farming Equipment |
| Class of Worker | PW |
| Income (1939) | 934 |
| Highest Grade | H-1 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Stenographer |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1917 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Margaret Kelly | Daughter | — | 21 | ~1919 |
| John Kelly | Head | — | 56 | ~1884 |
| Marie Kelly | Daughter | — | 23 | ~1917 |
| Leopoldina Kelly | Spouse | — | 55 | ~1885 |
| John Kelly | Son | — | 18 | ~1922 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 12
Baltimore, Maryland · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Italy |
| 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 23
Baltimore-City-County, Maryland · implied b. ~1917 — 5 household members
| Surname | Kelly |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Occupation | Stenographer |
| Industry | Farming Equipment |
| Class of Worker | PW |
| Income (1939) | 934 |
| Highest Grade | H-1 |
| 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 Marie Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Kelly
Daughter · 1940 · age 23 · b. ~1917 · Maryland
★ You are viewing this record
Sibling
John Kelly
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Kelly
Sibling · 1940 · age 21
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-t0627-01541-00631)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry J. Gibbons | 10 | Son | — | Maryland |
| 42 | Wilfred Patterson | 31 | Head | Foreman | Maryland |
| 43 | Ruth M. Patterson | 26 | Wife | — | Maryland |
| 44 | Patricia Patterson | 4 | Daughter | — | Maryland |
| 45 | Sandra Patterson | 2 | Daughter | — | Maryland |
| 46 | John Patterson | 1 | Son | — | Maryland |
| 47 | Earl C. Hardy | 42 | Head | Printing Teacher | Vermont |
| 48 | Mary S. Hardy | 39 | Wife | — | Russia |
| 49 | Elizabeth A. Hardy | 12 | Daughter | — | Vermont |
| 50 | Frank W. Hardy | 68 | Father | — | Vermont |
| 51 | Nelly Hardy | 61 | Mother | — | Vermont |
| 52 | Joseph Santer | 50 | Head | Piano Tuner | Maryland |
| 53 | Mamie Santer | 48 | Wife | — | Maryland |
| 54 | Sterling Bugg | 28 | Son-in-law | Teller | Maryland |
| 55 | Adele Bugg | 27 | Daughter | — | Maryland |
| 56 | Edward F. Holmes | 30 | Son-in-law | Potter | Maryland |
| 57 | Mildred Holmes | 24 | Daughter | — | Maryland |
| 58 | John Kelly | 56 | Head | Foreman Machinist | Maryland |
| 59 | Leopoldina Kelly | 55 | Wife | — | Maryland |
| 60 | Marie Kelly THIS PERSON | 23 | Daughter | Stenographer | Maryland |
| 61 | Margaret Kelly | 21 | Daughter | Examiner Shoes | Maryland |
| 62 | John Kelly | 18 | Son | — | Maryland |
| 63 | George O. Bacher | 35 | Head | Manager | Maryland |
| 64 | Miriam Bacher | 30 | Wife | — | Maryland |
| 65 | Betty Jeanne Bacher | 6 | Daughter | — | Maryland |
| 66 | Wesley Rudiger | 13 | Brother in law | — | Massachusetts |
| 67 | George Hewitt | 73 | Head | Loading Clerk | Maryland |
| 68 | Ellen M. Hewitt | 71 | Wife | — | Maryland |
| 69 | Stephen Klausmeyer | 46 | Head | Clerk | Maryland |
| 70 | Josephine Klausmeyer | 40 | Wife | — | Maryland |
| 71 | John Klausmeyer | 22 | Son | Clerk | Maryland |
| 72 | Donald J. Klausmeyer | 20 | Son | Clerk | Maryland |
| 73 | Audrey Klausmeyer | 9 | Daughter | — | Maryland |
| 74 | Harry L. Reisenweber | 30 | Head | Salesman | Maryland |
| 75 | Lorraine Reisenweber | 26 | Wife | Clerk | Maryland |
| 76 | Joseph Pfeiler | 32 | Head | Pressman | Maryland |
| 77 | Emilie Pfeiler | 34 | Wife | — | Maryland |
| 78 | Joseph Jr. Pfeiler | 6 | Son | — | Maryland |
| 79 | Paul Pfeiler | 2 | Son | — | Maryland |
| 80 | Frank J. Burttner | 42 | Head | Proprietor | 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)