It started from a comment on one of the blogs I follow, which referred to "Parry Primary". The blog, Good Morning Yesterday, is about life in Singapore in the 1950s & 60s, so I promptly searched Google for "Parry Primary, Singapore".
The map image says it all really:
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It must be a headache for postal deliveries - especially if people fail to address letters correctly!
I'd love to know how this naming came about.