MK
Margaret Kelley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Maryland
Our Model Tree links this Margaret Kelley across the 1930 and 1940 US Censuses in Montgomery-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Maryland |
| Surname | Kelley |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist 13, Wheaton |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election Dist 13 Wheaton |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Marcella Kelley | Daughter | — | 18 | ~1922 |
| Anza Kelley | Daughter | — | 15 | ~1925 |
| Margaret Kelley | Daughter | — | 13 | ~1927 |
| Lola Kelley | Head | — | 42 | ~1898 |
| Marietta Cooley | Other | — | 60 | ~1880 |
| Lloyd Kelley | Son | — | 8 | ~1932 |
| Alfred Kelley | Son | — | 4 | ~1936 |
| Jerry Kelley | Son | — | 17 | ~1923 |
Census Appearances
1930
Montgomery, Maryland
Daughter, age 3
Montgomery, Maryland · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Virginia |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Montgomery-County, Maryland
Daughter, age 13
Montgomery-County, Maryland · implied b. ~1927 — 8 household members
| Surname | Kelley |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist 13, Wheaton |
| 1935 Residence (County) | Montgomery |
| Highest Grade | No 7 |
| 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 Margaret Kelley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Kelley
Daughter · 1940 · age 13 · b. ~1927 · Maryland
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Sibling
Anza Kelley
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Kelley
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcella Kelley
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Kelley
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Kelley
Sibling · 1940 · age 8
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 — Montgomery-County, Maryland
Open full size
1940 US Federal Census — Montgomery-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01555-00468)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert Bowman | 52 | Head | Painter | Maryland |
| 2 | Floyd Bowman | 26 | Son | Driver | Maryland |
| 3 | Edna Bowman | 18 | Daughter | — | Maryland |
| 4 | Doris Bowman | 15 | Daughter | — | Maryland |
| 5 | Mary Bowman | 77 | Mother | — | Dist. Columbia |
| 6 | Henry B. Jacques | 42 | Head | Clerk | New Hampshire |
| 7 | D. Jacques | 40 | Wife | Clerk | Virginia |
| 8 | James G. Davis | 41 | Head | Interviewer | Ohio |
| 9 | Margaret Davis | 40 | Wife | Sales Lady | Kentucky |
| 10 | Jane Davis | 20 | Daughter | — | Ohio |
| 11 | Elaine Davis | 15 | Daughter | — | Ohio |
| 12 | Marianne Davis | 10 | Daughter | — | Ohio |
| 13 | Freddie G. Schooley | 48 | Head | Teacher | Virginia |
| 14 | Kenneth Schooley | 32 | Son | Clerk | Dist. Columbia |
| 15 | Charles Woodson | 58 | Head | Painter | Illinois |
| 16 | Cora Woodson | 57 | Wife | Laundry | Illinois |
| 17 | William Woodson | 16 | Son | — | Illinois |
| 18 | Lola Kelley | 42 | Head | Clerk | Virginia |
| 19 | Marcella Kelley | 18 | Daughter | — | Maryland |
| 20 | Jerry Jr. Kelley | 17 | Son | — | Maryland |
| 21 | Anza M. Kelley | 15 | Daughter | — | Maryland |
| 22 | Margaret Kelley THIS PERSON | 13 | Daughter | — | Maryland |
| 23 | Lloyd Kelley | 8 | Son | — | Maryland |
| 24 | Alfred Kelley | 4 | Son | — | Maryland |
| 25 | Marietta Cooley | 60 | Mother in Law | — | Maryland |
| 26 | John Fry | 27 | Head | Manager | Maryland |
| 27 | Ruth Fry | 27 | Wife | Bookkeeper | Maryland |
| 28 | Jack Fry | 6 | Son | — | Maryland |
| 29 | Charles Fry | 2 | Son | — | Maryland |
| 30 | Owen Wright | 21 | Head | Mechanic | Maryland |
| 31 | Dorothy Wright | 20 | Wife | — | Maryland |
| 32 | Leonard Linthicum | 30 | Lodger | Carpenter | Maryland |
| 33 | Ralph Hockman | 21 | Lodger | Carpenter | Maryland |
| 34 | Frederick Moulden | 64 | Head | Carpenter | Maryland |
| 35 | William Moulden | 32 | Son | Repair Man | Maryland |
| 36 | Joseph Edwards | 44 | Head | Truck Driver | Virginia |
| 37 | Pearl Edwards | 35 | Wife | — | Virginia |
| 38 | Earnest Edwards | 16 | Son | — | Virginia |
| 39 | Josephine Edwards | 14 | Daughter | — | Dist. Columbia |
| 40 | Mary Edwards | 13 | 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)