On 5 June 1917, Jay Gould registered for the World War I draft, giving his full name as Jay Gould; age 27; residing at 602 S. Luzerne A, Balto, Md; born 19 November 1889; natural born citizen; born in Baltimore, Maryland; machinist for Southern Can Company of S. Wolfe Street; has a dependent wife; married; white; not a veteran; claims exemption because of wife; tall, medium build; blue eyes; brown hair; not bald; no disabilities. [World War I Draft Registration Cards Roll 1654043.]

1920 U.S. Census, Baltimore City, Maryland:
7th Ward, Enumeration District 93
Sheet 21B
Enumerated 22 January 1920
814 North Lakewood Avenue
Gould, Jay, head, owner, mortgaged, male, white, 30, married, can read and write, born in Maryland, father born in Massachusetts, mother born in Pennsylvania, speaks English, machinist in tin can company, wage worker
Gould, Irene, wife, female, white, 25, married, can read and write, born in Maryland, both parents born in Maryland, speaks English, no occupation
Gould, William, son, male, white, 2-1/4, single, born in Maryland, both parents born in Maryland, no occupation
Gould, Jay Jr., son, male, white, 2/12, single, born in Maryland, both parents born in Maryland, no occupation
Inglart, William, father-in-law, male, white, 53, married, can read and write, born in Maryland, both parents born in Maryland, speaks English, blacksmith in steel mill, wage worker
Inglart, Elizabeth, mother-in-law, female, white, 53, married, can read and write, married, both parents born in Germany, native tongue of both parents is German, speaks English, no occupation

1930 U.S. Census, Baltimore City, Maryland:
26th Ward, Block 62
Enumeration District 4-419, Supervisor’s District 4
Sheet 2B, Enumerated 2 April 1930
5106 Greenhill Avenue
Dwelling 24, Household 25
Gould, Jay, head, owner, $5,500 in real value, male, white, age 39, married at age 26, not in school, born in Maryland, both parents born in Maryland, occupation machinist in can company, at work previous day, not a veteran
Gould, Irene, wife, female, white, age 35, married at age 22, not in school, born in Maryland, both parents born in Maryland, no occupation
Gould, William, son, male, white, age 12, single, in school, born in Maryland, both parents born in Maryland, no occupation
Gould, Jay, son, male, white, age 10, single, in school, born in Maryland, both parents born in Maryland, no occupation
Gould, Irene, daughter, white, age 7, single, in school, born in Maryland, both parents born in Maryland, no occupation
Gould, Bessie, daughter, white, age 5, single, in school, born in Maryland, both parents born in Maryland, no occupation
Inglart, Elizabeth, mother-in-law, female, white, age 63, widowed, married at age 24, not in school, born in Maryland, both parents born in Germany, no occupation

1940 U.S. Census, Baltimore City, Maryland
26th Ward, Enumeration District 4-723, Sheet 2
5106 Greenhill Avenue
Household 35, owned, value $3,000, not on a farm
Gould, Jay, head, male, white, 50, married, not in school, highest level of education completed 7th grade, born in Maryland, lived in same house in 1935, at work week of March 24–30, worked 40 hours that week, machinist for wholesale can company, wage worker, worked 52 weeks in 1939, income in 1939 $1,456, no other sources of income
Gould, Irene, wife, female, white, 45, married, highest level of education completed 4 years of high school, born in Maryland, lived in same house in 1935, not at work, not seeking work, engaged in housework, no other sources of income
Gould, William, son, male, white, 22, single, not in school, highest level of education completed 2 years of high school, born in Maryland, lived in same house in 1935, at work week of March 24–30, worked 40 hours that week, machinist for wholesale can company, wage worker, worked 0 weeks in 1939, income in 1939 $0, no other sources of income
Gould, Jay Jr., son, male, white, 20, single, not in school, highest level of education completed 4 years of high school, born in Maryland, lived in same house in 1935, at work week of March 24–30, worked 40 hours that week, shipping clerk for wholesale cork[?] and seal[?} company, wage worker, worked 52 weeks in 1939, income in 1939 $570, no other sources of income
Gould, Irene, daughter, female, white, 17, single, not in school, highest level of education completed 3 years of high school, born in Maryland, lived in same house in 1935, not employed, seeking work, duration of unemployment 13 weeks, new worker, no other sources of income
Gould, Bessie, daughter, female, white, 15, single, in school, highest level of education completed 1 year of high school, born in Maryland, lived in same house in 1935, not at work, not seeking work, no other sources of income
Inglart, Elizabeth, mother-in-law, female, white, 74, widowed, not in school, highest level of education completed 8th grade, born in Maryland, lived in same house in 1935, not at work, not seeking work, unable to work, no other sources of income

On 26 April 1942, Jay Gould, Sr., registered for the World War II draft, giving his address as 5106 Greenhill Avenue, Baltimore, Maryland; no telephone; age 52; born 19 November 1889 in Baltimore, Maryland; person who will always know your address Irene Gould, wife, same address; employer Continental Can Co. of 3500 E. Biddle Street; race white; height 5’5-1/2”; weight 141; brown eyes; black and gray hair; ruddy complexion; scar on right cheek; scar on right leg between knee and ankle.

The 1956 Baltimore City Directory lists on page 542:
Gould Jay (Irene M) h5106 Greenhill av