RA
Robert Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Garrett-County, Maryland
Our Model Tree links this Robert Alexander across the 1930 and 1940 US Censuses in Garrett-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 11-person household.
Age 11
b. ~1929
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Garrett-County, Maryland |
| Surname | Alexander |
| Given Name | Robert B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Preston |
| Additional Details | |
| Highest Grade | S 5 |
| 1935 Residence | West Virginia |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 14 |
| Est. Birth Year | ~1929 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Winona Alexander | Daughter | — | 4 | ~1936 |
| Norma Alexander | Daughter | — | 3 | ~1937 |
| Ercel Alexander | Daughter | — | 9 | ~1931 |
| Gladys Alexander | Daughter | — | 6 | ~1934 |
| Mary Alexander | Daughter | — | 10 | ~1930 |
| George Alexander | Head | — | 35 | ~1905 |
| Robert Alexander | Son | — | 11 | ~1929 |
| Howard Alexander | Son | — | ~1940 | |
| Dayton Alexander | Son | — | 13 | ~1927 |
| Russell Alexander | Son | — | 13 | ~1927 |
| Grace Alexander | Spouse | — | 31 | ~1909 |
Census Appearances
1930
Garrett, Maryland
Son, age
Garrett, Maryland · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Robert L. |
| 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 |
1940
Garrett-County, Maryland
Son, age 11
Garrett-County, Maryland · implied b. ~1929 — 11 household members
| Surname | Alexander |
| Given Name | Robert B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Preston |
| Highest Grade | S 5 |
| 1935 Residence | West Virginia |
| 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 Alexander across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Alexander
Son · 1940 · age 11 · b. ~1929 · Maryland
★ You are viewing this record
Sibling
Gladys Alexander
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ercel Alexander
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Alexander
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dayton Alexander
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Alexander
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Alexander
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Winona Alexander
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norma Alexander
Sibling · 1940 · age 3
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 — Garrett-County, Maryland
Open full size
1940 US Federal Census — Garrett-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01550-00526)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Earnest A Nothen | 8 | Son | — | West Virginia |
| 42 | Thomas C Nair | 42 | Head | Laborer | Maryland |
| 43 | Edith B Nair | 41 | Wife | — | Maryland |
| 44 | Thomas F Nair | 19 | Son | New Worker | Maryland |
| 45 | William J Nair | 18 | Son | New Worker | Maryland |
| 46 | Anna B Nair | 16 | Daughter | — | Maryland |
| 47 | Elmer W Nair | 12 | Son | — | West Virginia |
| 48 | Della M Nair | 10 | Daughter | — | West Virginia |
| 49 | Robert D L Nair | 5 | Son | — | Maryland |
| 50 | Rosie L Nair | 3 | Daughter | — | Maryland |
| 51 | Delores J Nair | 2 | Daughter | — | West Virginia |
| 52 | Herbert A Shaffer | 57 | Head | Farmer | West Virginia |
| 53 | Bessie E Shaffer | 38 | Wife | — | Maryland |
| 54 | Herbert M Shaffer | 14 | Son | — | Maryland |
| 55 | Margaret A Shaffer | 8 | Daughter | — | Maryland |
| 56 | Winifred J Shaffer | 5 | Daughter | — | Maryland |
| 57 | Leroy E White | 61 | Head | Farmer | Maryland |
| 58 | George F White | 26 | Son | Laborer | Maryland |
| 59 | Max L White | 19 | Son | — | Maryland |
| 60 | Helen L White | 12 | Daughter | — | Maryland |
| 61 | Rolland E Durken | 42 | Son-in-law | Laborer | Maryland |
| 62 | Myrtle K Durken | 31 | Daughter | — | Maryland |
| 63 | Charles E Durken | 4 | Grandson | — | Maryland |
| 64 | George W Alexander | 35 | Head | Machine Man | Maryland |
| 65 | Grace L Alexander | 31 | Wife | — | Maryland |
| 66 | Dayton E Alexander | 13 | Son | — | Maryland |
| 67 | Russell E Alexander | 13 | Son | — | Maryland |
| 68 | Robert B Alexander THIS PERSON | 11 | Son | — | Maryland |
| 69 | Mary L Alexander | 10 | Daughter | — | Maryland |
| 70 | Ercel V Alexander | 9 | Daughter | — | West Virginia |
| 71 | Gladys J Alexander | 6 | Daughter | — | West Virginia |
| 72 | Winona R Alexander | 4 | Daughter | — | West Virginia |
| 73 | Norma J Alexander | 3 | Daughter | — | West Virginia |
| 74 | Howard V Alexander | 0 | Son | — | Maryland |
| 75 | Martin R Lewis | 51 | Head | Farmer | Maryland |
| 76 | Olive V Lewis | 41 | Wife | — | Maryland |
| 77 | Lester M Lewis | 21 | Son | New Worker | Maryland |
| 78 | Carl C Lewis | 18 | Son | — | Maryland |
| 79 | Hazel G Lewis | 14 | Daughter | — | Maryland |
| 80 | Maria E Lewis | 12 | Daughter | — | West Virginia |
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)