LC
Louise Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Louise Clark across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1904), then head of a 6-person household.
Age 36
b. ~1904
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Clark |
| Given Name | Louise C |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 7 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1904 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louise | Age | Birth yr |
|---|---|---|---|---|
| Robert Clark | Head | — | 39 | ~1901 |
| Frederick Clark | Son | — | 17 | ~1923 |
| Louise Clark | Spouse | — | 36 | ~1904 |
| Charles Clark | Son | — | 3 | ~1937 |
| George Clark | Son | — | 10 | ~1930 |
| Robert Clark | Son | — | 14 | ~1926 |
Census Appearances
1930
Baltimore, Maryland
Other, age 26
Baltimore, Maryland · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Louise |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 18 |
| 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
Spouse, age 36
Baltimore-City-County, Maryland · implied b. ~1904 — 6 household members
| Surname | Clark |
| Given Name | Louise C |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Income (1939) | 0 |
| Highest Grade | H 7 |
| 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 Louise Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louise Clark
Spouse · 1940 · age 36 · b. ~1904 · Maryland
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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-t0627-01517-00109)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry J Hafele | 63 | Head | — | Pennsylvania |
| 2 | Sarah D Hafele | 63 | Wife | — | Maryland |
| 3 | Margaret Dampman | 10 | Boarder | — | Maryland |
| 4 | Sam Iampello | 44 | Head | Blacksmith | Italy |
| 5 | Ida Iampello | 44 | Wife | — | Italy |
| 6 | Thomas C Hughes | 59 | Head | Laborer | Maryland |
| 7 | Anna M Hughes | 59 | Wife | — | Pennsylvania |
| 8 | Winston L Hughes | 24 | Son | Laborer | Maryland |
| 9 | Henry A Nichols | 30 | Head | Laborer | Maryland |
| 10 | Anna R Nichols | 22 | Wife | — | Maryland |
| 11 | Margaret N Nichols | 4 | Daughter | — | Maryland |
| 12 | Barbara Grota | 69 | Head | — | Germany |
| 13 | Frank A Burttner | 76 | Head | — | Germany |
| 14 | Mary Burttner | 72 | Wife | — | Germany |
| 15 | Hannah Gannon | 55 | Lodger | — | Virginia |
| 16 | David S Nash | 48 | Head | Painter | Virginia |
| 17 | Annie M Nash | 43 | Wife | — | Virginia |
| 18 | Aubrey E Nash | 19 | Son | Helper | Virginia |
| 19 | Shirley N Nash | 17 | Daughter | New Worker | Virginia |
| 20 | William K Nash | 15 | Son | — | Virginia |
| 21 | Marion E Nash | 13 | Son | — | Virginia |
| 22 | Percy P Nash | 12 | Son | — | Virginia |
| 23 | Joseph D Studer | 33 | Head | Laborer | Maryland |
| 24 | Leland M Murley | 31 | Head | Chauffeur | New York |
| 25 | Rita E Murley | 22 | Wife | — | Maryland |
| 26 | Leland M Jr Murley | 2 | Son | — | Maryland |
| 27 | Edna G Murley | 0 | Daughter | — | Maryland |
| 28 | Mary C Lanahan | 28 | Head | Waitress | Maryland |
| 29 | Carolyn Mccormack | 11 | Daughter | — | Maryland |
| 30 | Robert H Clark | 39 | Head | Painter | Maryland |
| 31 | Louise C Clark THIS PERSON | 36 | Wife | — | Maryland |
| 32 | Frederick S Clark | 17 | Son | New Worker | Maryland |
| 33 | Robert H Jr Clark | 14 | Son | — | Maryland |
| 34 | George E Clark | 10 | Son | — | Maryland |
| 35 | Charles A Clark | 3 | Son | — | Maryland |
| 36 | William H Kenney | 31 | Head | Tree Trimmer | Maryland |
| 37 | Elizabeth C Kenney | 22 | Wife | — | Maryland |
| 38 | Patricia Kenney | 2 | Daughter | — | Maryland |
| 39 | Betty Kenney | 1 | Daughter | — | Maryland |
| 40 | Mary B Schneider | 64 | Head | — | 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)