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Margaret Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Maryland
Our Model Tree links this Margaret Martin across the 1920, 1930 and 1940 US Censuses in Washington-County, Maryland (XGBoost, ~Confirmed), with identified parents Joseph & Wm — first a daughter (b.~1900), then head of a 2-person household.
Age 40
b. ~1900
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Maryland |
| Surname | Martin |
| Given Name | Margaret J. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Hagerstown |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Rail Road |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1047 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Stenographer |
| Township / Ward | Hagerstown |
| Est. Birth Year | ~1900 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Martin | Daughter | — | 40 | ~1900 |
| Joseph Martin | Head | — | 80 | ~1860 |
Census Appearances
1920
Washington, Maryland
Daughter, age 20
Washington, Maryland · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Margaret V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Stenographer |
| Industry | Railroad Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Washington, Maryland
Daughter, age 30
Washington, Maryland · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Margaret J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Stenographer |
| Industry | Railroad Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Washington-County, Maryland
Daughter, age 40
Washington-County, Maryland · implied b. ~1900 — 2 household members
| Surname | Martin |
| Given Name | Margaret J. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Hagerstown |
| 1935 Residence (County) | Washington |
| Occupation | Stenographer |
| Industry | Rail Road |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1047 |
| 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 Margaret Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Martin (~0.92 confidence) and father Wm Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Martin
b. ~1860
Source father
● Household
· direct · ~0.92
Father
Wm Martin
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Martin
Daughter · 1940 · age 40 · b. ~1900 · 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 — Washington-County, Maryland
Open full size
1940 US Federal Census — Washington-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01561-00224)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bonnie Lowers | 3 | daughter | — | Maryland |
| 2 | Harry R. Taylor | 47 | head | Salesman | Maryland |
| 3 | Ida M. Taylor | 44 | wife | Saleslady | New York |
| 4 | Ray F. Knodle | 41 | head | Salesman | Maryland |
| 5 | Nellie M. Knodle | 43 | wife | — | Maryland |
| 6 | Rosemary J. Knodle | 21 | daughter | Stenographer | Maryland |
| 7 | Edward Knodle | 62 | head | Merchant | Maryland |
| 8 | Carrie R. Knodle | 65 | wife | — | Maryland |
| 9 | Kathryn J. Richards | 51 | nurse | Nurse | Connecticut |
| 10 | Robert L. Saum | 29 | head | Chief Clerk | Maryland |
| 11 | Evelyn L. Saum | 29 | wife | — | Maryland |
| 12 | Robert E. Artz | 24 | head | Clerk | Maryland |
| 13 | Kathleen M. Artz | 23 | wife | — | Maryland |
| 14 | Cleggett H. Lecrone | 50 | head | Freight Conductor | Maryland |
| 15 | Mary M. Lecrone | 53 | wife | — | Pennsylvania |
| 16 | Earl N. Musser | 36 | head | Finisher | Pennsylvania |
| 17 | Mildred S. Musser | 35 | wife | Mixer | Maryland |
| 18 | Roger L. Friery | 34 | head | Chiropractor | Maryland |
| 19 | Helen S. Friery | 35 | wife | — | Maryland |
| 20 | Anita A. Friery | 7 | daughter | — | Maryland |
| 21 | Roger L. Friery | 6 | son | — | Maryland |
| 22 | Muriel S. Ziegler | 41 | head | Silk Weaver | Maryland |
| 23 | Sarah J. Harbaugh | 36 | head | Seamstress | Maryland |
| 24 | Hazel G. Harbaugh | 32 | sister | Operator | Maryland |
| 25 | Milford S. Sarty | 51 | head | Handy Man | Maryland |
| 26 | Etta B. Sarty | 48 | wife | — | Pennsylvania |
| 27 | Phyllis Sarty | 19 | daughter | — | Pennsylvania |
| 28 | Robert Stanley | 43 | lodger | Barber | New York |
| 29 | Harry A. Lacey | 26 | lodger | Dept Head | Delaware |
| 30 | Isabel E. Myerly | 28 | lodger | Office Clerk | Maryland |
| 31 | Thomas R. Conner | 42 | head | Mechanic | Virginia |
| 32 | A. Rebecca Conner | 40 | wife | Service Observer | Pennsylvania |
| 33 | George W. Funkhouser | 42 | head | Custodian | West Virginia |
| 34 | Ruth S. Funkhouser | 38 | wife | Saleslady | Virginia |
| 35 | George R. Funkhouser | 12 | son | — | Maryland |
| 36 | Joanne S. Funkhouser | 7 | daughter | — | Maryland |
| 37 | N. Emmert Mcferren | 65 | head | — | West Virginia |
| 38 | Maude R. Mcferren | 62 | sister | — | West Virginia |
| 39 | Joseph A. Martin | 80 | head | — | Maryland |
| 40 | Margaret J. Martin THIS PERSON | 40 | daughter | Stenographer | Maryland |
Pedigree Summary
Margaret
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)