RW
Robert Welch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this Robert Welch across the 1920, 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed), with identified parents Benjamin & Adelaide — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Welch |
| Given Name | Robert A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 1 |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | Hs 5 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farmer |
| Township / Ward | Election District 1 |
| Est. Birth Year | ~1910 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Welch | Spouse | — | 25 | ~1915 |
| Robert Welch | Son | — | 6 | ~1934 |
| Mary Wenk | Other | — | 61 | ~1879 |
| Robert Welch | Head | — | 30 | ~1910 |
| John Welch | Son | — | 4 | ~1936 |
Census Appearances
1920
Charles, Maryland
Son, age 12
Charles, Maryland · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Charles, Maryland
Son, age 22
Charles, Maryland · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farm Lab |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Charles-County, Maryland
Head, age 30
Charles-County, Maryland · implied b. ~1910 — 5 household members
| Surname | Welch |
| Given Name | Robert A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 1 |
| 1935 Residence (County) | Charles |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | Hs 5 |
| 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 Robert Welch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Benjamin Welch (~0.92 confidence) and mother Adelaide Welch (~0.92 confidence) and mother Agatha Welch (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Benjamin Welch
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Adelaide Welch
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Agatha Welch
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Welch
Head · 1940 · age 30 · b. ~1910 · Maryland
★ You are viewing this record
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-t0627-01546-00024)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert A. Welch THIS PERSON | 30 | Head | Farmer | Maryland |
| 42 | Evelyn Welch | 25 | Wife | — | Maryland |
| 43 | Robert A. Jr. Welch | 6 | Son | — | Maryland |
| 44 | John A. Welch | 4 | Son | — | Maryland |
| 45 | Mary A. Wenk | 61 | Mother-in-law | — | Maryland |
| 46 | Francis W. Welch | 24 | Head | Farmer | Maryland |
| 47 | Gertrude Welch | 33 | Wife | — | Maryland |
| 48 | Frances D. Welch | 3 | Son | — | Maryland |
| 49 | Sylvester Barnes | 76 | Head | Laborer | Maryland |
| 50 | Maggie Barnes | 39 | Wife | — | Maryland |
| 51 | Samuel Barnes | 9 | Son | — | Maryland |
| 52 | Mattie Barnes | 8 | Daughter | — | Maryland |
| 53 | June Barnes | 5 | Daughter | — | Maryland |
| 54 | Edith Barnes | 3 | Daughter | — | Maryland |
| 55 | William Savoy | 60 | Head | Farmer | Maryland |
| 56 | Lillie Savoy | 58 | Wife | — | Maryland |
| 57 | Richard Savoy | 24 | Son | Laborer | Maryland |
| 58 | Cora Savoy | 20 | Daughter-in-law | — | Maryland |
| 59 | Lola Savoy | 1 | Grand daughter | — | Maryland |
| 60 | Joseph Burch | 46 | Head | Farmer | Maryland |
| 61 | Gertrude Burch | 36 | Wife | — | New York |
| 62 | Gertrude Burch | 16 | Daughter | Waitress | Maryland |
| 63 | Joseph Burch | 14 | Son | — | Maryland |
| 64 | Francis Burch | 10 | Daughter | — | Maryland |
| 65 | Edward Burch | 81 | Father | — | Maryland |
| 66 | Mary Newcomb | 48 | Sister | — | Maryland |
| 67 | Mary Owen | 20 | Wife's niece | — | Maryland |
| 68 | Joe Gray | 33 | Head | Laborer | Maryland |
| 69 | Madeline Gray | 24 | Wife | — | Maryland |
| 70 | Joseph Gray | 7 | Son | — | Maryland |
| 71 | Bertha Gray | 5 | Daughter | — | Maryland |
| 72 | Le Roy Gray | 3 | Son | — | Maryland |
| 73 | Hester Smith | 69 | Head | — | Maryland |
| 74 | Mary Brown | 22 | Niece | — | Maryland |
| 75 | Clay Brown | 26 | Grand nephew | Laborer | Maryland |
| 76 | Cecelia Brown | 25 | Grand niece | — | Maryland |
| 77 | Theresa Brown | 0 | Grand niece | — | Maryland |
| 78 | Conard Barnes | 60 | Head | Farmer | Maryland |
| 79 | Hattie Barnes | 52 | Wife | — | Maryland |
| 80 | Jack Rosier | 56 | Head | Mechanic | Maryland |
Pedigree Summary
Robert
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)