Around the world, John Robert (John Robert 
) is quite a common male first name. The forename John Robert is characteristic of Aland Islands, where it is quite a common male name, Philippines, where it is quite a rare male name, and Peru. Measured by absolute frequency, it is commonest in Philippines, Peru, and Chile. Much less frequently, John Robert is the last name as well as the forename.
| VARIANT | COUNTRY |
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| John Robert | Australia, Ecuador, Peru, Chile, Philippines |
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john robert seeley British historian, GB (b. 1834) |
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| john robert pryse Welsh poet, called Golyddan, GB (b. 1840) |
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| john robert kemp (1883-1955) engineer and public servant (b. 1883) |
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| john robert nicholson Canadian politician (1901-1983), CA (b. 1901) |
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| john robert brucato Italian astrobiologist, IT |
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Cox, Marquez, Mercado, Mendoza, Sanchez, Salazar, Angeles, Arevalo, Barnett, Brigleb, Pascual, Ramirez, Gardner, Morrison, Castillo, Bautista, Gonzales, Tauschke, Tremayne, Valencia, Rodriguez, Dela Cruz, Watson, Ortega, Flores, Ferrer, Lim, Tan, Cruz, Boyd, Diaz, Long, Wood, Smith, Biggs, Perez, Fernandez, Ramos, Thorp, Hrabe, Manalo, Moreno, Santos, Acosta, Castro, Rivera, Garcia, Torres, Reyes, and Del Rosario