Seeking any information on my paternal ancestral line. My grandfather, Francisco Montanez (1904-1993), moved to NYC area from San Juan after a number of years with merchant marine. I have a few manifests with him listed as crew.

From US Census 1920 for Puerta Detierre, San Juan
Callende San Augustin No. 9

Montanez y Rosario, Sinforoso Head 45 Male Mulatto Married Dock Laborer
Oquendo de Montanez, Venancia Wife 28 Female Mulatto 28 Married
Montanez, Francisco Stepson Male Mulatto 15 Single Day Laborer

From US Census 1910 for Palo Seco, San Juan
Calle de Manuel Enrique

Montanez y Rosario, Sinforoso Head 34 Male Mulatto Single
Montanez, Juana Daughter 12
Montanez, Lucas Daughter 11
Montanez, Luis Son 4
Montanez, Galletano Son 2
Rosario y Ortiz, Wenceslao Brother 19