Saint Vincent and the Grenadines

(1) Every person who, having been born in Saint Vincent, is immediately before the commencement of this Constitution a citizen of the United Kingdom and Colonies shall become a citizen at such commencement.
(2) Every person who, immediately before the commencement of this Constitution, is a citizen of the United Kingdom and Colonies
a. having become such a citizen under the British Nationality Act 1948 (a) by virtue of this having been naturalized in Saint Vincent as a British subject before that Act came into force; or
b. having while resident in Saint Vincent become such a citizen by virtue of his having been naturalized or registered under that Act, shall become a citizen at such commencement.
(3) Every person who, having been born outside Saint Vincent, is immediately before the commencement of this Constitution a citizen of the United Kingdom and Colonies shall, if his father or mother becomes, or would but for his death or the renunciation of his citizenship of the United Kingdom and Colonies have become, a citizen by virtue of subsection (1) or subsection (2) of this section, become a citizen at such commencement.
(4) Every woman who, having been married to a person who becomes, or but for his death or the renunciation of his citizenship of the United Kingdom and Colonies would have become, a citizen by virtue of subsection (1), (2) or (3) of this section, is a citizen of the United Kingdom and Colonies immediately before the commencement of this Constitution shall become a citizen at such commencement. (Sec. 90)

Every person born in Saint Vincent after the commencement of this Constitution shall become a citizen at the date of his birth: Provided that a person shall not become a citizen by virtue of this section if at the time of his birth-
a. neither of his parents is a citizen of Saint Vincent and his father or mother possesses such immunity from suit and legal process as is accorded to the envoy of a foreign sovereign power accredited to Saint Vincent; or
b. his father is a citizen of a country with which Saint Vincent is at war and the birth occurs in a place then under occupation by that country. (Sec. 91)

A person born outside Saint Vincent after the commencement of this Constitution shall become a citizen at the date of his birth if, at that date, his father or mother is a citizen otherwise than by virtue of this section or section 90(3) of this Constitution. (Sec. 92)

(1) The following persons shall be entitled, upon making application, to be registered as citizens--
a. any woman who is married to a citizen or who has been married to a person who, at any time during the period during which they were married to each other, was a citizen;
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e. any woman who is married to any such person as is mentioned in paragraph (b), (c) or d. of this subsection or who was married to a person who, at any time during the period during which they were married to each other, was entitled to be registered as a citizen under any such paragraph;
...
f. any woman who, before the commencement of this Constitution, has been married to a person—
i) who becomes a citizen by virtue of section 90 of this Constitution; or
ii) who, having died before such commencement, would but for his death have become a citizen by virtue of that section,
(2) The following persons shall be entitled, upon making application, to be registered as citizens—
a. any man who is married to a citizen or who has been married to a person who, at any time during the period during which they were married to each other, was a citizen;
b. any person who, being a Commonwealth citizen, is and for seven years previous to his application has been ordinarily resident in Saint Vincent;
c. any man who is married to any such person as is mentioned in paragraph (b), (c) or (d) of subsection (1) of this section or who was married to a person who, at any time during the period during which they were married to each other, was entitled to apply to be registered as a citizen under any such paragraph;
d. any person under the age of twenty-one years who is the stepchild or child adopted in a manner recognised by law of a citizen or is the child, stepchild or child so adopted of a person who is or would but for his death have been entitled to be registered as a citizen under subsection (1) of this section:
Provided that if it is so provided by Parliament an application for registration as a citizen under this subsection may, in such circumstances as may be prescribed by Parliament in the interests of defence, public safety or public order, be refused by the Minister responsible for the matter in any case in which he is satisfied that there are reasonable grounds for refusing the application.
(3) An application under this section shall be made in such manner as may be prescribed, as respects that application, by or under a law enacted by Parliament and, in the case of a person to whom subsection (2) (d) of this section applies, it shall be made on his behalf by his parent or guardian:
Provided that, if any such person is or has been married, he may make the application himself.
… (Sec. 93)

There shall be such provisions as may be made by Parliament for-
a. the acquisition of citizenship by persons who are not eligible or who are no longer eligible to become citizens under the provisions of this Chapter²:
b. depriving of his citizenship any person who is a citizen otherwise than by virtue of section 90, 91 or 92 of this Constitution;
c. the renunciation by any person of his citizenship. (Sec. 94)

(1) In this Chapter-
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"father" in relation to a child born out of wedlock and not legitimated includes a person who acknowledges and can show that he is the father of the child.
… (Sec. 95)