DA
Donald Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Donald Allen across the 1910, 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Charles & Jacob — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Allen |
| Given Name | Donald A. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hopewell Borough |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 63 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Salesman |
| Township / Ward | Hopewell Borough |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Myrtle Allen | Spouse | — | 27 | ~1913 |
| Donald Allen | Head | — | 31 | ~1909 |
| Raymond Allen | Son | — | 5 | ~1935 |
| Joan Allen | Daughter | — | 6 | ~1934 |
Census Appearances
1910
Mercer, New …
Son, age
Mercer, New Jersey · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Donald H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Mercer, New …
Son, age 9
Mercer, New Jersey · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 20
Mercer, New Jersey · implied b. ~1910 — 19 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Donald E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Electrician |
| Industry | Repair Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Head, age 31
Mercer-County, New Jersey · implied b. ~1909 — 4 household members
| Surname | Allen |
| Given Name | Donald A. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hopewell Borough |
| 1935 Residence (County) | Mercer |
| Occupation | Salesman |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 63 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Donald Allen across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Allen (~0.92 confidence) and father Jacob Allen (~0.92 confidence) and father Samuel Allen (~0.92 confidence) and mother Anna Allen (~0.92 confidence) and mother Beulah Allen (~0.92 confidence) and mother Elizabeth Allen (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Allen
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Jacob Allen
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Samuel Allen
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Anna Allen
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Beulah Allen
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Allen
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Allen
Head · 1940 · age 31 · b. ~1909 · New Jersey
★ 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 — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02357-00131)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Andrew Pughire | 8 | son | — | New Jersey |
| 42 | Alta L. Thomas | 23 | head | H | New York |
| 43 | Gertrude Thomas | 5 | daughter | — | New York |
| 44 | Belle T. Bliss | 42 | daughter | At. | New York |
| 45 | Hallie J. Drake | 79 | head | H | New Jersey |
| 46 | Elizabeth A. Conover | 70 | sister | — | New Jersey |
| 47 | Donald A. Allen THIS PERSON | 31 | head | Salesman | New Jersey |
| 48 | Myrtle Allen | 27 | wife | H | New Jersey |
| 49 | Joan E. Allen | 6 | daughter | — | New Jersey |
| 50 | Raymond D. Allen | 5 | son | — | New Jersey |
| 51 | George M. Savidge | 59 | head | Accountant | New Jersey |
| 52 | Mabel L. Savidge | 53 | wife | H | New York |
| 53 | Harry E. Supthen | 55 | head | Contracting Carpenter | New Jersey |
| 54 | Clara H. Supthen | 33 | daughter | Housework | New Jersey |
| 55 | Fred C. Bowman | 31 | head | Salesman | Pennsylvania |
| 56 | Lois H. Bowman | 31 | wife | H | Pennsylvania |
| 57 | William C. Leigh | 78 | head | At. | New Jersey |
| 58 | Lydia A. Leigh | 70 | wife | H | New Jersey |
| 59 | Fred I. Supthen | 61 | head | Contracting Carpenter | New Jersey |
| 60 | Mary Edna Supthen | 57 | wife | H | New Jersey |
| 61 | Clarice S. Supthen | 36 | daughter | Music Teacher | New Jersey |
| 62 | Charles Rose | 52 | head | H | New Jersey |
| 63 | Florence Rose | 39 | wife | H | New Jersey |
| 64 | Louise Rightmire | 51 | servant | — | New Jersey |
| 65 | Thomas F. Laird | 42 | head | Steam Shovel Engineer | New Jersey |
| 66 | Sarah E. Laird | 36 | wife | H | New Jersey |
| 67 | Clarence E. Laird | 15 | son | — | New Jersey |
| 68 | Gerald D. Laird | 12 | son | — | New Jersey |
| 69 | Thomas F. Jr. Laird | 10 | son | — | New Jersey |
| 70 | Fred B. Ege | 50 | head | Bakery Truck Driver | New Jersey |
| 71 | Lillian A. Ege | 44 | wife | H | New Jersey |
| 72 | Farrah N. Ege | 17 | son | S | New Jersey |
| 73 | Doris C. Ege | 11 | daughter | — | New Jersey |
| 74 | Gertrude Noble | 66 | mother-in-law | H | England |
| 75 | Rhoda M. Ege | 76 | head | H | New Jersey |
| 76 | Cecil Smith | 46 | head | Assembler | New Jersey |
| 77 | A. Merlin Smith | 25 | son | Inspector | New Jersey |
| 78 | Calvin Hughes Smith | 16 | son | Delivery Boy | New Jersey |
| 79 | Dorothy J. Smith | 31 | daughter | Seamstress | New Jersey |
| 80 | Fred Briggman | 53 | head | Heating Engineer | Maryland |
Pedigree Summary
Donald
Gen 1 · 6 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)