CS
Charles Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Maryland
Our Model Tree links this Charles Sullivan across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Maryland (XGBoost, ~Confirmed), with identified parents Charles & Valeria — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Maryland |
| Surname | Sullivan |
| Given Name | Charles H. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Garrett Park |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Golf Caddy |
| Industry | Golf Course |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 904 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Golf Caddy |
| Township / Ward | Garrett Park |
| Est. Birth Year | ~1919 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Frances Sullivan | Daughter | — | 23 | ~1917 |
| Charles Sullivan | Head | — | 64 | ~1876 |
| George Sullivan | Son | — | 20 | ~1920 |
| James Sullivan | Son | — | 18 | ~1922 |
| Charles Sullivan | Son | — | 21 | ~1919 |
Census Appearances
1920
Montgomery, Maryland
Son, age
Montgomery, Maryland · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Charles H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Montgomery, Maryland
Son, age 11
Montgomery, Maryland · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Charles H. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Montgomery-County, Maryland
Son, age 21
Montgomery-County, Maryland · implied b. ~1919 — 5 household members
| Surname | Sullivan |
| Given Name | Charles H. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Garrett Park |
| 1935 Residence (County) | Montgomery |
| Occupation | Golf Caddy |
| Industry | Golf Course |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 904 |
| Highest Grade | H-4 |
| 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 Charles Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Sullivan (~0.92 confidence) and mother Valeria Sullivan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Sullivan
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Valeria Sullivan
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Sullivan
Son · 1940 · age 21 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Frances Sullivan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sullivan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Sullivan
Sibling · 1940 · age 20
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-t0627-01553-00225)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maurice Cooke | 28 | Waiter | Waiter | Maryland |
| 2 | Albert D. Smalley | 31 | Waiter | Dishwasher | So. Carolina |
| 3 | Ralph Rodgers | 32 | Laborer | Laborer | Virginia |
| 4 | Philip H. Pratt | 31 | Head | Gardener | New Hampshire |
| 5 | Marguerite M. Pratt | 25 | Wife | — | Virginia |
| 6 | Phyllis A. Pratt | 5 | Daughter | — | Dist. Col. |
| 7 | Charles H. Sullivan | 64 | Head | Gardener | Maryland |
| 8 | Frances M. Sullivan | 23 | Daughter | Stenographer | Maryland |
| 9 | Charles H. Jr. Sullivan THIS PERSON | 21 | Son | Golf Caddy | Maryland |
| 10 | George H. Sullivan | 20 | Son | Labourer | Maryland |
| 11 | James T. Sullivan | 18 | Son | — | Maryland |
| 12 | James Larnick | 64 | Head | Gardener | Scotland |
| 13 | Rebecca Larnick | 58 | Wife | Housekeeper | Scotland |
| 14 | Hattie L. Corby | 64 | Head | — | New York |
| 15 | Ellen Corby | 47 | Servant | Cook | Virginia |
| 16 | Howard Cavanaugh | 44 | Butler | Butler | Virginia |
| 17 | Annetta Zieteler | 43 | Chauffeur | Chauffeur | Maryland |
| 18 | Henry T. Hunt | 31 | Head | Clerk | Maryland |
| 19 | Catherine Hunt | 33 | Wife | — | Virginia |
| 20 | James D. Ferguson | 67 | Head | — | Maryland |
| 21 | Mathilda Ferguson | 67 | Wife | — | Dist. of Col. |
| 22 | James D. Jr. Ferguson | 23 | Son | Engineer | Dist. of Col. |
| 23 | Frances C. Ferguson | 24 | Daughter | — | New Jersey |
| 24 | M. M. Forrest | 49 | Sister | — | Dist. of Col. |
| 25 | Edward W. Offutt | 46 | Head | Merchant | Maryland |
| 26 | Agnes S. Offutt | 41 | Wife | — | Maryland |
| 27 | Mary C. Offutt | 1 | Daughter | — | Maryland |
| 28 | Herman Miller | 35 | Head | Gardener | Virginia |
| 29 | Mabel Miller | 27 | Wife | — | Virginia |
| 30 | William Schener | 72 | Head | — | Maryland |
| 31 | Margaret Schener | 38 | Daughter | Clerk | Maryland |
| 32 | Ernest Rainer | 36 | Son-in-law | — | Virginia |
| 33 | Edith Rainer | 22 | Daughter | Typist | Maryland |
| 34 | Robert Rainer | 21 | Son | Clerk | Maryland |
| 35 | Charles Rainer | 19 | Son | — | Maryland |
| 36 | James Rainer | 16 | Son | — | Maryland |
| 37 | Mary Rainer | 11 | Daughter | — | Maryland |
| 38 | Charles Easton | 54 | Head | Carpenter | Maryland |
| 39 | Ethel Easton | 41 | Wife | — | Maryland |
| 40 | Pauline Easton | 14 | Daughter | — | Maryland |
Related Census Records
Pedigree Summary
Charles + 3 siblings
Gen 1 · 2 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)