Luckily, there are almost complete dictionaries on several wikis, so I got to translate most of the walls I transcribed during my playthroughs. 3-4 might be missing, though.
HET NOK FAAL VAHLOK
DeiNMaaR DO DOVahGOLZ
ahRK aaN FUS DO UNSLaaD
RahGOL ahRK VULOM
Here lies the guardian
keep terror (?) of dragonstone
and a force of unending
rage and darkness.
HET NOK KOPRaaN DO
IGLIF iiZ-SOS WO GRIND OK OBLaaN
NI KO MOROKei VUKeIN NUZ ahST
MUNAX HaaLVUT DO LiiV KRASaaR
Here lies (the) body of
Iglif Ice-Blood who met his end
not in glorious combat, but at
(the) cruel touch of withering sickness
HET NOK KOPRaaN DO
WYNJULF FaaL WULD WEN
ViiNTaaS TUZ Vey ZeiM LahVU
DO RahGROL OGiiM
Here lies (the) body of
Wynjulf the Whirlwind whose
shining blade cut through armies
of raging Orcs.
Pah WERID SONaaN LUNERIO
WEN YUVON LOVaaS MeyZ
FO HET KO VULON
All praise Bard Lunerio
whose golden music became
frost here in night.
QETHSEGOL VahRUKIV Key
SARVIRRA ZOK KRIN RaaN
ALUN Wah FONaaR ODUS FROD
ahRK OFAN OK SIL Fah OK DROG
(This) stone commemorates (the) horse
Sarvirra, most courageous animal
ever to charge (the) snowy battlefield
and give his soul for his lord.
NONVUL BRON DahMaan DaaR ROT FIN
FODiiZ BORMah-Nii LOS HeyV DO ENOOK
MUN WaH LahNey VOTH ahKRIN ahRK ZIN
LEH ROK FeiM VODahMIN KOTIN VULOM
Noble Nords remember these words (of) the
hoar father-Nii is duty of each
man to live with courage and honor
lest he fades forgotten(?) into darkness.
NONVUL BRON DahMaaN DaaR
ROT DO FIN FODiiZ BORMah
PRUZaaN ZUN KO KeiZaaL LOS
HahDRIM DO DWiiN-SIL KENDOV
Noble Nords remember this
word of the hoar father:
best weapon of Skyrim is
(the) mind of steel-soul warrior.
HET NOK FJOLDMOD BeiN-SU WO
PooK OL POGaaS NAU GOL OL
OK KOPRaaN DREH NU KO GOLT
Here lies Fjoldmod Foul-Air who
stank as much on earth as
his body does now in (the) ground.
HET NOK BRIT KaaZ ANURASSA
WEN FaaD NIS KOS EVENaaR
ORIN NaaL KRah DINOK
Here lies (the) beautiful Khajiit Anurassa
whose warmth cannot be extinguished
even by cold death.
VEGUNTHAR WahLaan QETHSEGOL
BORMahIL VahRUKT HUNGUNTHAR
TiiD NaaK KRIaaN SE
JUNNESEJER KRONiiD SE DUNKREATH
Vegunthar raised (this) stone
fatherIL (?) stone Hungunthar
time eats KRIaaN SE
Kings of the East, conquerors of Dunkreath.
HET Mah SahROT
KONahRIK aaBAN
KiiN SE KLO SE ALIKR
PRaaN NU DENEK KeiZaaL
Here fell mighty
KONahRIK aaBAN
child SE sands SE Alikr
rest now soil Skyrim.
NAU DaaR REVAK GOLT DReY FREDA
ZahRahMiiK EK LaaS FUL TOL EK
POGaaN KiiR FILOK ahRK OSOS
SUL QahNaaR EK HOKORON
On this sacred ground did Freda
sacrifice her life so that her
many children escaped and some
day vanquish her enemies.
NONVUL BRON DahMaaN DaaR ROT DO
FIN FODiiZ BORMah Vah Krii KO
MOROKei KeIN LOS Wah ZIN GeINMaaR Wah DIR
KO MOROKEI KeIN LOS Wah ZIN Pah DO KeiZaaL
Noble Nords remember these words of
the hoar father: To kill in
glorious war is to honor onself, to die
in glorious war is to honor all of Skyrim.
QETHSEGOL VaHRUKIV KiiR
JUN JAFNHAR WO LOS AG
NahLaaS NaaL YOL DO
LOT DOVah LODUNOST
This commemorates (the) child
king Jafnhar who was burned
alive by (the) fire of
(the) great dragon Lodunost.
NONVUL BRON DahMaaN DaaR ROT DO FIN
FODiiZ BORMaH FaaS NI BRENDON DO
DINOK Fah ROK LOS QOLaaS DO MORO
ahRK HIN aaK WaH LOT SOVNGARDE
Noble Nords remember these words from the
hoar father: Fear not (the) specter of
death, for he is (the) herald of glory
and your guide to great Sovngarde.
BROTHI WahLaaN QETHSEGOL KUL
VahRUKT ODRAV KeyN-HaaL
DRUN POGaaS ZIN Wah
BROD SahQO-STRUNMah
Brothi raised (this) stone in memory of his son
Odrav Anvil-Hand
bring much honor to
Clan Red-Mountain
ahRK OND DRey SahROT
HEIMVERLUND MeyZ NOL HEVNO
BROM MED STRUN DO UZNahGaaR
NahKRiiN NOL SOVNGARDE NIMaaR
And lo did mighty
Heimverlund come from (the) brutal
north like (the) storm of unbridled
vengeance from Sovngarde itself.
WULFIN WahLaaN QETHSEGOL JUDii
VahRUKT HREFNA RUVaaK-OM
WEN MiiN DiiN SOS
DO Naan JUL
Wulfin raised (this) stone in memory of his JUDii
Hrefna Raven-Hair
whose eyes froze (the) blood
of any king.
LAKNIR MAL-TU WahLaan QETHSEGOL
aaRii VahRUKT BONaaR VAKEEZA
WO VaaT Mir Wah JUN DO KeiZaaL
ahRK Dir KO SADON GRAVu’uN
Laknir Little-Hammer raised (this) stone
in memory of his aaRii, humble Vakeeza,
who swore allegiance to (the) kings of Skyrim
and died in Gray Autumn.
HET NOK KOPRaaN DO HELA
FahDON Wah Pah SIVaaS
aaR DO KaaN aaL REK SiiV UNahZaaL
PRaaN KO FeyKRO DO HahNU
Here lies (the) body of Hela,
friend to all beasts,
servant of Kyne. May she find
rest in FeyKRO of dreams.
HET Mah TahRODiiS TAFiiR
SKORJI LUN-SINAK WEN KLOV
GOVey NaaL RINIK HahKUN ROK
TOGaaT WaH GahROT
Here fell (the) treacherous thief
Skorji Leech-Fingers, whose head
(was) removed by (the) very axe he
tried to steal.
HET Mah HROTHMAR Bah GROHiiK
DO BRUNiiK PINDaaR aaL OK SIL
ROVaaN SOVNGARDE MahFAERaaK
Here fell Hrothmar wrath wolf
of savage plains. May his soul
wander Sovngarde forever.
BEKHILD WahLaan QETHSEGOL
ahMULii VahRUKT BYOLJ WEN
WeySUN LOS SIZaaN KO VUL
KEST KO OKaaZ DO LUV
Bekhild raised (this) stone
in memory of her husband Byoli, whose
ship was lost in (the) dark
tempest in (the) sea of tears.
NAFNI WahLaan QETHSEGOL BORMahii
VahRUKT ROGNVALD WEN Zii FEN
MahFAERaaK aaK OK BROD
ahRK FOLooK OK HEKORON
Nafni raised (this) stone
in memory of his father Rognvald, whose spirit will
forever guide his clan
and haunt his enemies.
HET NOK YNGNAVAR GaaF-KODaaV
WO DRey Yah MORO NAU FROD
DO KROSIS NUZ SINON
SiiV DINOK ahRK DUKaaN
Here lies Yngnavar Ghost-Bear
who did seek glory on (the) battlefield
of sorrow, but instead
found death and dishonor.
HET NOK KOPRaaN DO SONaaN
ROMERIUS WO UNT RU NOL OSOS
GOGIL NUZ MOTMah
Here lies (the) body of (the) bard
Romerius, who tried (to) run from some
Goblins but slipped.
NONVUL BRON DahMaaN DaaR ROT DO
FIN FODiiZ BORMah-ORIN PRUZaaN DWiiN
aaL KREH ahRK KREN NUZ SLEN DO
VahZah MUZ LOS SINDUGahVON
Noble Nords remember these words of
the hoar father: Even best steel
may bend and break, but flesh of
true men is SINDUGahVON.
NONVUL BRON DahMaaN DaaR ROT
DO FIN FODiiZ BORMah DRaaL
NI Fah DREM Fah GRIK LOS
HIND DO SahLO ahRK NIVahRiiN
Noble Nords remember these words
of the hoar father: Pray
not for peace, for such is
(the) wish of (the) weak and cowardly.
HET Dir BRUNiiK REK-GROHiiK
ULFeiDR KRiiD MUZ ahRK SUNAVaaR
BRUNiiK KINBOK SahQON Tah
Here died (the) savage She-Wolf
Ulfeidr slayer (of) men and beast,
Savage leader (of the) Crimson Pack.
HET NOK BeIN NahGahDINOK
AZARAN FaaL MUNAX WO UNT
Wah GRON KRILOT DILON DO
SOVNGARDE Wah LeiN DO JUL ahRK FUNT
Here lies foul Necromancer
Azaran the Cruel, who tried
to bind (the) valiant dead of
Sovngarde to (the) world of kings and failed.
QETHSEGOL VahRUKIV KRIL
THJODREK WO Dir ZOHUN-GaaR
KO GRah DO VITH OKaaZ
(This) stone commemorates (the) brave
Thjodrek who died heroically
in the battle of the Serpent Sea.
QETHSEGOL VahRUKIV PaaZ
KULaaS YRSA WO ENSOSIN
Pah DO TaaZOKaaN VOTH
EK DUN ahRK BRii
(This) stone commemorates (the) fair
Princess Yrsa who bewitched
all of Tamriel with
her grace and beauty.
HET Mah SPaaN VahDIN VALKRYS
WO KRIF VOTH ahKRIN NUZ
LOS FOLaaS Vah OV MULaaG
DO BODiiS TUZ
Here fell shield maiden Valkrys
who fought with courage, but
was wrong to trust (the) power
of (a) borrowed sword.
HET Mah FaaSNU RONaaN
UNDVELD aaR
KriiD GROHiiK ahRK DROG
DO LOT Nir
Here fell (the) fearless archer
Undveld, servant
slayer wolf and lord
of great hunt.
HET Mah HERFODR
SHUL-KRiiD SahROT
KONahRIK DO LUMNaaR
DO KRENT HahNU
Here fell Herfordr
Sun-Slayer, mighty
warlord of (the) valley
of broken dreams.
MODIR FIN GUT WahLaaN QETHSEGOL
ZeyMahii VahRUKT OSKAR
Fin Mey WEN ZUL LOS SahLO ahRK
NI SahROT THu’uM DO OK BROD
Modir the Far raised (this) stone
in memory of his brother Oskar,
the fool whose voice was weak and
not (the) mighty Thu’um of his clan.
QETHSEGOL VahRUKIV SahSUNaaR
DO DaaNIK VUNDEHeiM AG
NahLaaS NaaL QO DO
UNSLaaD KROSIS
(This) Stone commemorates (the) villagers
of doomed Vundeheim, burned
alive by lightning of
unending sorrow.
QETHSEGOL VahRUKIV DaaNIK
FahLiiL KiiR DO GRAVu’uN FROD
WO BOVUL KO MaaR NOL KINZON
ZahKRii DO KRUZiiK HOKORON
(This) stone commemorates the doomed
elf-children of Autumn Fields,
who fled in terror from (the) sharp
swords of ancient enemies.
It's far from perfect, but it should give a rough idea about the occasion.
