לוּז Luz
Every verse in which this name stands — 8 places, in canonical order, first appearance to last. These are the occurrences our own corpus tags as this name, counting every form the text writes it in, which is the number on the list.
Strong's records this name for two places in Palestine. The name stands eight times in the Tanakh, first at Genesis 28:19 and last at Judges 1:26.
וַיִּקְרָא אֶת־שֵֽׁם־הַמָּקוֹם הַהוּא בֵּֽית־אֵל וְאוּלָם לוּז שֵׁם־הָעִיר לָרִאשֹׁנָֽה
And he called the name of that place Beth-el, but the name of the city was Luz at the first.
וַיָּבֹא יַעֲקֹב לוּזָה אֲשֶׁר בְּאֶרֶץ כְּנַעַן הִוא בֵּֽית־אֵל הוּא וְכָל־הָעָם אֲשֶׁר־עִמּֽוֹ
So Jacob came to Luz, which is in the land of Canaan—the same is Beth-el—he and all the people that were with him.
וַיֹּאמֶר יַעֲקֹב אֶל־יוֹסֵף אֵל שַׁדַּי נִרְאָֽה־אֵלַי בְּלוּז בְּאֶרֶץ כְּנָעַן וַיְבָרֶךְ אֹתִֽי
And Jacob said unto Joseph: ‘God Almighty appeared unto me at Luz in the land of Canaan, and blessed me,
וְיָצָא מִבֵּֽית־אֵל לוּזָה וְעָבַר אֶל־גְּבוּל הָאַרְכִּי עֲטָרֽוֹת
And it went out from Beth-el-luz, and passed along unto the border of the Archites to Ataroth.
וְעָבַר מִשָּׁם הַגְּבוּל לוּזָה אֶל־כֶּתֶף לוּזָה נֶגְבָּה הִיא בֵּֽית־אֵל וְיָרַד הַגְּבוּל עַטְרוֹת אַדָּר עַל־הָהָר אֲשֶׁר מִנֶּגֶב לְבֵית־חֹרוֹן תַּחְתּֽוֹן
And the border passed along from thence to Luz, to the side of Luz—the same is Beth-el—southward; and the border went down to Atroth-addar, by the mountain that lieth on the south of Beth-horon the nether.
וְעָבַר מִשָּׁם הַגְּבוּל לוּזָה אֶל־כֶּתֶף לוּזָה נֶגְבָּה הִיא בֵּֽית־אֵל וְיָרַד הַגְּבוּל עַטְרוֹת אַדָּר עַל־הָהָר אֲשֶׁר מִנֶּגֶב לְבֵית־חֹרוֹן תַּחְתּֽוֹן
And the border passed along from thence to Luz, to the side of Luz—the same is Beth-el—southward; and the border went down to Atroth-addar, by the mountain that lieth on the south of Beth-horon the nether.
וַיָּתִירוּ בֵית־יוֹסֵף בְּבֵֽית־אֵל וְשֵׁם־הָעִיר לְפָנִים לֽוּז
And the house of Joseph sent to spy out Beth-el—now the name of the city beforetime was Luz.
וַיֵּלֶךְ הָאִישׁ אֶרֶץ הַחִתִּים וַיִּבֶן עִיר וַיִּקְרָא שְׁמָהּ לוּז הוּא שְׁמָהּ עַד הַיּוֹם הַזֶּֽה
And the man went into the land of the Hittites, and built a city, and called the name thereof Luz, which is the name thereof unto this day.
Quick answers
What is the gematria of Luz?
Luz — לוזה in Hebrew — has a gematria of 48 in the standard method.
How many times is Luz named in the Tanakh?
8 times, first at Genesis 28:19.
A spelling is not a name. The written word לוזה stands 4 times in the corpus, which is a different question and often a different number: the same letters can spell another name or an ordinary word, and a name written with a particle attached is a word that search never returns. It is here, as itself.
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