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Margaret Welch — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this Margaret Welch across the 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Welch |
| Given Name | Margaret Anne |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | E. D. 9 (part) |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | E D 9 Part |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Adolph Welch | Son | — | 10 | ~1930 |
| Leroy Welch | Son | — | 19 | ~1921 |
| Philip Welch | Son | — | 9 | ~1931 |
| Lucile Welch | Daughter | — | 16 | ~1924 |
| Arch Welch | Son | — | 24 | ~1916 |
| Margaret Welch | Daughter | — | 13 | ~1927 |
| Ella Welch | Spouse | — | 51 | ~1889 |
| Thomas Welch | Son | — | 18 | ~1922 |
| Arch Welch | Head | — | 50 | ~1890 |
| Louis Welch | Son | — | 26 | ~1914 |
Census Appearances
1930
Charles, Maryland
Daughter, age 2
Charles, Maryland · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Charles-County, Maryland
Daughter, age 13
Charles-County, Maryland · implied b. ~1927 — 10 household members
| Surname | Welch |
| Given Name | Margaret Anne |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | E. D. 9 (part) |
| 1935 Residence (County) | Charles |
| Class of Worker | 0 |
| Highest Grade | H-1 |
| 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 Margaret Welch across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Welch
Daughter · 1940 · age 13 · b. ~1927 · Maryland
★ You are viewing this record
Sibling
Philip Welch
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Welch
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucile Welch
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adolph Welch
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Welch
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arch Welch
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Welch
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 — Charles-County, Maryland
Open full size
1940 US Federal Census — Charles-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01546-00428)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary G. Duke | 28 | Wife | — | Maryland |
| 2 | Mary Francis Duke | 7 | Daughter | — | Maryland |
| 3 | Joseph C. Duke | 3 | Son | — | Maryland |
| 4 | James B. Higgs | 44 | Head | Salesman | Maryland |
| 5 | Bessie M. Higgs | 42 | Wife | — | Maryland |
| 6 | James F. Higgs | 21 | Son | Salesman | Maryland |
| 7 | Martin Higgs | 19 | Son | Salesman | Maryland |
| 8 | John O'Neil Higgs | 18 | Son | Salesman | Maryland |
| 9 | Charles A. Higgs | 10 | Son | — | Maryland |
| 10 | Mary Alice Higgs | 4 | Daughter | — | Maryland |
| 11 | J. Nelson Dudley | 37 | Head | Clerk | Maryland |
| 12 | Margaret J. Dudley | 32 | Wife | — | West Virginia |
| 13 | Charles J. Dudley | 12 | Son | — | West Virginia |
| 14 | John Robert Dudley | 10 | Son | — | Maryland |
| 15 | Mary E. Dudley | 8 | Daughter | — | Maryland |
| 16 | Felix C. Henderson | 41 | Head | Assort | Maryland |
| 17 | Louise R. Henderson | 51 | Wife | — | Virginia |
| 18 | Charles N. Henderson | 26 | Son | Farm Worker | Maryland |
| 19 | Peter C. Jr. Henderson | 23 | Son | — | Maryland |
| 20 | Betty G. Henderson | 20 | Daughter | — | South Carolina |
| 21 | William H. Jr. Bond | 34 | Head | Pilot | Pittsburgh |
| 22 | Alberta H. Bond | 33 | Wife | — | Pittsburgh |
| 23 | The Joseph C. Burrow | 55 | Head | Foreman | Maryland |
| 24 | Jessie B. Green | 57 | Partner | Proprietor | Washington |
| 25 | Agustus Craig | 67 | Head | — | Maryland |
| 26 | Arch S. Welch | 50 | Head | Salesman | Maryland |
| 27 | Ella M. Welch | 51 | Wife | — | Maryland |
| 28 | Louis S. Jr. Welch | 26 | Son | Carpenter | Maryland |
| 29 | Arch C. Welch | 24 | Son | Salesman | Maryland |
| 30 | Leroy M. Welch | 19 | Son | Salesman | Maryland |
| 31 | Thomas K. Welch | 18 | Son | Salesman | Maryland |
| 32 | Lucile Welch | 16 | Daughter | — | Maryland |
| 33 | Margaret Anne Welch THIS PERSON | 13 | Daughter | — | Maryland |
| 34 | Adolph Welch | 10 | Son | — | Maryland |
| 35 | Philip Welch | 9 | Son | — | Maryland |
| 36 | Thomas Leger | 38 | Head | Moulder Helper | Maryland |
| 37 | Carter Leger | 30 | Wife | — | Washington |
| 38 | Thomas E. Leger | 9 | Son | — | Washington |
| 39 | Patricia Leger | 8 | Daughter | — | Maryland |
| 40 | Roberta Leger | 6 | Daughter | — | Washington |
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)