Of Salt Lake City in 1948.

Birth Certificate
Donald Cope Sudbury, born September 20 1920, 2283 South 8th East, Salt Lake City, Salt Lake County
Father Reuben Clement Sudbury, age 38,born Salt Lake City, Utah, electrician D & R G R R Depot
Mother’s maiden name Della [Adelphine is crossed out] Cope, age 36, born Salt Lake City, housewife

1930 US Census
3440 South 13th East Street, Precinct 3, Salt Lake County Utah
Head Clement R. Sudbury, age 48, married 26 years,, born Utah, father born England, mother born Germany, salesman, paint store
Wife Della C. Sudbury, age 44, married 23 years, born Utah, parents born England,
Daughter Grace C. Sudbury, age 21, single, born Utah, parents born Utah, operator - telephone exchange
Daughter Leah C. Sudbury, age 19, born Utah, parents born Utah, operator -telephone exchange
Son Earl C. Sudbury, age 16, born Utah
Son John C. Sudbury, age 15, born Utah
Son Paul C. Sudbury, age 13, born Utah
Daughter Lucile C. Sudbury, age 11, born Utah
Son Donald C. Sudbury, age 9 born Utah
Daughter Frances Sudbury, age 6, born Utah

1940 US Census
3440 South 13th East, Precint 3, Salt Lake County
Head R. Clement Sudbury, age 59, born Utah, salesman - buys and sells vegetables
Wife Della C. Sudbury, age 56, born Utah
Daughter Lea Sudbury, age 29, single, telephone operator - telephone company
Son Paul Sudbury, age 23, single, born Utah, machinist
Son Donald Sudbury, age 19, single, salesman - buys and sells?????
Daughter Frances Sudbury, age 16, single